Chem 65 Spring Quiz 6 - Name_Mr Perfect Date_Sp 11 Useful...

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Name ____Mr. Perfect ______________________________ Date ____Sp 11 ________ Chemistry 065 Quiz 6 Useful information: PV = nRT R = 0.0821 L atm/mol K 1 atm = 760 mmHg = 101 kPa = 14.97 Psi 1. A sample of nitrogen, N 2 , and helium, He, has a volume of 25 mL at 30 C and a total pressure of 745 mmHg. If the partial pressure of He is 32 mmHg, what is the partial pressure of nitrogen? (3 pts) Dalton s Law of Partial Pressures P Total = P N2 + P He 745 mmHg = P N2 + 32 mmHg P N2 = 745 mmHg 32 mmHg = 713 mmHg
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