Dinitrogen tetraoxide and nitrogen dioxide are two gases that exist in equilibrium at a range of temperatures. NO2 is a reddish brown gas wh colorless.
If we represent the equilibrium as: 2 NO2(g) ⇌ N2O4(g)
We can conclude that:
1. This reaction is:
a) Exothermic b) Endothermic c) Neutral d) More information is needed to answer this question.