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Author Topic: Keq at unkown temperature  (Read 1535 times)

IliasBouchkira

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Keq at unkown temperature
« on: June 25, 2019, 10:53:04 AM »
Hello,

Please how phreeqC uses Keq(25°C) and DeltaH to compute Keq(T=unknow)?

Thanks in advance,
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dlparkhurst

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Re: Keq at unkown temperature
« Reply #1 on: June 25, 2019, 04:55:25 PM »
It uses the Van't Hoff equation.

ln(K2/K1) = -DeltaH/R(1/T2 -1/T1)
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