Consider the reaction represented by the following equation: N 2 (g) + 3H 2 (g)
CHEMISTRY
WAEC 2007
Consider the reaction represented by the following equation: N2(g) + 3H2(g) ⇌ 2NH3(g); ΔH = - 92kJ/mol. Finely divided iron is used as catalyst in the reaction in order to
- A. lower the value of ΔH
- B. increase the time for attainment of equilibrium
- C. shorten the time for attainment of equilibrium
- D. decrease the yield of ammonia
Correct Answer: C. shorten the time for attainment of equilibrium
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