According to the Second Law of Thermodynamics,
a. any process during which the entropy of the system increases will be product-favored.
b. any process during which the entropy of the universe increases will be product-favored.
c. any process which is endothermic will be product-favored.
d. the total amount of matter in the universe remains constant.
e. heat will always be transferred from a cooler object to a warmer object.