CET Graduation 2022 PYQ Q108

A sample of 0.1 g of water at 100°C and normal pressure (1.013 × 10^5 N m^-2) requires 54 cal of heat energy to convert into steam at 100°C. If the volume of the steam produced is 167.1 cc, the change in internal energy of the sample is:

1. A 42.2 joule
2. B 84.5 joule
3. C 208.7 joule Correct
4. D 104.3 joule