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A chemical reaction that releases heat to the surroundings is said to be __________ and has a __________ ΔH at constant pressure.
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A chemical reaction that releases heat to the surroundings is said to be __________ and has a __________ ΔH at constant pressure.

User Jian Guo
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Step-by-step explanation:

A chemical reaction that has a positive ΔH is said to be endothermic, while a chemical reaction that has a negative ΔH is said to be exothermic.

User Tye
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