A sample of carbon dioxide gas at 125°C and 248 torr occupies a volume of 275 L. What will the gas pressure be if the volume is increased to 321 L at 125°C?
A)212 torr
B)289 torr
C)356 torr
D)441 torr
E)359 torr

Question

Quizplus · Accepted Answer

The pressure of the gas decreases when the volume increases at constant temperature, according to Boyle's Law (P1V1 = P2V2). Solving for P2 gives P2 = (P1V1)/V2 = (248 torr * 275 L) / 321 L = 212 torr.

A Sample of Carbon Dioxide Gas at 125°C and 248