At , the equilibrium constant for the gas-phase reaction is . Assuming the standard…

CHEMISTRY · Single correct · AP · Chemistry · Thermodynamics and Electrochemistry · Thermodynamics and Electrochemistry

Problem

298\,\text{K}

, the equilibrium constant for the gas-phase reaction

\text{E}\rightleftharpoons\text{F}

K_{298}=2.5\times10^{4}

. Assuming the standard free energy change remains constant with temperature, what is the predicted value of

K

450\,\text{K}

? (Use

R=8.314\;\text{J mol}^{-1}\,\text{K}^{-1}

.) (a)

3.0\times10^{1}

(b)

1.6\times10^{4}

(c)

8.1\times10^{2}

(d)

5.5\times10^{3}