modeling chemistry ws answers unit 9
ext{CO}_2 + 4\text{H}_2\text{O} \] Explanation: Start with the carbon atoms: 3 in propane (\(\text{C}_3\text{H}_8\)), so produce 3 \(\text{CO}_2\) molecules to balance carbon. Then, hydrogen atoms: 8 in propane, so produce 4 \(\text{H}_2\text{O}\) molecules to balance hydrog