How it works
ΔH = H(products) - H(reactants).
A negative ΔH indicates an exothermic reaction; a positive ΔH indicates an endothermic reaction.
The total energy scales with the number of moles that react.
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Chemistry · Thermochemistry
Thermochemistry Calculator
Calculate enthalpy changes and identify exothermic or endothermic reactions.
Enthalpy
Fill in the fields and see the result with the formula used.
Result
Fill in the required data to see the result.
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