Explanation:
Reversible reactions that happen in a closed system eventually reach equilibrium. At equilibrium, the concentrations of reactants and products do not change. But the forward and reverse reactions have not stopped - they are still going on, and at the same rate as each other.
Has 9 protons and 9 electrons in per atom.........
Answer:
A pure substance has a definite chemical composition
The correct answer is radiant, radiant that get transferred into chemical energy
