EDCI Assignment 3 Essay Example

EDCI Assignment 3 Essay Example EDCI Assignment 3 Paper EDCI Assignment 3 Paper Chapter 1 Chemistry 1201/1202 Give the chemical symbol or name for the following elements, as appropriate: (a) sulfur, (b) magnesium, (c) potassium, (d) chlorine, (e) copper, (f) F, (g) Ni, (h) Na, (i) Al, (j)Si Question 1.13 Make the following conversions: (a) 62 degree Farenheit to Celsius, (b) 216.7 degree Celsius (c) 233 degrees Celsius to Kelvin, (d) 315 K to degrees Farenheit (e) 2500 degrees Farenheit to Kelvin. Question 1.25 Round each of the following numbers to four significant figures, and express the result in standard exponential notation: (a) 102.53070, (b) 656,980, (c)0.008543210, (d) 0.000257870, (e) -0.0357202 Question 1.37 By using estimation techniques, arrange these items in order from shortest to longest: a 57-cm length of string, a 14-in. long shoe, and a 1.1-m length of pipe. Question 1.51 A 32.65-g. sample of a solid is placed in a flask. Toluene, in which the solid is insoluble, is added to the flask so that the total volume of solid and liquid together is 50.00 mL. The solid and toluene together weight 58.58 g. The density of toluene at the temperature of the experiment is 0.864 g/ mL. What is the density of the solid? Question 1.70 Suppose you are given a sample of a homogeneous liquid. What would you do to determine whether it is a solution or a pure substance? Question 1.78 Chapter 2 Chemistry 1201/1202 Four of the boxes in the following periodic table are colored. Which of these are metals and which are nonmetals? Which one is an alkaline earth metal? Which is a noble gas? [Image on back] Fill in the gaps in the following table, assuming each column represents a neutral atom:[Image on back] How many hydrogen atoms are in each of the following: (a) C2 H5 OH (b) Ca (CH3 COO)2 , (c) (NH4 )3 PO4 ? Question 2.45 Write the chemical formulas for the follwing compounds: (a) aluminum hydroxide, (b) potassium sulfate, (c) copper (I) oxide, (d) zinc nitrate, (e) mercury (II) bromide, (f) iron (III) carbonate, (g) sodium hypobromite. Question 2.67 The element oxygen has three naturally occuring isotopes, with 8,9,10 neutrons in the nucleus, resepctively. (a) Write the full chemical symbols for these three isotopes. (b) Describe the similarities and differences between the three kinds of atoms of oxygen. Question 2.88 From the molecular structures shown here, identify the one that corresponds to each of the following species: (a) Chlorine gas; (b) propane, (c) nitrate ion; (d) sulfur trioxide; (e) methyl chloride, CH3 Cl. [Image on back] Chapter 3 Chemistry 1201/1202 (a) What is the difference between adding a subscript 2 to the end of the formula CO to give CO2 and adding a coefficent in front of the formula to give 2 CO? (b) Is the following chemical equation, as written, consistent with the law of conservation of mass? 3Mg(OH)2 (s) + 2 H3 PO4 (aq) - Mg3 (PO4)2 (s) + 6 H2 O(l) Question 3.10 Balance the following equations, and indicate whether they are combination, decomposition, or combustion reactions: (a) Al (s) + Cl2 (g) AlCl3 (s) (b) C2 H4 (g) + O2 (g) CO(g) + HO(g) (c) Li(s) + N2 (g) Li3N(s) (d) PbCO3 (s) PbO(s) + CO2 (g) (e) C7H8O2(l) + O2(g) CO2 (g) + H2O (g) Question 3.19 Determine the formula weights of each of the following compounds: (a) nitric acid, HNO3 ; (b) KMnO4; (c) Ca3 (PO4 )2 ; (d) quartz, SiO2; (e) gallium sulfide, (f) chromium (III) sulfate, (g) phosphorus trichloride. Question 3.21 The molecular formula of allicin, the compound responsible for the characteristic smell of garlic, is C6 H10 OS2 . (a) What is the molar mass of allicin? (b) How many moles of allicin are present in 5.00 mg of this substance? (c) How many molecules of allicin are in 5.00mg of this substance? (d) How many S atoms are present in 5.00 mg of allicin? Question 