Which statement best expresses the second law of thermodynamics in terms of entropy?
CHEMISTRY · Single correct · A Level · Chemistry · Thermodynamics · Thermodynamics
Problem
Which statement best expresses the second law of thermodynamics in terms of entropy?
(a) The total energy of an isolated system remains constant.
(b) The entropy of a closed system always increases, regardless of energy exchanges.
(c) The total entropy of an isolated system can never decrease.
(d) The entropy of the universe is constant because energy is conserved.