32. How much heat (in kilocalories) is needed to convert 1 kg of ice at 0° C into steam at 100° C? (Lf = 3.33 x 105 J/kg; Lv 2.26 x 106 J/kg; 1 cal = 4.186 J.)
(A) 640
(B) 180
(C) 720
(D) 360

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統計: A(0), B(3), C(3), D(1), E(0) #347719