Particulate Nature of Matter B.1 Thermal Energy Transfers (id: 9ff847664)

本题目来源于试卷: Particulate Nature of Matter B.1 Thermal Energy Transfers，类别为 IB物理学

[单选题]
A temperature-time graphe(vrjy/g, )ne65x w qr for the heating of 100 g of a substance is shown, fr*gl u*rolld +qx,6ta;ydn +u 1om its state as llrld+t*ngox; ,du16*q a + uya solid to its state as a gas. The material is being heated in a well-insulated container at a constant heating rate of 50 W. It is assumed that mass remains constant and no heat is lost to the surroundings.

What is the specific heat capacity of the material in the liquid state?

A. 0.08 $kJkg^{−1}K^{−1}$
B. 2.0$kJkg^{−1}K^{−1}$
C. 4.8$kJkg^{−1}K^{−1}$
D. 60 $kJkg^{−1}K^{−1}$


参考答案:  C


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