General Chemistry 1 Midterm - Part 4 of 4
SAMPLE
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8. Thermochemistry / Hess's Law / Problem 27
Problem 27
Consider the dissolution of CaCl2. Determine ΔH for the reverse reaction.
CaCl2(s) → Ca2+(aq) + 2 Cl–(aq) ΔH = –81.5 kJ/mol
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