What is Heat of Reaction (Enthalpy of Reaction)?

Heat of reaction, or enthalpy of reaction, describes the change of energy content when reactants are converted into materials. The heat of reaction is an essential parameter to safely and successfully scale up chemical processes:

Heat of reaction is the energy that is released or absorbed when chemicals are transformed in a chemical reaction. It describes the change in the energy content when reactants are converted into products. While a reaction can be exothermic (heat releasing) or endothermic (heat absorbing), most of the reactions performed in the chemical and pharmaceutical industries are exothermic. Among others, the heat of reaction is one of the thermodynamic properties used in chemical development, scale-up, and safety to scale processes from the lab scale to manufacturing. The heat of reaction, or reaction enthalpy, is typically expressed as molar enthalpy in kJ/mol or as specific enthalpy in kJ/kg or kJ/L.

Heat of Reaction Basics: https://www.mt.com/us/en/home/applica...
Heat Flow Calorimetry Basics:    • What is Heat Flow Calorimetry? - Over...  
Endothermic vs Exothermic Reactions:    • Endothermic vs Exothermic Reaction Ex...  

0:04 - Heat of Reaction Definition
0:10 - Exothermic vs Endothermic Reactions
0:28 - What is Reaction Enthalpy?

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