The temperature of an ideal gas in a sealed 0.40 m³ container is reduced from 400 K to 270 K. The final pressure of the gas is 30 kPA. The molar heat capacity at constant volume of the gas is 28.0 J/mol · K. The work done by the gas is closest to A) 0.00 kJ. B) -19 kJ. C) -25 kJ. D) 19 kJ. E) 25 kJ.

Question

Quizplus · Accepted Answer

In a sealed container, the volume is constant, so no work is done by the gas (W = 0) because work done by a gas is given by W = PΔV, and ΔV = 0.

The Temperature of an Ideal Gas in a Sealed 0