Heat of Vaporization refers to the amount of heat required to convert 1 gram of a liquid into vapor without a change in temperature. It is the highest for water and is a type of latent heat associated with a change in state without a change in temperature. ...
waterA simple model is introduced to interpret the heat of vaporization of water, which assumes the gaseous state as an ideal gas and the condensed state as an ideal "solid." Making the approximations ω j kT and ω i kT simultaneously for the vibrational energies of the molecules in the ...
Water Properties: Vaporization Heat vs. Temperature - Charts and Calculator Online calculator, figures and tables showing heat of vaporization of water, at temperatures from 0 - 370 °C (32 - 700 °F) - SI and Imperial units. The (latent) heat of vaporization (∆Hvap ) also known as ...
SubstanceSpecific Latent Heat of Fusion (kJ/kg)°CSpecific Latent Heat of Vaporization (kJ/kg)°C Water 334 0 2258 100 Ethanol 109 −114 838 78 Ethanoic acid 192 17 395 118 Chloroform 74 −64 254 62 Mercury 11 −39 294 357 Sulfur 54 115 1406 445 Hydrogen 60 −259 449 −253...
Liquids - Latent Heat of Evaporation Latent heat of vaporization for fluids like alcohol, ether, nitrogen, water and more. The input energy required to change the state from liquid to vapor at constant temperature is called the latent heat of vaporization. When a liquid vaporize at the normal...
Why is the heat of vaporization of water greater at room temperature compared to its boiling point? Why is the heat of vaporization of water lower at its boiling point than it is at room temperature? What is the boiling point of water on the Celsius temper...
解 由基尔霍夫公式 $$ \Delta H _ { 2 9 3 K } = \Delta H _ { 3 7 3 K } + \int _ { 3 7 3 } ^ { 2 9 3 } ( 3 3 . 2 - 7 5 . 3 ) d T \\ = 4 0 . 6 7 + ( 3 3 . 2 - 7 5 . 3 ) \times ( 2 9 3 - 3 7 3 ) \times 1 0 ^ { - 3 } ...
3kPa at 100° C and heat of vaporization is 40.68k]·mol. Calculate (1) the vapor pressure of water at95° C.(2)the boiling point of water with 106. 3kPa, 相关知识点: 试题来源: 解析 【解析】 $$ \ln \frac { p _ { 2 } } { p _ { 1 } } = - \frac { \Delta _ { ...
On the heat of the vaporization of waterdoi:10.1016/0016-0032(50)91048-9J.P. JouleElsevier LtdJournal of the Franklin Institute
Heat transfer through the membrane by conduction and by movement of vapor across the membrane (latent heat of vaporization). The influence of mass transfer on the heat transfer can be ignored [75,97,107–109,114] (3.29)Qm=kmδTf,m−Tp,m+J△Hv (3.30)Qm=hmTf,m−Tp,m+J△Hv where...