Chemistry

Problem

The standard internal energy change during the course of reaction at equilibrium at

300 \text{ K}

2A_g + B_g \rightleftharpoons A_2B_g

is : (Given,

K_p = 10^{-10} \text{ atm}^{-2}

and

\Delta S^\circ = 5 \text{ JK}^{-1}

) a.

-63.93 \text{ kJ}

+63.93 \text{ kJ}

+58.94 \text{ kJ}

-58.94 \text{ kJ}