The diagram below is a reaction pathway diagram. Which equation is represented by this reaction pathway diagram?
- A$\text{2H(g)} + \text{O(g)} \rightarrow \text{H}_2\text{O(g)}$
- B$\text{H}_2\text{(g)} \rightarrow \text{2H(g)}$
- C$\text{H}_2\text{O(g)} \rightarrow \text{H}_2\text{O(l)}$
- D$\text{2O(g)} \rightarrow \text{O}_2\text{(g)}$