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CO(g) + 2 H2(g) ⇄ CH3OH(g) DH < 0 The synthesis of CH3OH(g) from CO(g) and H2(g) is represented by tEquilibrium Chemistry Question

Question

CO(g) + 2 H2(g) ⇄ CH3OH(g) DH < 0

The synthesis of CH3OH(g) from CO(g) and H2(g) is represented by the equation above. The value of Kc for the reaction at 483 K is 14.5.

A 1.0 mol sample of CO(g) and a 1.0 mol sample of H2(g) are pumped into a rigid, previously evacuated 2.0 L reaction vessel at 483 K. Which of the following is true at equilibrium?

A.

[H2] = 2[CO]

B.

[H2] < [CO]

✓ Correct
C.

[CO] = [CH3OH] < [H2]

D.

[CO] = [CH3OH] = [H2]

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