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What is the heat evolved or absorbed during a chemical reaction under constant pressure conditions called?
- A Heat of reaction
- B Heat of fusion
- C Heat of vaporization
- D Heat capacity
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The heat of reaction quantifies the energy change associated with these bond-breaking and bond-forming processes. If the heat is absorbed, the heat of reaction is positive (ΔH>0), and if the heat is released, the heat of reaction is negative (ΔH<0). Understanding the heat of reaction is crucial for predicting and controlling the energetic aspects of chemical reactions.
