Chemistry 9701 · AS & A Level · Chemical energetics

Chemical energetics — practice question

The following two reactions are given. $\text{H}_2(g) \rightarrow 2\text{H}(g)$ $\text{CO}(g) + \tfrac{1}{2}\text{O}_2(g) \rightarrow \text{CO}_2(g)$ When molar quantities are taken, how may the two energy changes linked to these reactions be identified?

  • Aenthalpy of atomisation and enthalpy of combustion
  • Benthalpy of atomisation and enthalpy of formation
  • Cbond energy and enthalpy of combustion
  • Dbond energy and enthalpy of formation

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