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

Question

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.

You did not write an experimental design.