Exam (elaborations)
Portage Learning CHEM 103 Final Exam
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Portage Learning CHEM 103 Final ExamQuestion 1 Complete the two problems below: 1. Convert 0.0000726 to exponential form and explain your answer. 2. Convert 5.82 x 103 to ordinary form and explain your answer. Answer: 1. Convert 0.0000726 = smaller than 1 = negative exponent, move decimal 5 places = 7.26 x 10-5 2. Convert 5.82 x 103 = positive exponent = larger than 1, move decimal 3 places = 5820 Question 2 Do the conversions shown below, showing all work: 1. 358oK = ? oC 2. 53oC = ? oF 3. 158oF = ? oK Answer: 1. 358oK - 273 = 85 oC oK → oC (make smaller) -273 2. 53oC x 1.8 + 32 = 127.4 oF oC → oF (make larger) x 1.8 + 32 3. 158oF - 32 ÷ 1.8 = 70 + 273 = 343 oK oF → oC → oK
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Portage Learning CHEM 103
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Portage Learning CHEM 103
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portage learning chem 103 final exam
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