3.37 Give the empirical ormula of each of the following compounds if a sample contains (a.) 0.0130 mol C, 0.0390 mol H, and 0.0065 mol O; (b) 11.66 g iron and 5.01 g oxygen; (c) 40.0% C, 6.7% H, and 53.3% O by mass. Question 3.43 Hydrofluoric acid, HF (aq), cannot be stored in glass bottles because compounds called silicates in the glass are attacked by the HF (aq). Sodium silicate (Na2SiO3), for example, reacts as follows: Na2SiO3 (s) + 8 HF (aq) H2 SiF6 (aq) + 2 NaF (aq) + 3 H2 O (l) (a) How many moles of HF are needed to react with 0.300 of Na2SiO3 ? (b) How many grams of NaF form when 0.500 mol of HF reacts with excess Na2SiO3 ? (c) How many grams of Na2SiO3 can react with 0.800 g of HF ? Question 3.57 A manufacturer of bicycles has 4815 wheels, 2305 frames, and 2255 handlebars. (a) How many bicycles can be manufactured using these parts? (b) How many parts of each kind are left over? (c) Which part limits the production of bicycles ? Question 3.69 Chapter 4 Chemistry 1201/1202 We have learned in this chapter that many ionic solids dissolve in water as strong electrolytes, that is , as separated ions in solution. What properties water faciliate this process? Question 4.13 Will precipitation occur when the following solutions are mixed? If so, write a balanced chemical equation for the reaction. (a) Na2CO3 and AgNO3, and (b) NaNO3 and NiSO4 (c) FeSO4 and Pb (NO3 )2. Question 4.21 HCl, HBr, and HI are strong acids, yet HF is a weak acid. What does this mean in terms of the extent to wshich theses substances are ionized in solution? Question 4.33 Which circled region of the periodic table shown here contains the most readily oxidized elemnts? Which contains the least readily oxidized? [Image on back] The average adult human male has a total blood volume of 5.0 L. If the concentration of sodium ion in this average individual is 0.135 M, what is the mass of sodium ion circulating in the blood? Question 4.63 What mass of KCl is needed to precipitate the sivler ions from 15.0 mL of 0.200 M AgNO3 solution? Question 4.79 Chapter 5 Chemistry 1201/1202 Consider the accompanying energy diagram. (a) Does this diagram represent an increase or decrease in the internal energy of the system? (b) What sign is given to delta E(energy) for this process? (c)If there is no work associated with the process, is it exothermic or endothermic?[Image on back] (a) Calculate the kinetic energy in joules of a 45-g golf ball moving at 61 m/s. (b) Convert this energy to calories. (c) What happens to this energy when the ball lands in a sand trap? Question 5.13 Calculate delta E (energy), and determine whether the process is endothermic or exothermic for the follwing cases: (a) A system absorbs 105 kJ of heat from its surroundings while doing 29 kJ of work on the surroundings; (b) q= 1.50 kJ and w = 657 J; (c) the system releases 57.5 kJ of heat while doing 22.5 kJ of work on the surroundings. Question 5.25 You are given delta H (enthalpy) for a process that occurs at constant pressure. What additional information do you need to determine delta E (energy) for the process? Question 5.33 (a) What is the specific heat of liquid water? (b) What is the molar heat capacity of liquid water? (c) What is the heat capacity of 185 g of liquid water? (d) How many kJ of heat are needed to raise the temperature of 10.00 kg of liquid water from 24.6 degrees Celsius to 46.2 degrees Celsius? Question 5.49 Calculate the enthalpy change for the reaction P4O6 (s) + 2 O2 (g) P4O10(s) given the following enthalpies of reaction: P4(s) + 3O2(s)- 2H2O(g) delta H = -483.6 kJ P4(s) + 5O2(g)-2 O3 (g) delta H = +284.6 kJ Question 5.61 (a) What is meant by the term standard conditions, with reference to enthalpy changes? (b) What is meant by the term enthalpy of formation? (c) What is meant by the term standard enthalpy of formation? Question 5.65

