Questions 34 and 35 should both be answered with reference to this reaction, for which ∆Ho is negative.
2NO(g) + O₂(g) ⇌ 2NO₂(g)
At a certain temperature the equilibrium concentrations for this system are:
[NO] = 0.52M; [O₂] = 0.24M; [NO₂] = 0.18M.
What is the value of KC at this temperature?

Question

Questions 34 and 35 should both be answered with reference to this reaction, for which ∆Ho is negative.
2NO(g) + O2(g) ⇌  2NO2(g)
At a certain temperature the equilibrium concentrations for this system are:
[NO] = 0.52M; [O2] = 0.24M; [NO2] = 0.18M.
What is the value of KC at  this temperature?

Accepted Answer

Correct answer: B.

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