gc textbook chater 14 heat (id: 9ffed9988)

本题目来源于试卷: gc textbook chater 14 heat，类别为 IB物理学

[填空题]
A 30-g ice cube at its melting point is droppe w j6 xyr02n)6xskc,rvh,fcq-d into an insulapej3ms.-wunl )+6v dlted container of liquid nitrogen. How much nitrogen evaporates if it is at its boiling pointwul e ld6v3j -.nps+)m of 77 K and has a latent heat of vaporization of $200\,kJ/kg$ Assume for simplicity that the specific heat of ice is a constant and is equal to its value near its melting point.    kg

参考答案: 0.062±2%


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