Frequently Asked Question

Questions asked by users might not always be phrased in the clearest way.

Hess law

Accepted Answer

Hess's Law is a tool that can be used to calculate the enthalpy change of a reaction from the enthalpy changes of other reactions. It states that the total enthalpy change for a reaction is equal to the sum of the enthalpy changes for the individual steps of the reaction. This law can be used to calculate the enthalpy change for a reaction that is not possible to measure directly.


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