Signs of Teacher Bullying

Signs of Teacher Bullying The majority of teachers genuinely care about their students. Although they may have the occasional bad day, they are kind, fair, and supportive. However, almost everyone who has been a student in a public or private school classroom has experienced mean teachers. In some cases, the alleged mean behavior is merely a personality conflict between the teacher and student. In other cases, a teacher’s irritability may result from burnout, personal or work-related stress, or a mismatch between his teaching and the students learning style. However, there are cases where the mean behavior crosses the line, and the teacher becomes the classroom bully. What Is Teacher Bullying? In an anonymous survey whose results were published in 2006, psychologist Stuart Twemlow noted that 45% of the teachers surveyed admitted to having bullied a student. The survey defined teacher bullying as: â€Å"...a teacher who uses his/her power to punish, manipulate or disparage a student beyond what would be a reasonable disciplinary procedure.† Teachers may bully students for several reasons. One is a lack of training in proper discipline techniques. Failure to arm teachers with an arsenal of appropriate, effective disciplinary strategies may result in feelings of frustration and helplessness. These feelings can cause teachers to resort to intimidation tactics. Teachers who feel bullied in the classroom by students may be more likely to bully in retaliation. Finally, teachers who experienced childhood bullying may turn to those tactics in the classroom. Parents or school administrators usually address physical altercations between students and teachers. However, behaviors such as verbal, mental, or psychological abuse may be less likely to be reported by the victim or fellow students and teachers. Conduct that may cross the line and be considered bullying include: Belittling or intimidating a studentSingling out one student for punishment or ridiculeHumiliating or shaming students in front of classmatesYelling at a student or group of studentsUsing racial or religious slurs or other forms of belittling a student based on gender, race, religion, or sexual orientationSarcastic comments or jokes about a studentPublic criticism of a childs workConsistently assigning poor grades to one student on objective assignments or projects If your child complains about any of these behaviors, look for other signs of teacher bullying. Signs to Watch For Many children won’t report abuse to parents or other teachers due to embarrassment, fear of retaliation, or concern that no one will believe them. Minority or special needs children may be more likely to fall victim to teacher bullying. Surprisingly, high-performing students may be at increased risk of harassment by insecure teachers who feel intimidated. Because children may not report teacher bullying, it’s important to pay attention to clues that it may be happening. Look for these signs that your childs teacher is a bully: Unexplainable ailments. One telling clue is a child who used to enjoy school suddenly making excuses to stay home. He may complain of stomach aches, headaches, or other vague ailments to avoid going to school. Complaints about the teacher. Some children may complain about a teacher being mean. Often, this complaint is nothing more than a personality conflict or a teacher who is more strict or demanding than your child would like. However, ask questions and look for subtle clues that may indicate a more severe situation. Ask your child to explain how the teacher is mean or give specific examples. Inquire if other kids feel the same. Pay particular attention if the complaints about the teacher being mean include him or her yelling at, humiliating, or belittling  your child (or others). Changes in your child’s behavior. Look for changes in behavior. Victims of teacher bullying may have angry outbursts at home or temper tantrums before or after school. They may appear withdrawn, moody, or clingy. Negativity toward self or schoolwork. Pay attention to self-deprecating comments or  excessively critical  statements about the quality of their schoolwork. If your child is usually a good student and suddenly starts complaining that he can’t do the work or his best efforts aren’t good enough, this could be a tell-tale sign of classroom bullying. Take note if your child’s grades start dropping. What to Do If You Suspect a Teacher Is Bullying Your Child Parents may be somewhat reluctant to report bullying behaviors. They often fear making the situation worse for their child. However, if a teacher is bullying your child, it is vital that you take action. Support your child. First, talk to and support your child, but do so calmly. Angry, threatening, explosive behavior may frighten your child even though you’re not mad at her.  Let her know that you believe her.  Normalize the situation and assure your child that  you will take action to stop the bullying behavior.  Ã‚   Document all incidents. Keep detailed written records of all bullying incidents. List the time and date of the incident. Describe exactly what happened or what was said and who was involved. List the names of any other teachers, students, or parents who witnessed the encounter. Understand what legally constitutes bullying in your state. Check bullying laws by state  so that you understand what actions are considered bullying. Investigate how the school is expected to address such conflicts.  Many states bullying laws are focused on students bullying other students, rather than teachers bullying students, but the information you uncover may be useful in your situation. Meet with the teacher. Depending on the severity of the bullying, schedule a meeting with your child’s  teacher. Speak to him or her  calmly and respectfully. Give her the opportunity to explain  her perspective. There may be  reasons that she appears to be singling out your student and coming across as mean or angry. Perhaps there are  behavioral issues or personality conflicts that you, your child, and his teacher can discuss and resolve.   Ask around. Ask other parents if their children have similar complaints about the teacher. Ask other teachers if they know of any problems with your child and his teacher or have concerns about the teachers behavior in general. Follow the  chain of command. If you are still concerned about the actions of your child’s teacher after speaking with her  and other parents and teachers, follow the chain of command until the situation is addressed and satisfactorily resolved. First, talk to the principal. If the issue remains unresolved, contact the school superintendent or the school board. Consider your options. Sometimes, the best action is to request a transfer for your child to a different classroom. In extreme cases, if the school administration is not adequately addressing bullying situation, you may want to consider  transferring your child to a different public school, moving to private school, homeschooling  (even if homeschooling isn’t a long-term solution), or online schooling.

