Consider the reaction represented by the following equation: N2(g) + 3H2(g) ⇌ 2NH3(g); ∆H = – 92kJmol1. Finely divided iron is used as catalyst in the reaction in order to
-
A.
lower the value of ∆H -
B.
increase the time for attainment of equilibrium -
C.
shorten the time for attainment of equilibrium -
D.
decrease the yield of ammonia