8. Thermochemistry
Hess's Law
8. Thermochemistry Hess's Law
18PRACTICE PROBLEM
Consider the dissolution of CaCl2. Determine ΔH for the reverse reaction.
CaCl2(s) → Ca2+(aq) + 2 Cl–(aq) ΔH = –81.5 kJ/mol
Consider the dissolution of CaCl2. Determine ΔH for the reverse reaction.
CaCl2(s) → Ca2+(aq) + 2 Cl–(aq) ΔH = –81.5 kJ/mol