A reaction involving carbon and oxygen is given. $\text{C(s)} + \frac{1}{2}\text{O}_2\text{(g)} \rightarrow \text{CO(g)}$ Which description correctly identifies the standard enthalpy change for this reaction?
- A1, 2 and 3
- B1 and 2 only
- C2 and 3 only
- D1 only