Thursday, October 31, 2019

Article review on war affairs relating to foreign policy

Review on war affairs relating to foreign policy - Article Example This is because of the Budapest Memorandum, as a foreign policy pact for Ukraine to cease the world’s third largest nuclear potential in exchange for peace, but Russia one of the countries that vowed to provide peace is taking it away. Foreign policy development should be in a position to address such backstabbing in future policy agreements. Foreign policy development also hinged on the article’s theory is to ensure the effectiveness of economic sanctions in deterring evil as demonstrated by the inversion of Russia and threat to use nuclear weapons. This is a deviance from previous foreign policy agreements resulting in the need to develop policy to respond to this theoretical issue presented in the article. The other development of foreign policy analysis evident from the theory in the article is the need for the development of proactive and not reactive foreign policies to guard against foreign aggression evidenced by Russia’s inversion of Ukraine. The arguments in the article are persuasive, for example, the argument for the need to prevent the use of nuclear weapons by Russia as this will result in China and Korea following suit. The realization that the agreement for use of nuclear weapons for defensive use only by Russia will make these other countries follow the same to intimidate and pursue their own selfish interests not regarding the impact on other economies. The other argument in the article is breaking of the treaty outlawing the use and testing of cruise and ballistic missiles ranging between 300 and 3400 miles that form the main foundation of the postwar peace. The argument is persuasive because Russia began withdrawing from the treaty t cruise and ballistic missiles of 300 to 3400 ranges showing that the argument holds some ground. The other ground for the argument to be true is that since 2008, Russia has been testing cruise and ballistic missiles of the ranges disallowed by the treaty. I would critic the

Tuesday, October 29, 2019

Business Proposal for Photo Rental Equipment Company Assignment

Business Proposal for Photo Rental Equipment Company - Assignment Example mpany that aims to provide a digital platform, both web and app, from which travellers across the globe would locate and rent their desired photography equipment. In addition, renters may use the same platform to increase the market visibility of their products. The renter places their products in the platform and the travellers then selects a product based on their specification and location. The main goal of the company is to increase the ease at which the photography rental equipment industry is keen to administer the needs of the regular traveller. The company recognizes that the regular traveler relies heavily on the abilities of their mobile phones to access basic travel amenities. For this reason, the creation of a website and an application provides the ease at which the traveller may access photography rental services. This is the mission shared by the organization as it strives to increase its online presence for the use of travellers across the globe. Revenue sources for the company are directly linked to the web platform created. Majorly, both the user and the renter that uses the digital platform pay a commission to the company. The users are required to pay a higher commission to the company than the renter. Other revenues sources from the venture include the provision of a marketing prospect for business in the field. For instances, tourism hotspots may use the digital platform to market their products and services. The success of the company is based on the creation of stages for the market introduction, penetration and dominance. After creation of the product the product would go through the first stage of the website creation. The website would then be marketed in New York City. The second stage sees the expansion of the product to the city of Chicago and Miami. The two stages rely massively in the use and maximization on the marketing opportunities provided by giant social networks of Facebook, Twitter, Instagram and YouTube. The other stage

