1. Which will result in greater pressure?
A decrease in temperature at constant v
B. decrease in amount of the gas at constant V, T
C. decrease in kinetic energy at constant v
D. increase in volume of the gas at constant T
2. Which is TRUE when comparing 1.0 mol H2(g) and 2.0 mol He(g) at STP?
A. The absolute temperature of H2 is greater than He
B. The volume of H2 is less than He
C. He diffuses twice as fast as H
D. The partial pressure of H2 is greater than He
3. If the absolute temperature of a gas triples, what happens to its volume?
A. increased by 75 %
B. triples
C. reduced to one-third
D. no effect
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Answer:
1.B
2.A
3.C
Explanation:
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