The table below shows standard entropies, S⊖S^\ominusS⊖.
| Substance | H2(g)\text{H}_2(\text{g})H2(g) | O2(g)\text{O}_2(\text{g})O2(g) | H2O(l)\text{H}_2\text{O}(\text{l})H2O(l) |
|---|---|---|---|
| S⊖ / J K−1 mol−1S^\ominus\text{ / J K}^{-1}\text{ mol}^{-1}S⊖ / J K−1 mol−1 | 131 | 204 | 70 |
What is the standard entropy change, ΔS⊖\Delta S^\ominusΔS⊖, in J K−1 mol−1\text{J K}^{-1}\text{ mol}^{-1}J K−1 mol−1, for the formation of 1 mol of H2O(l)\text{H}_2\text{O}(\text{l})H2O(l) from H2(g)\text{H}_2(\text{g})H2(g) and O2(g)\text{O}_2(\text{g})O2(g)?
−326-326−326
−163-163−163
+163+163+163
+326+326+326