Ethical Businesses Vs Unethical Businesses Research Paper

Ethical Businesses Vs Unethical Businesses - Research Paper Example adership in depth and provides examples of how ethical and unethical behaviours of leaders persist in today’s globally diverse business environment. Increasing business competition, globalization, immigrations and technological advancements have changed the course of business. The way of conducting and managing businesses has been changed dramatically. It has become vital to understand the change required, incorporate it in the plans of business and efficiently implement the change needed. However, the idea of change and maintenance of loyalty among stakeholders is a very complex and complicated task. The increasing diversification around the globe has changed the communication, management and leadership techniques to continue with their effects. Business owners are now required to keep in view the needs of the diverse workforce, customers, suppliers and other stakeholders. Business management and leadership has become a more complex phenomenon to deal with. More ethical and moral concerns are rising with the advancements and changes in business environment. Researchers are taking greater interest than ever in understanding the ethical issues that are continuously increasing. Ethical crisis has been taking more attention than ever knowing its devastating effects not only on the employees but also on customer behaviours, government perceptions and overall performance of businesses. It is important to understand the concept of ethical crisis and its factors in order to resolve or reduce the threats it brings. Where did ethical crisis come from? Who can resolve the issue arising from it? How? What is the public opinion about leaders? How is it affecting businesses? Can leaders help making the situation better? What are some current examples of ethical business operations and decisions made by leaders? The aim of this paper is to answer these questions and include all possible factors to understand the value of ethics in business. The paper also aims to understand

Business ethics and law Essay Example | Topics and Well Written Essays - 1000 words

