Saved Bookmarks
| 1. |
What are the uses of Hess law? |
| Answer» Hess\'s Law of Constant Heat Summation is useful in the determination of enthalpies of the following:[1]Heats of very slow reactionsHeats of formation of unstable intermediates like CO(g) and NO(g).Heat changes in phase transitions and allotropic transitions.Lattice energies of ionic substances by constructing Born-Haber cycles if the electron affinity to form the anion is known, orElectron affinities using a Born-Haber cycle with a theoretical lattice energy | |