A cylinder containing an ideal gas has a volume of 2.0 m³ and a pressure of 1.0 x 10⁵ Pa at a temperature of 300 K.The cylinder is placed against a metal block that is maintained at 900 K and the gas expands as the pressure remains constant until the temperature of the gas reaches 900 K.The change in internal energy of the gas is +6.0 ´ 10⁵ J.How much heat did the gas absorb?

Question

Quizplus · Accepted Answer

The heat absorbed by the gas is equal to the change in internal energy plus the work done by the gas. Since the pressure is constant, the work done is PΔV. The volume change can be found using the ideal gas law, and the total heat absorbed is the sum of the internal energy change and the work done.

A Cylinder Containing an Ideal Gas Has a Volume of 2.0