At elevated temperatures, hydrogen iodide may decompose to form hydrogen gas and iodine gas, as follows. 2HI(g)
H2(g) + I2(g)
In a particular experiment, the concentrations at equilibrium were measured to be [HI] = 0.85 mol/L, [I2] = 0.60 mol/L, and [H2] = 0.27 mol/L. What is Kc for the above reaction?
A) 5.3
B) 0.22
C) 4.5
D) 0.19
E) 1.6 × 102
Correct Answer:
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