Given the following information: 
calculate the net change in energy for the reaction 2Li(s) + 2HCl(g) → 2LiCl(s) + H2(g)
Definitions:
Symmetry-Allowed
In quantum chemistry, a process or transition is symmetry-allowed if it does not violate symmetry rules governing molecular transformations.
Reaction Outcome
The final products, yields, and implications of a chemical reaction based on the reactants and conditions employed.
Major Organic Product
The primary substance produced with the highest yield in a reaction involving organic compounds.
Organic Reaction
A chemical reaction involving organic compounds, leading to the transformation or creation of new organic molecules.
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