An ideal gas is confined to a container with constant volume.The number of moles is constant.By what factor will the pressure change if the absolute temperature triples?
A) 1/9
B) 1/3
C) 3.0
D) 9.0

Question

Quizplus · Accepted Answer

According to the ideal gas law, PV = nRT, if the volume (V) and the number of moles (n) are constant, then P/T = constant or P1/T1 = P2/T2. Therefore, if the temperature (T) triples (i.e., T2 = 3T1), the pressure (P) will also triple (i.e., P2 = 3P1). Thus, the factor by which the pressure changes is (P2/P1) = 3.0. Therefore, the best choice is C) 3.0.

An Ideal Gas Is Confined to a Container with Constant