# Quiz Week 1 Answers - .what is the mole fraction of helium...

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Question 1 Questions 1-3 all relate to the same si 1.00 L of He gas at 0.75 atm is combi a mixture with a total volume of 3.00 mated as ideal gases. .. ...what is the total resulting pressure? Answer a. 0.75 atm b. 1.00 atm c. 1.125 atm d. 1.25 atm e. 2.25 atm situation: ined with 2.00 L of Ne g L. Assuming no tempe ? gas at 1.5 atm at a temperature of 25.0 °C to make erature change and that He and Ne can be approxi- Question 2 Questions 1-3 all relate to the same si 1.00 L of He gas at 0.75 atm is combin mixture with a total volume of 3.00 L. mated as ideal gases. .. ...what is the partial pressure of helium Answer a. 0.200 atm b. 0.250 atm c. 0.313 atm d. 0.450 atm e. 1.00 atm ituation: ined with 2.00 L of Ne g Assuming no temperat m? gas at 1.5 atm at a temperature of 25.0 °C to make a ture change and that He and Ne can be approxi- Question 3 Questions 1-3 all relate to the same si 1.00 L of He gas at 0.75 atm is combin mixture with a total volume of 3.00 L. mated as ideal gases.

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Unformatted text preview: .. ...what is the mole fraction of helium? Answer a. 0.030 b. 0.20 ✔ c. 0.25 d. 0.50 e. 0.75 f. 0.80 ituation: ined with 2.00 L of Ne g Assuming no temperat gas at 1.5 atm at a temperature of 25.0 °C to make a ture change and that He and Ne can be approxi-Question 4 The atmospheric surface pressure on mately 4% various other gases. Given present per cubic centimeter at the su Answer a. 62 mg ✔ b. 65 mg c. 62 g d. 65 g e. 99 mg Venus is 90 bar and is c n a surface temperature urface? Assume ideal b composed of 96% coarbon dioxide and approxi-re of 460 °C, what is the mass of carbon dioxide behavior. Question 5 Calculate the pressure exerted by 1.00 volume of 150 cm 3 at a temperature o Answer a. 0.571 atm b. 13.4 atm c. 763 atm ✔ d. 971 atm e. 102 katm 0 mol ethane behaving of 770 °C. For ethane, as a van der Waals gas when it is confined to a , a = 5.507 atm ⋅ L 2 /mol 2 and b = 0.0651 L/mol....
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Quiz Week 1 Answers - .what is the mole fraction of helium...

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