Question

Can the absolute energy states of the reactants (E1) and products (E2) be measured in a chemical reaction?

Answer 1

No it can not the absolute energy states of the reactants (E1) and products (E2) be measured in a chemical reaction
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Answer 2

Answer:

No we cannot measure absolute energy states.

Explanation:

The absolute energy state means the internal energy of any molecule, either reactant or product. We cannot measure the internal energy of any reactant or product as internal energy or absolute energy is sum of all kind of energy including kinetic energy, vibration energy etc.

However we can measure the changes in these energy during any chemical process.