Which of the following will occur when a gas undergoes expansion? 1. The pressure of the gas increases. 2. Molecular collisions decrease. 3. The gas temperature increases
a. 1 and 2 only
b. 2 and 3 only
c. 2 only
d. 1 and 3 only
ANS: C
If a gas-filled container could be enlarged, the gas would expand to occupy the new volume. Figure 6-19 illustrates the concepts of gas compression and expansion.
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Indicate whether the statement is true or false.
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a. true b. false