Question

Answer the following​

Answer 1

Answer:

5. The heating curve of a pure substance ”X” at 1atm is shown below:

(i) What is the freezing point of the substance in K?

(ii) What is the physical state of the substance at 10֯c ,27֯c , 40֯c and 51֯c.

(iii) Why temperature is constant from 10 to 20 Cal heat?