what is the maximum number of grams of sodium chloride that you could dissolve in 500 grams of water at 20 C

The flowers in a flower arrangement are actually alive

Answer(2) electrons;

In reversible reaction chemistry equilibrium is attained when the forward and reverse reactions are taking place at the same rate, thus, the concentrations of reactants and products remain the same. a reversible reaction is a chemical reaction where the reactants form products that, in turn, react together to give the reactants back. in irreversible reactions on the other hand, the reactants react to form the products, which cannot revert back into reactants.