AP Chemistry Intro to Unit 6 Packet
Автор: Bies Chem
Загружено: 2026-01-27
Просмотров: 53
Описание:
In this video, we break down Hess’s Law and how it’s used to calculate the enthalpy change (ΔH) for a reaction. You’ll learn why enthalpy is a state function, meaning the total energy change depends only on the reactants and products, not the pathway taken.
We walk through:
What Hess’s Law means conceptually
How to manipulate chemical equations correctly
When and why to flip ΔH signs
How to scale ΔH when coefficients change
How to cancel intermediates and calculate ΔH₍rxn₎
#APChemistry #Thermodynamics #HessLaw #Enthalpy #DeltaH #ChemistryHelp #APExam #APChemUnit6
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