Which of the following reactions shows that the formation of NO2 requires 33.1 kJ/mol?A.N(g) + 2O(g) NO2(g) + 33.1 kJB.N2(g) + O2(g) + 33.1 kJ NO2(g)C.N(g) + O(g) + 33.1 kJ NO2(g)D.N2(g) + O2(g) NO2(g) + 33.1 kJSUBMITarrow_backPREVIOUS
Question
Which of the following reactions shows that the formation of NO2 requires 33.1 kJ/mol?A.N(g) + 2O(g) NO2(g) + 33.1 kJB.N2(g) + O2(g) + 33.1 kJ NO2(g)C.N(g) + O(g) + 33.1 kJ NO2(g)D.N2(g) + O2(g) NO2(g) + 33.1 kJSUBMITarrow_backPREVIOUS
Solution
The correct answer is B. N2(g) + O2(g) + 33.1 kJ NO2(g). This reaction shows that the formation of NO2 requires 33.1 kJ/mol. The energy is on the reactants side, indicating that it is absorbed in the reaction, which is characteristic of an endothermic process.
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