When potassium iodide dissolves in water, the beaker becomes warm. Which statement best describes this process? A) The ΔHsolvation is exothermic and the overall ΔHsolution is exothermic. B) The ΔHsolvation is exothermic but the overall ΔHsolution is endothermic. C) The ΔHsolvation is endothermic but the overall ΔHsolution is exothermic. D) The ΔHsolvation is endothermic and the overall ΔHsolution is endothermic.

Given the data below for the reaction, 2 a + 2 b + 4 c => d + e + 3 f, the reaction is fill in the [ ] order in a, fill in the [ ] order in b, fill in the [ ] order in c and fill in the [ ] order overall. (use the words "first, second, third, fourth" to fill each blank)experimentinitial conc of a, mol/l initial conc of b, mol/l initial conc of c, mol/l initial rate, mol/l.s1 0.1 0.1 0.2 2 x 10-32 0.2 0.3 0.2 6 x 10-33 0.3 0.1 0.2 2 x 10-34 0.4 0.3 0.4 1.2 x 10-2