Consider the following reaction at 25°C for which ΔH0 is −26.9 kJ and ΔS0 is 11.4 J/K. Evaluate the equilibrium constant, Kp, for the reaction at 25°C. R = 8.314 J/mol•K
I2(g) + Cl2(g) 2ICl(g)
a. 3.6 × 10^6
b. 4.2 × 10^3
c. 2.0 × 10^5
d. 6.7 × 10^8
e. 4.9 × 10^−6
Answer: c. 2.0 × 10^5