Finding the Activation Energy of the reaction between Hydrochloric Acid and Sodium Thiosulfate The equation for the reaction is: S2O32- (aq) + 2H+(aq) ⋄ SO2 (g) + S(s) + H2O (l) Equipment - 2 boiling tubes - 400 cm3 beakers - Marker pen - Stand and clamp - Timer - Bunsen burner‚ tripod and gauze - 0 – 100 oC thermometer - 2 x 10 cm3 measuring cylinders - Access to a fume cupboard. Method 1. Label two boiling tubes A and B. Mark a dark spot on the side of a 400cm3 beaker‚ then ½ fill
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Our Research Proposal Topic:Newspaper reading habits 1) Problem Definition: -What is the purpose of the study? Our purpose is to find out the number of students who prefer newspapers in our college campus. -How much is already known? So far there is no data collected on this topic. But the reason behind choosing this topic is to know how many people prefer newspapers over any other source of news related information such as magazines‚ journals‚ internet
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Deviation 0.220 0.220 0.207 0.206 Level of Significance (alpha) 0.010 0.010 0.010 0.010 Critical Value (lower tail) -2.576 -2.576 -2.576 -2.576 Critical Value (upper tail) 2.576 2.576 2.576 2.576 Hypothesized value 12 12 12 12 Standard Error 0.040 0.040 0.038 0.038 Test Statistic -1.027 0.713 -2.935 2.161 p-value 0.304 0.476 0.003 0.031 Only sample 3 leads to the rejection of the hypothesis H0: µ = 12. Thus‚ corrective action is warranted for sample 3. The other samples indicate
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control purposes. Class Interval = {u – [Z*Error]‚ u + [Z*Error]} = {12 – [2.58*0.038]‚ 12 + [2.58*0.038]} = {11.901‚ 12.098} Sample 1 Sample 2 Sample 3 Sample 4 SAMPLE MEAN 11.958 12.028 11.889 12.081 From the data it was found that the mean of sample 3 does not fall with class interval and therefore corrective action must be taken on it. 4) Discuss the implications of changing the level of significance to a larger value. What mistakes or error could increase if the level of significance
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or they may even die. This is usually caused by the doctor. For every effect that takes place in the medical technology field‚ there is always a cause. The cause for misdiagnosis was either the diagnostic equipment was defective‚ or since of human error. In rare circumstances‚ gear that is flawed usually causes misdiagnosis since it malfunctions. These breakdowns make it very tough for the patient. A human mistake‚ for the most part‚
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Barrie‚ Fanta April 14‚ 2006 N405‚ MEDICATION ERRORS Alternative assignment in-lieu of clinical attendance A SYNOPSIS: STRATEGIES FOR REDUCING MEDICATION ERRORS In 1999‚ the Institute of Medicine (IOM) released a report‚ "To Err is Human: Building a Safer Health System‚" in which‚ according to the report‚ between 44‚000 and 98‚000 deaths may result each year from medical errors in hospitals alone. And more than 7‚000 deaths that occurred each year were related to medications
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The report is divided into several well-defined sections. Each section must be present in a complete report. To earn an outcome point for the laboratory report‚ a student must submit a formal lab report that earns a score of at least 90/100. Each error (factual‚ grammatical‚ typographical‚ spelling) results in a deduction of 5/100. Several opportunities will be offered through the second half of the semester for students to submit a successful report. Sub-par reports may not be resubmitted for regrading
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results. In particular‚ the variance between individual results within the sample is a good indicator of variance in the overall population‚ which makes it relatively easy to estimate the accuracy of results. However‚ SRS can be vulnerable to sampling error because the randomness of the selection may result in a sample that doesn’t reflect the makeup of the population. For instance‚ a simple random sample of ten people from a given country will on average produce five men and five women‚ but any given
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Running head: Medication Errors January 2012 When patients enter a hospital or doctor’s office they do so with the expectation that their safety is of great importance. In addition‚ when medication is prescribed and given to patients‚ the safety of the patient is at the hands of the doctor. The patient is under the impression that the medication is being given correctly and will not harm them. Unfortunately‚ medication errors do occur and when they do‚ the patient can experience potential
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Medical Errors Medical errors are responsible for injury in as many as 1 out of every 25 hospital patients; an estimated 48‚000-98‚000 patients die from medical errors each year. This means that more people die from medical errors than from motor vehicle accidents‚ breast cancer‚ or AIDS. Errors in health care have been estimated to cost more than $5 million per year in a large teaching hospital‚ and preventable health care-related cost the economy from $17 to $29 billion each year. What are
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