Physics

Problem

The molar heat capacity of a diatomic gas at constant pressure is : a.

8.314 \text{ JK}^{-1} \text{ mol}^{-1}

20.8 \text{ JK}^{-1} \text{ mol}^{-1}

29.1 \text{ JK}^{-1} \text{ mol}^{-1}

28.0 \text{ JK}^{-1} \text{ mol}^{-1}