How to Calculate Enthalpy of Reaction – AP Chem Unit 6, Topic 6a

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In this video, Mr. Krug shows students how the change in enthalpy of a reaction (ΔH) can be incorporated into the stoichiometry of a reaction. He works a problem involving enthalpy and shows how heat changes can be calculated using simple reaction stoichiometry. He shows how a reaction can be manipulated and the resulting effects on change in enthalpy (ΔH). Finally, Mr. Krug demonstrates a common laboratory problem where the change in temperature of a substance can be used to determine the change in enthalpy of a simple chemical reaction in the chemistry lab.