s10q01 - 1. Chem 171 Quiz 1 Version A What is the safety...

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Chem 171 Quiz 1 Version A 1. What is the safety activity that you should perform before you leave the lab? What is the reason for it? You must wash your hands at the end of the lab even if you have been wearing gloves. This action will prevent you from carrying something on your hands, which you might later get in your eyes or in your food. 2. Is the density of a substance temperature dependent? Define Density. Explain. Density is temperature dependent. Density = mass / volume. Densities are temperature dependent because most substances change in volume when heated or cooled. Chem 171 Quiz 1 Version B 1. The following statements refer to lab safety rules. Write “True” or “False” next to the statement. 1. Bare feet are not allowed. True 2. Bare midriffs are not allowed. True 3. Open-toed shoes are allowed during check out. False 4. Shorts are allowed during check out. False 5. Long hair must be tied back only when we are using the Bunsen Burner. False 2. Suppose you needed 1.12 g of ethyl alcohol and you did not have a balance but you had
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s10q01 - 1. Chem 171 Quiz 1 Version A What is the safety...

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