A)Alegeți reacția care NU este un proces redox:a) 2KClO3→ 2KCl + 3O2b) H2S + Cl2→ 2HCl + Sc) SiO2+ 4HF → SiF4 + 2H2Od) C + H2O → CO + H2B)În care compus, clorul are cea mai mare valoare a N. O.?HOCl, CaCl2, KClO4, NaClO2, KClO3C)Indicați hidrura în care hidrogenul are N. O. = -1:PH3, HBr, CsH, H2Se, H2O. D) Ce procese au loc în transformările:a) S+4→ S+6b) S-2→ S+4c) Cl-1→ Cl0d) Mn+7 → Mn+2

The lattice enthalpy (formation of ionic solid from ions in the gas phase) for agcl(s) is -916 kj/mol and the hydration enthalpy (dissolution of gaseous ions into water) is -850 kj/mol. how much heat (in joules) is involved in forming 1l of saturated agcl solution (1.8 × 10-4 g / 100 ml water) by dissolving agcl(s)? assume solution volume does not change much upon dissolution. the equations are given below. ag+(g) + cl−(g) æ agcl(s)