Question

5) Explain what changes are observed in the UV-B intensity at ground level during ozone hole episodes.

6) Perform a steady-state analysis on the 3-step reaction mechanism below. Assume that both ozone and atomic oxygen are in a steady state, and derive an expression for the ratio of [NO₃]/[NO].

NO_{2 -->} NO + O

O+ O_{2 -->} O₃

NO + O_{3 -- >} NO₂+ O₂

Answer 1