Chemistry
Hess's law
Hess's law is a chemical quantity describing composition, amount, or material properties.
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ΔHᵣ = ΣΔHf(products) − ΣΔHf(reactants)
- 01Given
- 02Calculation
- 03Answer
What it means
Hess's law is a chemical quantity describing composition, amount, or material properties.
How it works and where it is used
Use this calculation for evaluating reaction kinetics, thermodynamics, electrochemistry, and gas or solution properties.