Define enthalpy change in a chemical reaction.

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∻Solution∻ ‖ 1 ⋮ **Define enthalpy change**: Enthalpy change in a chemical reaction refers to the heat absorbed or released under constant pressure. It is denoted by $\Delta H$. ‖ ‖ 2 ⋮ **Mathematical expression**: The enthalpy change for a reaction can be expressed as $\Delta H = H_{ ext{products}} - H_{ ext{reactants}}$, where $H_{ ext{products}}$ is the enthalpy of the products and $H_{ ext{reactants}}$ is the enthalpy of the reactants. ‖ ∻Answer∻ ⚹ The enthalpy change in a chemical reaction is the heat absorbed or released at constant pressure, calculated as the difference in enthalpy between the products and the reactants. ⚹ ∻Key Concept∻ ⚹ Enthalpy Change ($\Delta H$) ⚹ ∻Explanation∻ ⚹ Enthalpy change is the difference in heat content between reactants and products at constant pressure. It is a central concept in thermochemistry and is used to determine whether a reaction is endothermic or exothermic. ⚹◊What is the equation used to calculate the enthalpy change in a chemical reaction?⍭ Generate me a similar question◊

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