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 KEVIN March 24, 2004 22:51

about the unit of the standard state enthalpy!!

Hello! Everyone , now i simulate a chemical reaction between gas(nh3) and porous solid(cacl2),but i met a problem in defining the material property. In the fluent, the unit of the standard state state enthalpy and standard state entropy is j/kgmol and j/kgmol.k,respectively. But i search the unit of the stand state enthalpy and standard state entropy is j/mol and j/mol.k respectively. Who can tell me how to switch between these two units? Thank you very much!

 thomas March 25, 2004 05:51

Re: about the unit of the standard state enthalpy!

Hi,

simply kgmol = 1000 mol. means j/kgmol = 10e-3 j/mol.

Good luck !

 KEVIN March 25, 2004 06:07

Re: about the unit of the standard state enthalpy!

Thank you very much!thomas

 kevin March 25, 2004 09:32

Re: about the unit of the standard state enthalpy!

Hello! Everyone ,I met the problem about the Arrhenius Rate --1.How to get the Pre-Exponential Factor --2.How to calculate the Activation Energy --3.How to calculate Temperature Exponent

PS:I simulate the chemical reaction between the gas(nh3) and solid(cacl2)

Thank you very much!!!!

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