Sunday, October 27, 2019

Studying the role of leadership management

Studying the role of leadership management According to Bennis and Nanus (1985, p. 20), leadership is referred as the most studied and least understood topic of any in the social sciences. There are more than 100 definitions of leadership having been identified in literature (Rost, 1991), and Stogdill (1974) even suggests that the definitions of leadership are as many as people who have ever tried to define it. However, there is neither any unanimously accepted definition of leadership, nor any consensus on the best way to train leaders (Bolden, 2004). Gallie (1955, cited in Grint, 2004, p. 1) defines leadership as, Leadership appears to be, like power, an essentially contested concept', whereas Bennis and Nanus (1985, p. 20) describes leadership as the abominable snowman, whose footprints are everywhere but who is nowhere to be seen. To summarise, the meaning of leadership is complex and includes many dimensions and it addresses many other key business/corporate, organisational, socio-cultural and personal processes. In mode rn days, it is generally popularised among commentators that charisma, inspiration, trust and consensus have been increasingly associated with leadership, but the author tends to advise they are necessary conditions for successful leadership in most situations, and there are circumstances, where other determinants are needed. Various Schools of Thoughts about Modern-day Leadership In 21st century the concepts of leadership and its definition are becoming more diversified according to various schools of thoughts. Peters (1993, p.19), explains the modern-day leadership as, Crucial to the revolution now under way so crucial that we believe the words managing and management should be discarded. Drucker (1992, p.119), having a similar point as Peters, identifies modern-day leadership as, Mundane, unromantic and boring. Its essence is performance, though Bolden (2004) is not in the favour of differentiating the details of the leadership from the management. What is more, as noted in the Jack Welchs example, General Electric Company progresses many folds in few years and the basis of this success is a candid, lucid and set guideline for a linear and prolific organization (Slater, 2003). Last but not least, Peter Scholtes (1998) leadership concentrates on systems thinking, and his opinions include leading by objectives, merit pay, performance appraisals, motivation, etc. According to Collinson (2005), followership is the essence of leadership, which means that modern-day leadership styles should be according to the personality and characteristics of the followers. The author understands from these different views that in the 21st century leadership styles, there is no one monotonous leading style in the organizations. Charisma in Modern-day Leadership Charisma is an advantage that promotes modern-day leadership performances, but it is not essential (Carpenter, 2002). Max Weber (1947) firstly defines that charisma differing leaders from ordinary people refers to special gifted magnetic charm and appeal; it gives leaders the capacity to do extraordinary things, and in particular it gives the leader exceptional powers of influence to followers. Scholars further suggest that charismatic leaders often serve as a strong role model for values that they desire others to adopt, show competence in every aspect of leadership so others trust his or her decisions, articulate clear goals and strong values, communicate high expectations for followers and show confidence in their abilities to meet those expectations (Conger, 1989; House, 1977; Shamir et al., 1993). Charismatic leaders are having deep impact on followers value, attitude and behavior, and it is suggested charisma is an important leadership attribute that motivates followers (Ilies et al., 2006). Leaders with charismatic personalities can get things done through attracting the subordinates to achieve the organisational goals more effectively, as people feel encouraged to be more devoted to their work, as a result of their admiration and respect to their leaders (Mortensen, 2008). Bill Clinton and Steve Jobs are both typical charismatic leaders. With overwhelming personal charm and vision, they successfully create their era. However, Ciulla (2004) suggests that basis of the leadership is ethics like earned trust not the charm. Tyler (2008) also advises people are lead because of their trust to the leaders, not charisma. Furthermore, it is generally agreed that leadership is ability and a skill which could be learnt over time and with the experience and maturity (Mumford et al., 2000); leaders are made not born, and charisma could be developed (Adair, 2005). Yet, Howell and Shamir (2005) also figure out that characteristics of followers sometimes determine the e fficiency of charismatic leadership. There is no denying of the importance of charisma for the leaders in the present-day leadership styles. Charisma is the capability to project the vision and thoughts regarding what the future prospects will hold upon others to bring a positive transform or change. In the light of this discussion, author understands that charisma is increasingly associated with modern-day leadership, and with the concern of other factors like the element of trust and follower, leadership in the modern-day organisations becomes more effective. The Inspirational Approach in Modern-day Leadership Inspirational leaders could positively motivate and influence people to get the best out of themselves, and accordingly pursue a far better performance of the organization (Wilson, 2010). Wilson and Rice (2004) also state that inspirational leaders are able to encourage, grow, and build up confidence of followers, through which modern organizations could benefit higher performance, even facing adversity. Robbins et al. (2010) suggest that charismatic leadership is the most common style of inspirational approach to leadership. The most striking element of the charismatic leadership is the ability to inspire astonishing performance from the followers and the team. It is also revealed that inspiration is a tactic to influence others and is associated with the research conducted by Yukl and Falbe (1990). The concept is that the leader makes a request or proposal that arouses enthusiasm by appealing to peoples values, ideals and aspirations or by increasing their confidence that they can do it. However, leaders are starting to inspire and motivate followers to perform, once trust is built up (Zeffane, 2010). Scholars claims that there are factors stimulating inspira tion, like a vision, which tells followers what they are expected to achieve and which they could always hold on (Scott, 2010). Other factors include involvement of everyone (Bilchik, 2001; Wilson, 2010), and the courage to admit personal weakness (Goffee and Jones, 2000) and so forth. Yukl and Falbe (1990) also conclude that leaders are most likely to use inspirational appeal and pressure when trying to influence subordinates, rather than their boss, or colleagues. In short, people are inspired to enthusiastically perform as well as they could, and ultimately succeed in achieving better organisational