42 Mol of Oxygen and 4

question 38

Multiple Choice

4.2 mol of oxygen and 4.0 mol of NO are introduced to an evacuated 0.50 L reaction vessel. At a specific temperature, the equilibrium 2NO(g) + O₂(g) ⇌ 2NO₂(g) is reached when [NO] = 1.6 M. Calculate K_c for the reaction at this temperature.

• A) K_c = 3.1
• B) K_c = 3.3
• C) K_c = 3.5
• D) K_c = 3.7
• E) None of the above

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Definitions:

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Income Statement

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