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about the unit of the standard state enthalpy!!

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Old   March 24, 2004, 22:51
Default about the unit of the standard state enthalpy!!
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KEVIN
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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!
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Old   March 25, 2004, 05:51
Default Re: about the unit of the standard state enthalpy!
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thomas
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Hi,

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

Good luck !

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Old   March 25, 2004, 06:07
Default Re: about the unit of the standard state enthalpy!
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KEVIN
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Thank you very much!thomas
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Old   March 25, 2004, 09:32
Default Re: about the unit of the standard state enthalpy!
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kevin
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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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