Enthalpy of Reaction
Definition
The total energy change that happens during a chemical reaction, measured at constant pressure.
Analogy
Think about baking cookies. You start with raw ingredients (reactants) and end up with delicious cookies (products). The difference in energy between your starting ingredients and your finished cookies is like the enthalpy of reaction.
Related terms
Exothermic Reaction: A type of chemical reaction where heat is released into surroundings.
Endothermic Reaction: A type of chemical reaction where heat is absorbed from surroundings.
Activation Energy: The minimum quantity of energy which colliding molecules must have for successful reactions.
"Enthalpy of Reaction" appears in:
Resources
© 2024 Fiveable Inc. All rights reserved.
AP® and SAT® are trademarks registered by the College Board, which is not affiliated with, and does not endorse this website.