Part B The following reaction was performed in a sealed vessel at 742 °C:
H2(g) +12(g) =
=2HI(g)
Initially, only H, and I were present at concentrations of (H2) = 3.90M and [12] = 2.85 M. The equilibrium
concentration of I, is 0.0100 M. What is the equilibrium constant, Kc, for the reaction at this temperature?
Express your answer numerically.
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