Question

Consider the reaction : $N_2 + 3H_2 \rightarrow 2NH_3$ carried out at constant temperature and pressure. If $\Delta H$ and $\Delta U$ are the enthalpy and internal energy changes for the reaction, which of the following expressions is true ?(a) $\Delta H$ > $\Delta U$ (b) $\Delta H$ < $\Delta U$(c) $\Delta H$ = $\Delta U$(d) $\Delta H$ = 0

Answer 1

Here is the answer......