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The graph shown in the figure represents...

The graph shown in the figure represents change in the temperature of 5 kg of a substance as it absorbs heat at a costant rate of 42 kJ `"min"^(-1)`. The latent heat of vaporization of the substance is :

A

`630 kJ kg^(-1)`

B

`126 kJ kg^(-1)`

C

`84 kJ kg^(-1)`

D

`12.6 kJ kg^(-1)`

Text Solution

Verified by Experts

The correct Answer is:
C
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