Answer to Question #310175 in General Chemistry for Sab

Question

One mole nitrogen oxide, NO reacts with oxygen gas to produce a brown gas,NO2.

a. Write the thermochemical equation.

b. Is the reaction exothermic or endothermic. Show your solution

Answer 1

2NO + O₂ → 2NO₂

Assertion (A): For the reaction, 2NO (g) + O2 (g) 2NO2 (g) , increase in pressure favours the formation of NO2 Reason (R): The reaction is exothermic.