Gas_laws_review_questions

Gas_laws_review_questions - 1. A 0.850-mole sample of...

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1. A 0.850-mole sample of nitrous oxide, a gas used as an anesthetic by dentists, has a volume of 20.46 L at 123°C and 1.35 atm. What would be its volume at 468°C and 1.35 atm? a) 5.38 L b) 10.9 L c) 38.3 L d) 77.9 L 2. Which of the following is characteristic of gases? a) high compressibility b) relatively large distances between molecules c) formation of homogeneous mixtures regardless of the natures of non-reacting gas components d) all of the above e) none of the above 3. According to the kinetic-molecular theory, molecules of different gases at the same temperature always have the same a) molecular weight b) pressure c) average kinetic energy d) volume 4. Forty-four grams of carbon dioxide occupies 32.68 L at 65°C and 645 torr. What is its volume at STP? a) 22.4 L b) 31.1 L c) 34.3 L d) 47.7 L 5. The greatest deviation from the Ideal Gas Law is expected at a) high T, high P b) high T, low P c) low T, low P d) low T, high P e) real gases don't deviate from the ideal gas law 6. Which of the following pairs involve variables that are inversely proportional? a) V, n b) V, T c) P, T d) n, T e) P, n 7. A sample of hydrogen gas was collected over water at 21°C and at a pressure equal to the atmospheric
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Gas_laws_review_questions - 1. A 0.850-mole sample of...

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