Internal energy of a substance is the sum of kinetic energy and  potential energy of the molecules. kinetic energy  is directly...

The 3 states of matter –  solid, liquid and gas. In general, when a body is heated, it expands and volume increases. The mass remains the...

Other examples in our daily lives: In some supermarket, the seafood are placed outside of air-conditioned place. The seafood is kept cold...

Take note that the question is looking for specific latent heat of vaporisation during boiling. Hence information of mass m1 before...