Question

For which change $\Delta H \neq \Delta E$ :
(a) $H_2(g) + I_2(g) \rightarrow 2HI(g)$
(b) $HCl + NaOH \rightarrow NaCl$
(c) $C_{(s)} +O_2_{(g)} \rightarrow CO_2_{(g)}$(d) $N_2(g) + 3H_2(g) \rightarrow 2NH_3(g)$

Answer 1

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