What is the energy change if 84.0 g of calcium oxide (CaO) reacts with excess water in the following reaction?
CaO (s) + H2O(l) Ca(OH) 2 (s) H = -65.2 kJ/mol
65.2 kJ of heat is absorbed by the reaction.
98 kJ of heat is absorbed by the reaction.
65.2 kJ of heat is released by the reaction.
98 kJ of heat is released by the reaction.
Jan 10, 2018EXPERT
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