Which of the Following Is True for All Exergonic Reactions

Which of the following is true for all exergonic reactions?

A) The products have more total energy than the reactants.
B) The reaction proceeds with a net release of free energy.
C) The reaction goes only in a forward direction: all reactants will be converted to products, but no products will be converted to reactants.
D) A net input of energy from the surroundings is required for the reaction to proceed.