28. The “specific heat” of an object is:
(A) the amount of heat energy to change the state of one kg of the substance
(B) the amount of heat energy emitted by oxidizing one kg of the substance
(C) the amount of heat energy to raise one kg of the substance from its freezing to its boiling point
(D) the amount of heat energy to raise one kg of the substance by 1℃

答案：登入後查看
統計： A(2), B(2), C(0), D(4), E(0) #874931