Business ethics and law - Essay Example The current business market in the United Kingdom has become a very competitive one. Companies are going to great extents in order to attract the customers to their services and products. This competition is very healthy for the generation of a profit making market that has got fair services for the consumers The competitive nature of these markets also helps with the improvement of the quality of the services and the products that the different companies and organizations make available for their customers. It is the social responsibilities of these businesses to use the resources that are in their disposal and engage themselves in activities that will increase the generation of profits. However, these activities have got to stay within the laws that have been set by the government regarding the ethical conduct of the businesses. This paper will focus on this law and how they do help in the creation of a free and fair competitive market for all the businesses in the United Kingdom. Business ethics and the legal implications that accompany it have become one of the most important factors in the UK market today. These business ethics and laws have got a very important role to play in terms of controlling the conduct of the competition between these businesses. The laws that have been set solely focus on the growth of ethical elements in the markets in order to allow for a fair conduct of trade and business (Bantekas, 2004). These laws do cover the social responsibility and principles which govern the competitive markets for the businesses in order to create a smooth platform for the conduct of trade. This also serves as a means of protecting the consumers from extortion and cheating by these businesses which might seek to take advantage of them in the name of being competitive and trying to win them over. The social responsibility of these laws is to create an environment where there is there is balance in between the employees of the companies, the stakeholders and the customers. Each one of these three members is entitle to fair services in the business market regardless of the competition (Maloni & Brown, 2006). Observation of the business laws and ethical conducts when it comes to the operational activities is very important. Management of any business has got the responsibility of acting in ways which ethical in making the decisions on how to go about the operational activities of a company. The operational activities need to be considerate of the greater good of not only the organization but that of its employees as well (Trevio & Nelson, 2007). The managers have thus got the responsibility of watching out on how they behave towards the employees since that might impact their reaction either negatively or positively. One of the primary roles of the business laws in the UK is to enable the managers demonstrate the right type of behavior towards their employees especially when addressing them on how to go about the operational activiti es of the company. The managers have got to be keen not to overwork these employees in the name of making profits for the company (Moser, 2009). Business laws and ethics are always looking for ways through which competitive advantage can be created in the UK market (Hartman, 2008). Thus, the business ethics do come up with imaginations that have been collectively multifaceted. These imaginations in the market are complicated so as to enable them grow significantly with time in the businesses. The competition levels in the markets force most of the managers to make some very radical decisions regarding the company (Henry, 2012). All this is usually aimed at making the business more competitive in the market. However, some of these decisions made might create a conflict between the managers and the shareholders. This is because of issues arising from trust and honesty. The shareholders might think that the managers are making these decisions in order for

International Operations Management Essay Example for Free

International Operations Management Essay Nowadays every company wants to gain a competitive edge in the market and for that it leaves no store unturned . When any new development takes place although it has a good side to it but there are equally a lot of challenges attached to it as well. If a company is thinking of moving from batch processing to line processing there would be considerable concerns which the following departments might raise and might have to juggle with. The finance department might face the issues of capital investment rising from moderate to high level because if an automobile production line is there then it would not use ordinary machinery instead would require specialized machinery for its production. In a batch processing system the capital investment is usually seen to be moderate and when decision of venturing into line processing is taken then capital investments expects to be high. Variable cost might tend to lessen from moderate level of previous working seen in batch processing. Human resource department would also have to face issues like curtailing the number of labor content and workforce . Usually in assembly line processing the workforce is replaced by machinery and supporting mechanisms embedded in the systems like for example adding a conveyer belt to connect the activities which take place in the firm. (Lewis Slack, 2003). Labor content in batch processing is moderate whereas in line processing its low. (McHugh MuHugh , 1990) . This can be a concern of the human resource department because it would take decisions like lay off, transfer etc. The accounting department has to be on the toes because the level of transactions would increase as the volume would increase i. e. from moderate level of quantity produced to high level production. The entries have to be made on a continuous basis as volume or the quantity has risen. The information system which would be used for line processing will have to more swift and embedded with specialized softwares or systems which support line processing nature of work. The connected flow of working will have to be monitored efficiently. The system of monitoring will have to be modified so as to facilitate the current functioning. The marketing department might think of the fact that in the batch processing products involved were several and in line processing the products involved are less hence less responsibility, but the quality of marketing expertise would be expected to increase drastically. ( Heizer Render , 1991 ) . A batch process usually executes different production runs for different runs but it’s not in the case of line processing. The flexibility is usually seen to be low in line processing and therefore as in batch processing where flexibility is seen to be moderate might create concerns for the marketing department. The marketing department now will have to devise such ideas which are out of the box and facilitate such larger processing function . The marketing department has to design such products which entice the masses as they would now not have multiple products which can save their flagging reputation. (Weiss Gershon, 1989) To culminate I would state that whenever any other process flow is adopted then there are certain specifications which are to be considered and the various departments which previously followed a specific line of action need to have the insight of how to adapt to the other one in which they are opting to venture.

