21. Which of the following is true?
(A)As long as the disorder of the surroundings is increasing, a process will be spontaneous.
(B)For any process, \(\Delta S_{surr}\) and \(\Delta S_{sys}\) have opposite signs.
(C)If \(\Delta S_{surr} = -\Delta S_{sys}\), the process is at equilibrium.
(D)\(\Delta H^\circ\) is zero for a chemical reaction at constant temperature.
(E)None of these

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