performance. Consensus and Modern-day Leadership With more and more emphasis on democracy, modern-day leadership is being increasingly associated with the consensus element in the decision making in the business organizations. Early experiments and research of Lewin et al. (1939) indicates that people are performing better, if they have been involved in the decision-making process. They also suggest leadership style to a large degree determine the performance of the group and they have categorized leadership into three styles: authoritarian, democratic and laissez faire leadership, among which democratic leadership is generally regarded as the more effective style. Consensus plays a very important role in democratic leadership, as members are encouraged to participate in the decision-making process and involved in the final decision and the agreement (Knight et al., 1999). Hence, with the support to the decision, people are better motivated and likely to perform better that they have been expected to (Brilhart and Galanes, 1989). M oreover, consensus in leadership stimulates team cohesiveness, with which members cooperate more with each other (Sanders and Schyns, 2006). It is also stated effective strategic leaders understand the necessity to involve team members in consensus decision making (Brilhart and Galanes, 1989). Besides, Felfe and Heinitz (2010) conclude that consensus not only largely predicts members commitments and their satisfaction, but also enhance organisational performance and leadership. Yet, Frisch (2008) argues a team cant make effective decisions if its members dont trust one another or if they fail to listen to one another. Therefore, before adopting consensus decision-making process, it is important that trust has been built up among members. It should not be neglected the decision-making ability of members in consensus process, as well as the fact that there are times authoritarian leaders work more effectively, especially facing risks and opportunities, as at least authoritarian leader ship is far less time-consuming (Lewin et al., 1939), and not everyone has the ability to tell and seize opportunities. Steve Jobs to some degree is an authoritarian leader, as no matter what other say and do, he insists that Apple should do its software and hardware all by itself even in such an open world day, as they know themselves best. It appears that Steve Jobs and his way is the path to the success of Apple. It would still appear consensus in modern-day leadership helps to sustain decisions, and to succeed a strategic leader needs to build the consensus. Trust Element in Modern-day Leadership As previously discussed, trust is shown as the basis of no matter charismatic, consensus or inspirational leadership. The importance of trust in modern organizations is widely recognized (Clegg et al., 2002), and it is increasingly important for leaders to arouse trust and faith to motivate the followers in modern organizations (Robbins et al., 2010). Martin (1998) defines trust leadership as, Leadership that is born and kept alive by the follower trust is trust leadership. According to him, followers attitudes are created by the leaders in the modern-day organisations. This allows the followers to trust the leader and trust is at the root of the leadership. Leadership is meant very little without the trust and vice versa. George Washington, Abraham Lincoln, Martin Luther King Jr. are some of the examples from the recent history who have innate abilities to influence the followers by appealing to their values and earning the trust. These values include trust, respect, equality and freedom and are present in the modern-day followers, too. The values practiced in the past can be duplicated and practiced today and applied to the workplaces (Martin, 1998). Attitudes determine responses, so effective leaders understand that employees attitudes are very important in achieving goals of the company. To build the trust, leaders influence employees by tapping into their values and thus a positive behavior and attitude is encouraged in both the leader and the follower. Thus, as Matthews (2010) suggests that trust is the basis to heighten and achieve productivity and profitability in modern-day businesses in addition to aligning the organisational values with the employees values. Vadell (2008) also describes the trust as the leading concept in the organisational commitment, which could be exemplified by his research about United States Air Force Officers commitment and intention to leave the military. On the other hand, leaders trust in subordinates benefits themselves in delegating power to subordinates (Leana, 1986), by which subordinates would be further motivated. Likewise, Greenberg (2009) indicates innovation more than often comes from taking risks, while trust is key determinant to inspire people to take risks; for example, Google employees are trusted to have one day a week to do whatever interests them, which gives birth to innovations like Gmail. The author understands that in the modern-day organisations and leadership styles, mutual trust between leaders and subordinates helps develop the commitment among the followers and this commitment element establish the truthfulness of the charismatic leadership style. Increasing Association of Charisma, Trust, Inspiration and Consensus with the Modern-day Leadership Theories Literature reveals charisma, trust, inspiration and consensus are all important factors of transformational leadership, which elevate followers well-being (Gillespie and Mann, 2004; Khatri, 2005; Nielsen and Munir, 2009; Liu et al., 2010; Felfe and Heinitz, 2010). Bass (1985) suggests that transformational leadership theory results into growth and empowerment of the followers, and Howell (1988) believes transformational leadership style develops dependency among the followers on the leader. This means that followers motivation, self respect and esteem all are dependent on the positive feedback and recognition from the leader. Richard Branson could well exemplify modern-day transformational leadership. In Virgin empire the individual personality of Branson is stamped all through the organization, and his values and goals derive and infuse every corner of the corporation. Charismatic transformational leaders like Branson are capable to achieve their impact by the creation of followers who personally identify with this style as well as with the work group they are with (Yukl, 1989). Conger and Kanungo (1998) suggest that the personal attachment and identification with the leaders is because of leaders charismatic style and approach and is based on referent power. Similarly, Shamir et al. (1993) suggest that role model behaviour is one main method with which leaders influence the followers. The older leadership styles such as contingency models of Fiedler (1967), Vroom and Yetton (1973) and Yukl (1989) have main focus on the identification of the leadership styles which predicts effective results depending on situational contingencies. But these theories could not advise for a continuous changing environment and circumstances. One of concepts recognised by most scholars as accurately reflecting what it is to be a leader is leadership is a trait (Rost, 