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 graph for the heating of s rzj0n)s;f k0: g)o.*musma b100 g of a substance is shown, *3vd,jkb 9jg qfrom its state as a 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 thg d3,9qbj *jvkat 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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