Multiple Choice
In which of the following reactions will K_c = K_p?
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Partial pressures of the following equilibrium mixture at 955 K are: 130 torr methane, 92 torr hydrogen sulfide, 167 torr hydrogen gas and 532 torr carbon disulfide. What is the value of Kc at 955 K?
CH4(g) + 2 H2S(g) ⇌ 4 H2(g) + CS2(g)
Consider the hypothetical reaction: ? X(g) + 3 Y(g) ⇌ 3 Z(g), where Kp = 1.16 x 10–3 and Kc = 1.3 at 135°C. Find the value of the coefficient of X.
For which reaction(s) will Kp = Kc?
a) N2(g) + O2(g) ⇌ 2 NO(g)
b) CaCO3(s) ⇌ CaO(s) + CO2(g)
c) 2 CH4(g) ⇌ C2H2(g) + 3 H2(g)
d) H2O(g) + CO(g) ⇌ H2(g) + CO2(g)
Select the correct choice below for the reaction: PCl5(g) ⇌ PCl3(g) + Cl2(g)