Comparing Women in Lowell’s Patterns and Sorrell’s From a Correct Addre

The Struggle of Women in Lowell’s Patterns and Sorrell’s From a Correct Address       "Woman is not born," feminist Andrea Dworkin wrote. "She is made. In the making, her humanity is destroyed. She becomes symbol of this, symbol of that: mother of the earth, slut of the universe; but she never becomes herself because it is forbidden for her to do so." Dworkin’s quote relates to women throughout history who have been forced to conform. Although women can be regarded highly in society, representing images of fertility, security, and beauty, many people still view them in stereotypical ways; some people believe that all women should act a certain way, never letting their true selves shine through. Amy Lowell’s "Patterns" and Helen Sorrell’s "From a Correct Address in a Suburb of a Major City" accurately portray the struggles of women in relation to conformity. Through contrasting descriptive details, symbols, and language, the authors depict the plights of two remarkably similar women who wish they could break free of their social confinements a s women. In both poems, certain details of the characters’ lives give the reader an impression that the women live pleasant, well-to-do lives, while others give an idea that the women are suffering; this contrast helps to depict the confusion and inner struggles the women are facing. Although they live lives of riches and glamour, they long for something that surpasses the material aspects of life, allowing them to experience freedom from their many social confinements as women. Lowell writes many details in "Patterns" that lead the reader to believe the woman described is upper class: As I wander down The garden-paths. My dress is richly figured . . . Just the pla... ...ther they express the realistic conflict there is between the two. Outwardly, the characters conform, but, inwardly, they long to be free. In real life, most people do not sway to a definite side or another on the issue of conformity and rebellion, but rather, as these characters do, experience a complex inward struggle and conflict with the ideas. Works Cited Lowell, Amy. "Patterns." Literature: The Human Experience. Ed. Richard Abcarian and Marvin Klotz. New York: St. Martin’s Press, 1996. 291-293. Sorrells, Helen. "From a Correct Address in a Suburb of a Major City." Literature: TheHuman Experience. Ed. Richard Abcarian and Marvin Klotz. New York: St. Martin’s Press, 1996. 301-302. Quotes by Author: Andrea Dworkin. 5 Apr. 2000. Cyber Nation International <http://www.cybernation.com/victory/quotations/authors/quotes_dworkin_andrea.html>.     

Poetry †Pablo Neruda Essay

1. The speaker in this poem is the persona, because first person is used (â€Å"I†). 2. The character of the speaker changes from the beginning of the poem to the end. At the beginning the character is unsure in his words and actions, can’t find an answer to his questions: â€Å"I don’t know, I don’t know where it came from, from winter or a river. I don’t know how or when†, â€Å"I did not know what to say†. The character has also lost his identity: â€Å"there I was without a face†, â€Å"my eyes were blind†. By the end of the poem, the speaker ‘finds himself’ as part of something, part of the â€Å"void†, â€Å"mystery†, â€Å"part of the abyss†. He finds himself going with the flow, wheeling â€Å"with the stars†, â€Å"my heart broke loose on the wind†. 3. a) The kind of images used most often after the line, â€Å"and suddenly I saw† in stanza two are connected with the nature and its flow: â€Å"palpitating plantations†, â€Å"shadow perforated†. They are also connected with how the world opens for the speaker: â€Å"the heavens unfastened and open†. b) This imagery contributes to our understanding of the speaker’s thoughts and feelings when he first encounters poetry, because the reference to nature helps the reader to understand the idea of the poem. Nature is something everybody understands regardless of nation or education. 4. The speaker’s first lines of poetry could be â€Å"pure nonsense, / pure wisdom†. They could be nonsense because he is not guided by his thoughts, but the poetry simply flows in him and he writes it. The lines can be wisdom as well because of the way the poet receives his ideas and puts them into words.