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61) A vessel contained N2, Ar, He, and Ne. The total pressure in the vessel was

ID: 926926 • Letter: 6

Question

61) A vessel contained N2, Ar, He, and Ne. The total pressure in the vessel was 987 torr. The partial pressures of nitrogen, argon, and helium were 44.0, 486, and 218 torr, respectively. The partial pressure of neon in the vessel was _ torr. D) 239 E) 521 C) 19.4 62) 10.0 grams of argon and 20.0 grams of neon are placed in a 1200.0 ml container at 25.0 °C. The partial pressure C) 5.60 63) CO (5.00 g) and CO2 (5.00 g) were placed in a 750.0 mL. container at 50.0 °C. The partial pressure of CO in the C) 6.29 64) A mixture of He and Ne at a total pressure of 0.95 atm is found to contain 0.32 mol of He and 0.56 mol of Ne. C) 1.7 A) 760 B) 42.4 of neon is of neon is atm. B) 20.4 A) 3.40 D) 8.70 E) 0.700 container was A) 0.292 atm. B) 4.02 D) 1.60 E) 10.3 The partial pressure of Ne is atm. A) 1.5 B) 0.60 D) 1.0 E) 0.35 65) A flask contains a mixture of He and Ne at a total pressure of 2.6 atm. There are 2.0 mol of He and 5.0 mol of Ne atm. in the flask. The partial pressure of He is A) 0.74 B) 9.1 C) 1.86 D) 6.5 E) 1.04 66) A mixture of Xe, Kr, and Ar has a total pressure of 6.70 atm. What is the mole fraction of Kr if the partial pressures of Xe and Ar are 1.60 atm and 2.80 atm, respectively B) 0.174 E) 0.343 A) 0.481 C) 0.570 D) 0.256

Explanation / Answer

61) A vessel contained N2, Ar, He, and Ne. The total pressure in the vessel was