Which of the following statements are TRUE? Circle all the correct answers.
a) Reactions that are spontaneous always have products that are more stable than reactants.
b) Reactions that are spontaneous always have products that are more disordered than reactants.
c) Reactions that are spontaneous could be fast or slow.
d) Reactions that are spontaneous always increase the entropy of the surroundings.
e) Reactions that are spontaneous always increase the energy of the universe.