At , the equilibrium constant for a certain gaseous reaction is measured to be .…

CHEMISTRY · Single correct · A Level · Chemistry · Thermodynamics · Thermodynamics

Problem

500\,\text{K}

, the equilibrium constant

K

for a certain gaseous reaction is measured to be

1.00

. Which of the following values for

\Delta G^{\circ}

500\,\text{K}

is most consistent with this observation? (a)

-15\,\text{kJ mol}^{-1}

(b)

-4.2\,\text{kJ mol}^{-1}

(c)

+15\,\text{kJ mol}^{-1}

(d)

0\,\text{kJ mol}^{-1}