Homework Help: chem experiment:

Posted by rob on Thursday, May 17, 2007 at 11:23am.

You are required to design an experiment to test Hess's law using the combustion of ethanol. Write a brief design for this experiment.

What I wrote as my answer:

Hess’ Law: is the algebraic addition of chemical equations yields a net equation whose enthalpy of reaction is the algebraic sum of the individual enthalpies of reaction: ∆H net =[sum]∆H
The following experiment is a test of Hess’s law using combustion of Ethanol.
To test this and the acceptability of Hess’s law, the molar enthalpy of combustion of Ethanol is determined calorimetrically.

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