2. What is the density of methane at 1.00 atm and 298^oK?
0.327 g/L 0.654 g/L 1.308 g/L 4.26 g/L None of the above

3. At constant temperature, pressure, and volume, which gas has the most molecules?
He H₂ Cl₂ F₂ All of the above

4. What is the root mean square velocity of methane (CH₄) at 273^oK?
1 m/s 1304 m/s 310 m/s 652 m/s 16 m/s

5. At 298^oK, 800. torr, and 250. mL of gas has a mass of 4.62 grams. What is its molecular weight?
300 46 3.21 0.0107 429

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