A gas originally occupies a volume of 0.5 m³ at a pressure of 100 kPa. It is slowly allowed to expand until the volume is 2.5 m³. Assuming the temperature is kept constant, the final pressure will be A) 500 kPa. B) 100 kPa. C) 50 kPa. D) 20 kPa. E) 10 kPa.

Question

Quizplus · Accepted Answer

According to Boyle's Law (P1V1 = P2V2), if the temperature is constant, the pressure and volume of a gas are inversely proportional. So, P2 = (P1V1)/V2 = (100 kPa * 0.5 m³) / 2.5 m³ = 20 kPa.

A Gas Originally Occupies a Volume of 0