Chemistry 9701 · AS & A Level · Chemical energetics

Chemical energetics — practice question

The reaction between carbon and oxygen is given. $\text{C(s)} + \frac{1}{2}\,\text{O}_2(\text{g}) \rightarrow \text{CO(g)}$ Which description best matches the enthalpy change for this reaction?

  • A1, 2 and 3 are correct
  • B1 and 2 only are correct
  • C2 and 3 only are correct
  • D1 only is correct

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