October 27, 2016

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:

Hessí 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 Hessís law using combustion of Ethanol.
To test this and the acceptability of Hessís law, the molar enthalpy of combustion of Ethanol is determined calorimetrically.

You did not write an experimental design.

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