According to Boyle's law, a gas's pressure and the volume it takes up are inversely related. As a result, the correct answer is that the volume will decrease by 3.0 times the actual volume when the absolute temperature is increased by a factor of 3.0 (at constant P).
Boyle's law can be stated as: Pressure is inversely proportional to the volume
P ∝ 1/V
PV=nRT
The volume of a gas is directly proportional to its absolute temperature. More specifically, for a fixed mass of gas at constant pressure, the volume (V) is directly proportional to the absolute temperature (T). This is Charles' Law.
V = kT, where k is a proportionality constant.
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