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The temperature of a gas is held constant whereas its volume is reduced.
The pressure the gas exerts on the walls of its container enhances because its molecules:
a) strike the container walls more often
b) strike the container walls with higher speeds
c) strike the container walls with greater force
d) all of the above
Ans- Strike the container walls more often
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A universe is spatially flat, and contains both matter and a cosmological constant. For what value of Om,0 is t0 exactly equal to H0 -1?
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