1991). Stogdill (1974) studied some leadership qualities in traits that appeared more often than others, like sense of responsibility, self-confidence and emphasis on task competition. However, Shaw (1976) and Fraser (1978) identifies that leaders usually attain above average scores for the traits like motivation, ability and sociability. Rost (1991) suggests that according to the trait theory people are either born or not born with the leadership qualities that help them succeed in the leading roles. Inherited qualities for example the personality and cognitive ability are basis of the effective leadership. Author feels that sometimes traits are built or developed within the leaders. Richard Branson was not very sociable in his school life, but he has made himself the face of Virgin Group by participating in the shocking promotional and publicity stunts to g ain attention. Therefore, personality and traits are core part of modern-day leadership, but accordance to needs and wants of the business become the more rife drivers of the behavior. Modern-day leadership styles are more associated with the mix of charisma and trust to inspire the followers. Influence of Cultural Differences on Modern-day Leadership In modern days, more and more researches are focused on leaders/leadership in the context of globalization, that is global leaders/leadership (Mendenhall et al., 2008). It is also indicated despite of being a good leader in home country, one of the biggest challenges facing modern global leaders is how to lead people cross-culturally (Thomas, 2008; Deresky, 2011), as one leadership style may be effective in one culture, but fails in another (Scandura and Dorfman, 2004). DeGrosky (2011) reveals that leadership theory and practice have a great impact and are influenced by the differences among the cultures. However, the basic or fundamental principles of the leadership are same in all cultures even if leaders execute those functions in diverse ways from culture to culture. People influence others through leadership. Peoples values, attitudes, beliefs and behaviours vary largely by culture (Hofstede, 1998; Walumbwa et al., 2007; Thomas, 2008), so efficiency of leadership influence diffe rs by cultures, too. In some cultures, people could be influenced successfully by applying coherent persuasion teamwork and consultation, while other cultures may be influenced successfully by using general approaches like socialising, gifting and exerting pressure (DeGrosky, 2011). For example, as Americans have an individualistic cultural style (Hofstede, 1983), in this cultural context, leadership looks more at individual leaders and personality traits, style, behavior, as well as charisma, and it is encouraged to highlight individual success; While in China, with a highly collectivism context, it is more reasonable to praise a team/group, instead of individuals. The case of the Floundering Expatriate also indicates that different leadership style is required by different cultural context. In modern-day leadership, peoples views of effectual leadership change from customary and individualistic toward collective and collaborative styles. The Global Leadership and Organisational Be havior Effectiveness project in 2004 indentifies there are universally accepted leadership characteristics worldwide. Positive leader attributes include trustworthiness, justice, confidence, honesty and so forth, while loner, non-cooperation, ruthlessness and asociality etc. are negative attributes (House et al., 2004). Conclusion Concept of modern-day leadership differs from one school of thought to other like modern-day leadership styles include simple linear, visionary, pure arts and science, systems thinking and military style, etc. However, in modern-day leadership there is no single leading style among the leaders and in the organisations. Type of the organization and followers characteristics also play an important role in deciding for the leadership style now. But the key point is that modern-day leadership is increasingly associated with charisma, inspiration, trust and consensus, as well as other determinants like followers characteristics and cultural differences. However, charisma is criticised in a positive as well as in a negative manner by different school of thoughts. When charismatic leadership style is based on the core values like paying respect and attention to the ideas of subordinates, then this brings a positive synergism for the impact of charismatic leadership style in the success of t he business processes and operations. Trust between leaders and the followers is the basis for success of charismatic leadership style. Strategic leaders and policy makers with inspirational abilities and consensus development attitudes can develop trust between them and the followers/employees. In short, charisma, inspiration and trust are linked with each other and collectively help develop commitment among the followers. 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(eds.), (2004) Culture, Leadership and Organisations: The GLOBE Study of 62 Societies. Thousand Okas: Sage. Howell, J. M. (1988) Two Faces of Charisma: Socialised and Personalised Leadership in Organisations. In J. A. Conger and R.N. Kanungo (eds), Charismatic Leadership. San Francisco: Hossey Bass. Pp. 213-266. Howell, J.M. and Shamir, B. (2005) The role of followers in the charismatic leadership process: Relationships and their consequences, Academy of Management Review, Vol. 30, No. 1, pp. 96-112. Ilies, R., Judge, T. A. and Wagner, D. T. (2006). Making sense of motivational leadership: The trail from transformational leaders to motivated followers, Journal of Leadership and Organizational Studies, Vol. 3, No. 1, pp. 1-22. Leana, C.R. (1986) Predictors and consequences of delegation, Academy of Management Journal, Vol. 29, No. 4, pp.754-774. Lewin, K., Lippitt, R. and White, R. (1939) Patterns of aggressive behavior in experimentally created social climates, Journal of Social Psychology, Vol. 10, No. 1, pp. 271-299. Liu, J., Sui, O.L. and Shi, K. (2010) Transformational Leadership and Employee Well-Being: The Mediating Role of Trust in the Leader and Self-Efficacy, Applied Psychology: An International Review, Vol. 59, No. 3, pp. 454-479. Khatri, N. (2005) An alternative model of transformational leadership, Vision, Vol. 9, No. 2, pp.19-26. Knight, D., Pearce, C.L., Smith, K.G., Olian, J.D., Sims, H.P., Smith, K.A. and Flood, P. (1999) Top management team diversity, group processes and strategic consensus, Strategic Management Journal, Vol. 20, No.5, pp. 445-465. Martin, M.M. (1998) Trust Leadership, Journal of Leadership Studies, Vol. 5, No. 3, pp. 41-49. Matthews, D.J. (2010) Trust me: Credible leadership delivers results, Chief Learning Officer, Vol. 9, No. 2, pp. 28-31. Mendenhall, M.E., Osland, J.S., Bird, A., Oddou, G.R. and Maznevski, M.L. 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(1990) Influence tactics and objectives in upward, downward, and lateral influence attempts, Journal of Applied Psychology, Vol. 75, No. 2, pp. 132-140. Zeffane, R. (2010) Towards a two-factor theory of interpersonal trust: A focus on trust in leadership, International Journal of Commerce and Management, Vol. 20, No. 3, pp. 246-257.

