What information does Gibbs free energy give about a reaction? A. It tells how quickly the reaction will proceed to equilibrium.
B. It tells if the reaction will proceed spontaneously or not.
C. It tells what the activation energy of the forward reaction is.
D. It tells what the most stable forms of the products are.

Two changes are described below. a green banana turns yellow and ripens. a layer of rust forms on an iron nail. which statement is true about the two changes? a) both are chemical changes because new substances are formed. b) both are physical changes because only the physical state of the substances change. c) a is a physical change due to a change of state, but b is a chemical change because new molecules are formed. d) a is a chemical change due to a change of state, but b is a physical change because new molecules are formed.