What is Hess's law?

1 Answer
Apr 16, 2016

A restatement of the principle of conservation of energy.


Hess' law of heat summation states that the enthalpy change of a chemical reaction depends upon the initial and final states of the chemical reaction, and is independent of path.

Another way of saying this is:

#"TANSTAAFL, There Ain't No Such Thing As A Free Lunch"#