105A_samplequiz3_key

105A_samplequiz3_key - Name:_ Last 3 digits Soc Sec # _...

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Name:_________________________________________________ First letter of Last 3 digits Soc Sec # ____________________________________ last name 1. 3. If necessary, please continue your work on the back of the preceding page 4. You must use blue or black Please sign below : I certify that I have observed all the rules of academic integrity while taking this examination. Signature: ____________________________________________________________________________ __ Question Points Score Grader 1 3 2 5 3 6 4 6 5 6 6 3 7 5 8 4 9 6 10 6 Total 50 - 1 - ANSWER KEY
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Chemistry 105a Lab Quiz #1 March 25, 2003 - 2 -
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Experiment #1 - Making Soap 1. Olive oil and “Crisco” are examples of: a) triglycerides b) saturated fatty acids c) unsaturated fatty acids d) glycerols Answer: ________________________________ 2. What is the difference between saturated and unsaturated fatty acids? saturated – all C-C single bonds in the hydrocarbon tail unsaturated – one or more C=C double bonds in the hydrocarbon tail - 3 -
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Experiment #2 - Propagation of Error 3. Calculate the average and the standard deviation of the density of liquid mercury from the following data.
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105A_samplequiz3_key - Name:_ Last 3 digits Soc Sec # _...

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