Friday, October 25, 2019

Guilty Conscience in Macbeth :: essays research papers

In my opinion, the statement â€Å"If you commit a crime and don’t get caught, it doesn’t really matter because your guilt over what you have done will destroy you in the end† is true and happens in reality. What is a crime? It is an evil act that breaks the law or the basic values of the society, harming the individuals of the society. So if you commit a crime, and don’t get caught the fact that you have committed a crime and your heart knows will haunt you forever and make you feel guilty. If you know that the act you did was wrong, but you did it anyways ignoring what you knew will definitely lead to your destruction. Even though, you would appear to be confident to others, after committing the crime, but your inner conscience will always curse you and will eventually destroy you. This is what happened to Lady Macbeth in the play written by William Shakespeare, â€Å"Macbeth†. When Macbeth informed Lady Macbeth of the witches’ prophecy of him being the king of Scotland, she incited him to kill Duncan (because of her desire or ambition to rule Scotland). She could not kill Duncan herself, so she told him to slay Duncan. Even though, Lady Macbeth did not kill Duncan, she knew it was because of her provocation that Macbeth was forced to take this step. In the beginning of the play, she is blood thirsty and cruel. In the middle, when she had to hide Macbeth’s hallucination of seeing Banqous ghost, she said â€Å"Good friends, think of this as nothing more than a strange habit. It's nothing else. Too bad it's spoiling our pleasure tonight† (III, iv, 101-103). She is still confident and is trying to stabilize Macbeth’s thoughts. Till this point she is not shown to be guilty of her act but confident. Gradually, as the play progresse s we hear about Lady Macbeth’s condition from her maid, who says to a Doctor â€Å"Since his majesty went into the field, I have seen her rise/from her bed, throw her nightgown upon her, unlock her/closet, take forth paper, fold it, write upon 't, read it,/ afterwards seal it, and again return to bed, yet all this/while in most fall asleep† (V,I, 3-8). Then Lady Macbeth says while sleep walking â€Å"Out, damned spot! Out, I say!—One, two. Why, then, 'tis time to do 't/. Hell is/murky!—Fie, my lord, fie! A soldier, and afeard?

