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C072_Mid_Term_Exam_1___Practice_v2

# C072_Mid_Term_Exam_1___Practice_v2 - C072 Mid Term...

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C072 Mid Term Examination 1 Practice Temple University C071 C072 General Chemistry I Scovill Spring 2007 2008 Instructions Write your name on the cover of the Blue Book in the space provided. Put your TU id number next to your name. Put your class number in the upper right corner of your Bluebook. In the upper left corner of the Blue Book write the version number of the exam. Put all the work you want graded in the Bluebook. Do not turn in the test pamphlet. For each problem requiring calculations, use at least a whole page of your Blue Book. Show all of your work. A periodic table is provided below. Use it to obtain data for working stoichiometric problems Useful relationships and constants Joule = kg m 2 / s 2 R = 0.08205 L atmol -1 o K -1 R = 8.31447 J mol -1 o K -1 P 1 V 1 / T 1 = P 2 V 2 / T 2 P V = n R T 1 atm = 760 mm Hg 1 atm = 14.7 psi 1 atm = 34 ft H 2 O STP = 1 atm, 273 K MAC minimum alveolar concentration: the pressure of a gas in the lungs causing anesthesia in 50% of the population

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1. (20) Suppose that a 29 g sample of acetone occupies 14.5 L at 353 o K and 1.00 atm. Use the gas laws to calculate the molecular weight of acetone (C 3 H 6 O). How close does you result agree with the molecular weight calculated from the molecular formula?
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C072_Mid_Term_Exam_1___Practice_v2 - C072 Mid Term...

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