1.

An ideal gas is confined to a container whose volume is fixed. If the container holds n moles of gas, by what factor will the pressure increase if the absolute temperature is increased by a factor of 2?

Answer»

<P>`(2)/((nR))`
`2`
`2nR`
`(2)/(n)`

Solution :Because the gas is confined, n remains constant, and because we're told the volume is FIXED, V remains constant as WELL. Since R is a universal constant, the ideal gas law, PV=nRT, tells US that P and T are proportional. Therefore, if T increases by a FACTOR of 2, then so does P.


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