Thursday, October 24, 2019

Hardness Removal

Lab X3: Hardness Removal The objective of the experiment was to remove water hardness through the use of different methods such as: chemical addition, flocculation, and settling. Equipment Used: Buret 150 mL beaker 1-2L jar Filter paper, funnel Stir bar, magnetic stirrer Rapid mix reactor Stop watch Fisherbrand 100-1000? L digital pipet – serial number: DH94800 pH indicator paper Experimental conditions – 74. 6 ? F Data and Analysis Table 1: Parameters of untreated water| pH| ALK total (mg/L as CaCO3)| TH (mg/L as CaCO3)| Calcium hardness (mg/L as CaCO3)| Magnesium hardness (mg/L as CaCO3)| 6. 9| 188| 328| 296| 32| Table 2: Data for hardness and other parameters of softened water| pH| Starting position (mL)| Ending position (mL)| Volume of 0. 0100M EDTA for total hardness titration (mL)| Starting position (mL)| Ending position (mL)| Volume of 0. 0100M EDTA for calcium hardness titration (mL)| 7| 0. 00| 4. 20| 4. 20| 6. 90| 9. 85| 2. 95| Calculations for softened water: Total Hardness = 4. 20 mL 0. 0100 M EDTA50 mL (sample)*1000 mL1 L*1 mg CaCO31 mL 0. 0100 M EDTA=84 mgLCaCO3 Calcium Hardness = 2. 95 mL 0. 0100 M EDTA50 mL (sample)*1000 mL1 L*1 mg CaCO31 mL 0. 100 M EDTA=59 mgLCaCO3 Magnesium Hardness = 84 mgLCaCO3-59 mgLCaCO3= 25 mgLCaCO3 Questions: 1) Based on this experiment what additional step is needed to make the water suitable for human consumption? 2) What was the percentage removal of total hardness, calcium, and magnesium? The percentage removal for total hardness was 74. 39%, for Calcium 80. 06%, and for Magnesium 21. 88%. Total Hardness Percentage Removal = 100-84328*100=74. 39 % Calcium Percentage Removal = 100-59296*100=80. 06% Magnesium Percentage Removal = 100-2532*100=21. 88% ) How close did the treatment process come to reaching the practical limits of hardness reduction? Hardness removal limits were not achieved. Calcium was reduced to a concentration of 59 mg/L versus the limit of 30 mg/L. And in the case of Magnesium the conce ntration was reduced to 25mg/L versus the limit of 10mg/L. Calcium percent difference: 30-5930=96. 66% (Absolute value) Magnesium percent difference: 10-2510=150% (Absolute value) 4) How many metric tons of Ca(OH)2 and NaCO3 are necessary to process 59 million gallons of water per day based on the calculations of 1. a. and 1. b.?To run this water softening technique in a water plant processing 59 million gallons per day it would require 51 tons of Ca(OH)2 and 33 tons of NaCO3 2. 27*10-4kgL*223. 02*106L*(ton1000 kg)=51 tons of CaOH2 per day 1. 48*10-4kgL*223. 02*106L*(ton1000 kg)=33 tons of NaCO3 per day Discussion Hard water is an issue for industries that rely on large amounts of water to operate. Hardness generated by elements such as calcium and magnesium cat ions produce scum in pipes and with many industrial chemicals reduces their overall effectiveness. That is why it is important to have economic and reliable ways of reducing water hardness in large scales.The particular meth od used in this experiment was lime soda softening. It has to be noted that this particular procedure only works for water that has an initial pH level lower than 8. Based on stoichiometry and the addition rules according to Nazaroff and Alvarez-Cohen we are able to find what concentration of Ca(OH)2 and NaCO3 are needed to remove hardness from the water. Based on our results the softening of the water was a success. Initial total hardness was recorded at 328 mg/L, after softening the concentration was found to be 84 mg/L.Looking individually at the reduction of calcium and magnesium the concentration was reduced from 296 mg/L to 59 mg/L and 32 mg/L to 25 mg/L respectively. Even though a large amount of the hardness was removed from the water it was nowhere near the practical limit levels. This can be attributed to the fact that the reactions that dictate hardness removal suffer from diminishing returns. Sources of error in this lab can be attributed to the fact that the sample wate r was only allowed to precipitate for 15 minutes instead of the 20 that was required as stated by the procedure.

