Physics

Problem

A cylinder with fixed capacity of

67.2 \text{ lit}

contains helium gas at STP. The amount of heat needed to raise the temperature of the gas by

20^\circ\text{C}

is : [Given that

R = 8.31 \text{ J mol}^{-1} \text{ K}^{-1}

] a. 350 J b. 374 J c. 748 J d. 700 J