27. 60fa319f76a4e.jpg Which of the following reactions should be spontaneous under standard conditions?
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(A)I and Il are both nonspontaneous.
(B) I is nonspontaneous and II is spontaneous.
(C) I is spontaneous and Il is nonspontaneous.
(D) I and II are both spontaneous.

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統計： A(2), B(1), C(0), D(4), E(0) #2740200