2 CO₂ (g) 2 CO(g) + O₂(g)

The reaction above is shown experimentally to be second order
with respect to CO₂. Is the following mechanism consistent with
this data? Justify your answer.
CO₂ + CO₂ —> CO₂ + CO (slow)

CO₂ + CO —> 2 CO + O₂ (fast)