Equilibrium occurs when forward and reverse directions of a reversible reaction occur at the same rate so there is no overall change in the amounts of reactants and products.
Answer:
The answer remains the same. The total amount of energy stays the same because the 1st Law of Thermodynamics states that energy can neither be created nor destroyed, it can only change forms. So the chemical energy is just being converted into heat and light.
Explanation:
hope this helps...
(20/23) times 100 is 87%
now the answer asks for percentage ERROR
100-87 =13
so answer is C