Wednesday, October 23, 2019

Adolescent Alcohol Abuse Essay

Over the years, many researchers have dedicated their time and energy to study adolescent alcohol abuse. They have found that there are many factors that contribute to adolescent alcohol abuse. These factors are psychological, environmental, social, and cultural. Not all of these factors play a part in every adolescent who abuses alcohol, but one of these factors is usually present. Psychological disorders have been found in both American, and Taiwan adolescents who abuse alcohol. The health risks of adolescent alcohol abuse are great. Alcohol affects the physiology of a young person. It disrupts the genetics and hormonal balances that are critical in the early development of youngsters. Treatment of alcohol abuse is a great state of change and development. Many therapists, doctors and counselors are trying to incorporate new treatment ideas and methods into the traditional techniques that have been used for years now. It is important to research the factors that contribute to adolescent alcohol abuse because if these factors are detected early, and an adolescent is put into a prevention program the likelihood that they will abuse alcohol will greatly decrease. Psychological Factors. See more:  Manifest Destiny essay According to the research, there have been many psychological problems found in adolescents who abuse alcohol. The majority of the research has been done in order to solve the question of whether or not these psychological factors are present before an adolescent abuses alcohol, or after the alcohol abuse has occurred. In the research done by Rhode, Lewinsohn, and Seeley (1996), they used a community sample of 1,507 adolescents between the ages of fourteen and eighteen. The adolescents were classified into the categories of abstainers, experimenters, social drinkers, problem drinkers, and abuse and/or dependent groups. In this study, 373 subjects met the criteria for depression, 15 were bipolar, 93 suffered from manic core symptoms, and 124 had an anxiety disorder (Rhode et al. , 1996). Furthermore, anxiety disorder and depression were psychological disorders that were more prevalent in female adolescents with alcohol abuse than their male counterparts. Males who abused alcohol tended to suffer from antisocial personality disorder. It is believed that females who suffer from anxiety disorder or depression use alcohol as a self-medication to make them feel better. According to Clark, and Bukstein (1998), one form of antisocial disorder known as conduct disorder lead adolescents to act out and seek out new experiences. This is probably the reason why adolescent males with an antisocial disorder turn to alcohol abuse. According to Rhode (et al. , 1996), â€Å"More than 80% of adolescents with an alcohol use disorder had another psychiatric disorder†¦. † (p. 106). In his study, the alcohol abuse tended to follow rather than proceed the psychiatric disorder. From this, it can be concluded that certain psychological disorders such as antisocial disorder, and depression are a factor in adolescent alcohol abuse. Environmental Factors Many studies have focused on the environmental factors that adolescents are exposed to, and how these factors lead to alcohol abuse. The aim of a study performed by Clark, Lesnick, and Hegedus (1997), â€Å"Was to examine trauma history and other adverse life events in adolescents with alcohol dependence or abuse and to compare them with a sample of community-dwelling adolescents without alcohol use disorder† (p. 1746). This study included 256 adolescents between the ages of fourteen and eighteen (Clark et al. , 1997). Adolescents who abused, or were dependent on alcohol reported more traumas then those in the control group. The types of abuse experienced by males and females tended to differ. Females experienced more sexual abuse, and males tended to be victims of violent acts. Both sexual abuse victims, and victims of violent acts showed increased amounts of alcohol use than those adolescents who were not abused in any way. If subjects experienced a number of traumas, they tended to abuse alcohol more than those that experienced only one trauma or no trauma at all. From this study, it can be concluded that trauma and abuse leads to adolescent alcohol abuse. Social Factors A study done on Hispanic and Black adolescents in the New York inner cities concluded that there were indeed social factors that contributed to adolescent alcohol abuse. The study used a sample of 4,874 Hispanic and African American seventh graders. The purpose of the study was to identify the social risk factors that promote adolescent alcohol abuse in Hispanic and African American (Epstein, Botvin, Baker, & Diaz, 1999). If an adolescent’s friends tended to drink on a consistent basis, he/she showed a greater amount of alcohol abuse than those who did not associate with friends who did drink alcohol. Also, family members play a major part in adolescent alcohol abuse. The family is another social factor that contributes to adolescent alcohol abuse. If an adolescent saw their parent consume alcohol, they also tended to abuse alcohol. Parents were not the only family members that influenced adolescent alcohol abuse; siblings also had an influence. If a sibling abused alcohol, the adolescent models this abuse. Their findings were present in both Hispanic and African American adolescents. Cultural factors. In the study done by Epstein and her collogues, cultural differences were also a factor in adolescent with alcohol abuse. According to Epstein (et al. , 1999), â€Å"Hispanic adolescents consumed more alcohol per drinking occasion and had greater intention to drink in the future than black adolescents. This was true when the models were tested separately for girls and boys† (p. 16). The use of alcohol among Hispanics could be due to the fact that it may be a cultural practice that allows an adolescent to identify with their culture. Religion is another cultural factor that plays a role in adolescent alcohol abuse. African American religions consider the consumption of alcohol a sin, so if an African American practices in their religion they are less likely to abuse alcohol than someone who does not practice their religion. However, this was not a factor for Hispanic adolescent alcohol abuse. A final cultural difference may be that more Hispanic adolescents have immigrated to this country in past years than black adolescents have. Therefore Hispanic adolescents have had the added stress of adapting to a new society. In turn Hispanic adolescents turn to alcohol abuse as a way of coping with their increased stress. Taiwan All of the studies mentioned above were performed in the United States. However, there have been studies done in other countries on adolescent alcohol abuse. One study was done on adolescents living in Taiwan. The results were very interesting. Many of the factors that are presents in American adolescents were also found in adolescents living in Taiwan. According to Chong, Chan, and Cheng (1999), â€Å"Among those successfully interviewed, 411 were males and 363 were females. Their mean age was 15. 