We’re being asked to calculate the equilibrium concentration of NO, given the following reaction:
N2(g) + O2(g) ⇌ 2 NO(g); Kc = 0.10
We're given the initial concentrations of the reactants:
[N2] = 0.15 M
[O2] = 0.15 M
From this, we can construct an ICE table:
The Kc expression for the reaction is:
Consider the reaction: N2(g) + O2(g) ⇌ 2 NO(g)
for which Kc = 0.10 at 2,000 °C. Starting with initial concentrations of 0.15 M N2 and 0.15 M O2, determine the equilibrium concentration of NO.
A. 0.020 M
B. 0.13 M
C. 0.0071 M
D. 0.014 M
E. 0.041 M
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