An experiment measures the temperature of a 400 g substance while steadily suppl

Question

An experiment measures the temperature of a 400g substance while steadily supplying heat to it. The figure shows the results of the experiment.

A) What is the specific heat of the solid phase?

B) What is the specific heat of the liquid phase?

C) What is the melting temperature?

D) What is the boiling temperature?

E) What is the heat of fusion?

F)What is the heat of vaporization?

An experiment measures the temperature of a 400g substance while steadily supplying heat to it. The figure shows the results of the experiment. What is the specific heat of the solid phase? What is the specific heat of the liquid phase? What is the melting temperature? What is the boiling temperature? What is the heat of fusion? What is the heat of vaporization?

Explanation / Answer

b)specific heat of the liquid phase in J/kgK
= 40,000 - 20,000J / 0.400kg*1500-300K
= 41.66 J/kgK

f) heat of vaporization in J/kg at 1500 C
= 80,000 - 40,000J / 0.400kg
= 100,000 J/kg

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