Question

The conversion of potential energy in coal into the kinetic energy that heats steam is an expression of:

the first law of thermodynamics
the second law of thermodynamics
both laws
neither law

In an endergonic reaction, how does the energy level of the products compare to the energy level of the reactants?
the reactants have a higher energy level
the reactants have a lower energy level
there is no change in energy level
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