Answer to Question #114902 in Molecular Physics | Thermodynamics for Oboira Sunday

Question

A quantity of steam at 100 degree Celsius condenses to water at the same temperature by releasing 69000 joules of energy . Calculate the mass of the condensed steam if the specific latent heat of vaporization of water is 2300000 joules per kilogram

Answer 1

The mass of the condensed steam is

$$m=\frac{Q}{L}=0.03\text{ kg}.$$