Experiment 18 Chemistry 101 Redox Titration: Determination of the Percentage of Iron in a Sample INTRODUCTION The concentrations of redox-active species can be determined by redox titrations. In a redox titration‚ a measured sample of the unknown is titrated against a standard solution of a substance that will oxidize or reduce the unknown. In the present experiment you will take a sample containing iron‚ add acid to dissolve it [thereby converting all the iron to iron(II)]‚ then
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Salem Telephone Company – Salem Data Services Dear Mr. Flores‚ The objective of our engagement was to analyze Salem Data Services’ (SDS) operations to determine if this is a viable business with potential for growth and future profit or whether the business is likely to remain unprofitable and should be divested. A review of Salem Data Services’ utilization metrics for the first quarter of 2004 has helped us pinpoint the crux of SDS’s unprofitability over this three month span. Underutilization
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1. “Revenue hours” represent the key activity that drives costs at Salem Data Services. Which expenses in Exhibit 2 are variable with respect to revenue hours? Which expenses are fixed with respect to revenue hours? a. Variable Expenses – Wages for Hourly Personnel‚ Power b. Fixed Expenses – Wages for Salaried staff‚ Systems development and maintenance‚ Administration 2. For each expense that is variable with respect to revenue hours‚ calculate the cost per revenue hour.
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‘YEAR OF WONDERS’ – A PASSGE THAT IMPACTED ON ME AS A READER – ‘SIGN OF A WITCH’- MOB SCENE. Year of wonders is a brilliantly written book with numerous scenes involving the good‚ the bad and the ugly. There is one chapter within the novel that stands out majorly from the rest; this chapter is ‘Sign of a Witch’. Within this mesmerising chapter horrific events unfold upon transfixed and innocent individuals by a mentally distorted mob fixed within a trance of evil thoughts. This mob aims to kill
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A difference in time‚ but a parallel atrocity: The Crucible and the McCarthy hearings I. Arthur Miller’s The Crucible and the McCarthy hearings. A. Throughout America’s history‚ suspicion has risen‚ from witch accusations to Soviet Union communists‚ that doubt society’s norm. B. In 1962‚ the Massachusetts puritans engaged in a horrific and hectic hunt for witches. C. In post World War two America‚ the second red scare occurred; Senator Joseph McCarthy sought after communists that
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could help people. This could also help with learning new things. Listening to their opinion of their argument can even change the earlier opinions someone had. Seeing from another person’s point of view can help people with thoughts‚ understanding‚ conclusion. Someone’s point of view can make people’s thoughts work more. Trying to see from someone’s view will make people think of different ways to view what the other person sees. The thoughts would be why‚ when and where. With so many thoughts someone
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Conclusion Worksheet Instructions: Copy and paste the following text into a document or create a document that contains the same information. Respond to the following with complete sentences. 1. Copy and paste the introduction to your essay in the space below. King’s famous “Letter from Birmingham Jail‚” was written in response to a public statement of concern and caution issued by eight white religious leaders of the south. Even though King felt that they were men of “genuine good will‚” he didn’t
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Introductions and Conclusions Introductions and conclusions play a special role in the academic essay‚ and they frequently demand much of your attention as a writer. A good introduction should identify your topic‚ provide essential context‚ and indicate your particular focus in the essay. It also needs to engage your readers’ interest. A strong conclusion will provide a sense of closure to the essay while again placing your concepts in a somewhat wider context. It will also‚ in some instances
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well written. What kind of conclusion does the writer use? The conclusion was very well written. I think his intentions were to leave you wondering‚ because it left me wondering. What is the effect of that kind of conclusion on this essay? He knew exactly what and how he wanted to write. The simple question from the beginning just attracts your attention. Very well written and powerful essay‚ this is just a very touching essay he wrote this from experience. Conclusion Essay What article did
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Salem Telephone Company 1. With respect to the revenue hours the expenses‚ power and operations: hourly personnel are the variable expenses. Rent‚ custodial services‚ Computer leases‚ Maintenance‚ Depreciation‚ Salaried staff‚ administration‚ sales‚ sales promotions‚ corporate services and systems development and maintenance expenses can be treated as fixed costs. 2. Costs per revenue hours for the Variable expenses power and operations hourly personnel are as follows Expenses | Jan
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