23 years† (p. 1389). Like American adolescents who abused alcohol, Taiwan adolescents also had psychological factors presents. The most common psychological disorders found in Taiwan adolescents were disruptive behavior disorder, depression, and antisocial disorder. These disorders were also present in American adolescents. Alcoholism and Health Adolescent alcohol abuse is recognized as a major health concern in the United States. According to Arria and Tarter (1991), â€Å"It is likely that an older adolescents who first consumed alcohol in the preteen years will experience greater alcohol-related medical complications than will an adolescent who has been drinking for a shorter period of time† (p. 52). Although the length of time that an adolescent has been drinking is a major factor related to health, it is not the only one. Other factors may include how much alcohol is consumed at one sitting, and just what age the adolescent began to drink. Very heavy drinking may cause accidental injury. And, drinking at an early age may cause gross developmental complications. Arriea and Tarter (1991) noted that many adolescents also experiment with other drugs, while they are under the influence of alcohol. Other drugs may range from marijuana to crack cocaine and LSD. Using alcohol and other drugs combined can cause serious health risks and concerns. One major concern of adolescent alcohol abuse is the effects that abuse has on puberty. The results of the abuse may be most prevalent in the growth of the adolescent. It has been shown in both human and animal studies that alcohol consumption can stunt the physical growth of an adolescent approaching and during puberty. Arriea and Tarter (1991), stated that, â€Å"normal physical growth is dependent on a complex interaction between genetic, hormonal, and environmental influences† (P. 53). Alcohol severely effects this interaction. Treatment Whenever we talk about alcohol abuse with adolescents, we must talk about the treatment. Without proper treatment, the adolescent will end up in the same place over and over again. In the study done by Bukstein (1994), he stated that, â€Å"treatment for adolescents currently are undergoing rapid changes,? , by reducing their costs and emphasizing less restrictive treatment modalities† (p. 298). Many of the longer 28 or 38 day inpatient programs are being transformed into outpatient or partial hospitalization plans. Because these shorter programs have not been around long enough to gather information for testing, it is unable to tell if they are going to have any kind of affect on the adolescent’s rehabilitation. I feel that these cuts will have a negative effect on the treatment of youngsters. I think that these shorter programs may work for adults, but they will not work well with the adolescents because of the emotional immaturity present in young people. While many researchers believe that traditional treatment programs are the key, there has been some interest in alternative programs. According to Bukstein (1994), many programs are beginning to integrate an array of, â€Å"family or behavioral treatments, health services, vocational and educational services, and recreational activities in addition to 12-step principles† (p.299). This kind of treatment combines traditional 12-step programs with new innovative ideas of reaching the child through various activities. Once again, this kind of treatment is not yet able to be tested because of its immaturity. It will be very interesting to see what kind of affect this treatment will have. Conclusion There are many factors that contribute to adolescent alcohol abuse. These factors may be psychological, environmental, social, or cultural. If these factors were detected in an adolescent at an early age, it could prevent the adolescent form abusing alcohol. Health problems due to heavy alcohol abuse could also be prevented if these factors are detected early enough. Treatment is a crucial part of dealing with an adolescent that is suffering from alcohol abuse. I believe that much research must be done to ensure that methods are being executed properly. There has been some effort to combine new treatment with traditional ones. I believe that this is a good thing. It will be interesting to see if this new treatment will help. References Arria, Amelia M. , Tarter, Ralph E. (1991). The effects of alcohol abuse on the health of adolescents. Alcohol Health and Research World, 15 (1), 52-57. Bukstein, Oscar G. (1994). Treatment of adolescent alcohol abuse and dependence. Alcohol Health and Research World, 18 (4), 296-301. Chong, M. Y. , Chan, K. W. , & Cheng, A. T. A. (1999). Substance use disorders among adolescents in Taiwan: Prevalence, sociodemeographic correlates and psychiatric co-morbidity. Psychological Medicine, 26 (6), 1387-1396. Clark, D. , Lesnick, L. , & Hegedus, A. (1997). Traumas and Other adverse life events in adolescents with alcohol abuse and dependence. Journal of the American Academy of Child & Adolescent Psychiatry, 36 (12), 1744-1751. Clark, D. , & Bukstein, O. (1998). Psychopathology in adolescent alcohol abuse and dependence. Alcohol Health & Research World 22 (2), 117-121. Epstein, J. , Botvin, G. , & Diaz, T. (1999). Impact of social influences and problem behavior on alcohol use among inner-city hispanic and black adolescents. Journal of Studies on Alcohol 60 (5), 595-604. Rhode, P. , Lewinsohn, P. , & Seeley, J. R. (1996). Psychiatric comoribidity with problematic alcohol use in high school students. Journal of the American Academy of Child & Adolescent Psychiatry 35 (1), 101-109. Adolescent Alcohol Abuse Juvenile Delinquency.