A chemical reaction at 298 ,K has a standard free-energy change of

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

Problem

A chemical reaction at 298\,K has a standard free-energy change of

\Delta G^{\circ} = -40.0\,\text{kJ mol}^{-1}

. What is the approximate value of the equilibrium constant

K

at this temperature? (a)

1\times10^{-7}

(b)

1\times10^{1}

(c)

1\times10^{7}

(d)

1\times10^{16}