June 2023 NY Regents Chemistry Exam
18. In chemical reactions, which term is defined as the difference between the potential energy of the products and the potential energy of the reactants? (1) heat of fusion (2) heat of reaction (3) thermal conductivity
(4) electrical conductivity
Solution: Heat of reaction is defined as the difference between the potential energy of the products and the potential energy of the reactants.
Answer: 2
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