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Questions 43-46 refer to the following information. 2 NO2(g) ⇄ N2O4(g) dark brown colorless The dimeEquilibrium Chemistry Question

Question

Questions 43-46 refer to the following information.

2 NO2(g) ⇄ N2O4(g)
dark brown colorless

The dimerization of NO2(g), an exothermic process, is represented by the equation above.

  1. A mixture of NO2(g) and N2O4(g) is at equilibrium in a rigid reaction vessel. If the temperature of the mixture is decreased, then
A.

[NO2] will increase and the mixture will turn a darker brown

B.

[N2O4] will increase and the mixture will turn a lighter brown

✓ Correct
C.

[N2O4] will decrease and the mixture will turn a lighter brown

D.

no change will be observed

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