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15. From the following values of H and S decide whether these reactions will be spontaneous or non-spontaneous at 298 K. Reaction (i); H = –10.5 × 103 J mol–1 S = +31 J K–1 mol–1 Reaction (ii); H = –11.7 × 103 J mol–1 S = –105 J K–1 mol–1 |
| Answer» 15. From the following values of H and S decide whether these reactions will be spontaneous or non-spontaneous at 298 K. Reaction (i); H = –10.5 × 103 J mol–1 S = +31 J K–1 mol–1 Reaction (ii); H = –11.7 × 103 J mol–1 S = –105 J K–1 mol–1 | |