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【单选题】
在等温等压下进行下列相变: H 2 O (s,-10 °C , p θ ) = H 2 O (l,-10 °C , p θ ) 在未指明是可逆还是不可逆的情况下,考虑下列各式哪些是适用的 ?A.
(1) ， (2)
B.
(2) ， (3)
C.
(4)
D.
(2)
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