Which of the Following Is an Exothermic Process?
$\rightarrow$ Li⁺ (G) + E^-
B) NH₃(g)

Which of the following is an exothermic process?

A) Li(g) $\rightarrow$ Li⁺ (g) + e^-
B) NH₃(g) $\rightarrow$ N (g) + 3 H
C) C(g) + 2 O(g) $\rightarrow$ CO₂(g)
D) all of these
E) none of these