Thermochemo

Question 1

Hess’s Law

Answer 1

Heat that is lost or gained in a chemical process is equal whether the process is in one or multiple steps.

Question 2

Law of Conservation of Energy

Answer 2

Energy is never lost or destroyed in a reaction it just changes state

Question 3

Calculation using Enthalpies of Formation

Answer 3

By subtracting enthalpies of formation of products minus reactants. The enthalpy change of a whole reaction can be found