Exam II Version A - Chemistry 101 Winter 2007 Exam II...

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Chemistry 101, Winter 2007 Name_____________________________________ Exam II Version A Recitation Day and time: ______________________ Please show all work to receive full credit . Useful formulas and conversion factors: 1 atm = 760 mm Hg = 760 torr = 1.01325 x 10 5 Pa = 1.01325 x 10 2 kPa 1 inch = 2.54 cm º F = (9/5) ( º C) + 32 K = º C + 273.15 P = F/A F = ma 1 Pa = 1 N/m 2 PV = nRT R = 0.08206 L-atm/mole-K = 8.314 J/mol*K P 1 V 1 / T 1 = P 2 V 2 / T 2 N = 6.022 x 10 23 /mole M = dRT/P d = P M / RT P 1 = X 1 P t P t = P 1 + P 2 + P 3 + . . . u = (3RT / M ) 1/2 r 1 /r 2 = u 1 /u 2 = ( M 2 / M 1 ) 1/2 1 J = 1kg*m 2 /s 2 M 1 V 1 = M 2 V 2 Scoring: Page 1 (36) ________ Page 2 (28) ________ Page 3 (36) ________ Total ________/ 100
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1. Using 1 mol of N 2 and 1 mol of He, show that the molar volume of any gas is the same at STP. (8) 2. An automobile is driven by chemical reactions which can be reasonably modeled by the combustion of octane. It takes about one mole of octane to move a car one mile.
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Exam II Version A - Chemistry 101 Winter 2007 Exam II...

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