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What is Energy Changes in Exothermic and Endothermic Reactions about?

Thermochemistry is the study of heat changes that occur during chemical reactions. The document defines exothermic and endothermic reactions. Exothermic reactions release heat to the surroundings and have a negative enthalpy change (ΔH). Endothermic reactions absorb heat from the surroundings and have a positive enthalpy change. Energy level diagrams are provided to illustrate exothermic and endothermic reactions. Examples of common exothermic and less common endothermic reactions are given. The key points

Author

Prema Raghavan

Language

EN