Chapter 18, Problem 22E

Which of the following reactions in the stratosphere cause an increase in temperature there?

$\begin{array}{l}\text{(a)}\text{O(g)}\text{+}{\text{O}}_{\text{2}}\text{(g)}\to {\text{O}}_{\text{3}}^{\text{*}}\text{(g)}\\ \text{(b)}{\text{O}}_{\text{3}}^{\text{*}}\text{(g)}\text{+}\text{M(g)}\to {\text{O}}_{\text{3}}\text{(g)}\text{+}{\text{M}}^{\text{*}}\text{(g)}\\ \text{(c)}{\text{O}}_{\text{2}}\text{(g)}\text{+}\text{hν}\to \text{2O(g)}\\ \text{(d)}\text{O(g)}\text{+}{\text{N}}_{\text{2}}\text{(g)}\to \text{NO(g)}\text{+}\text{N(g)}\\ \text{(e)}\text{All}\text{of}\text{the}\text{above}\end{array}$