3/2RTNA3 / 2 \frac{\mathrm{RT}}{\mathrm{N}_{\mathrm{A}}}3/2NART
3/2nRT3 / 2 \mathrm{nRT}3/2nRT
3/2RT3 / 2 \mathrm{RT}3/2RT
2/3RT2 / 3 \mathrm{RT}2/3RT