Specific heat, heat of vaporization, and density of water (article) Khan Academy The equivalent evaporation (kg hr) of a boiler producing 2000 kg hr of steam with enthalpy content of 2426 kJ kg from feed water at temperature 40C (liquid enthalpy at 4C = 168 kJ kg, enthalpy For water at 100^(@)C and 1 bar, Delta_(vap) H Delta_(vap)U = _______ xx 10^(2) J mol^( 1). (R Solved in an A dilute sodium hydroxide solution containing Chegg.com Entropy its practical use Spirax Sarco