Note AcademyNote Academy
Start

Chemistry · Oct / Nov 2023 · Paper 12 · Question 14

5070Exothermic and endothermic reactions

Nitrogen and oxygen react as shown. N2(g) + 2O2(g) → 2NO2(g) The enthalpy change for the reaction shown is +66 kJ. If two moles of nitrogen and two moles of oxygen are used, what will be the enthalpy change?

  1. A+16.5 kJ
  2. B+33 kJ
  3. C+66 kJ
  4. D+132 kJ

As printed in the paper

Show the answer

Correct answer: C. +66 kJ

Sit this whole paper →More on Exothermic and endothermic reactions

Make a free account to save your answers and see your weak topics and ask the AI why a wrong answer is wrong.