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I'm not an expert teacher or lecturer of chemistry. I was only a student from SMA NEGERI 15 SURABAYA who had been one of the Bronze Medalist Participants of Olimpiade Sains Nasional X (2011) of Chemistry In Manado, North Sulawesi, 11 - 16 September 2011 and graduated in 2012. Now, I'm studying at Universitas Airlangga in Surabaya, Indonesia. I do love chemistry and I would like to help them who had difficulties in studying chemistry. That's why, please understand me if you found some misconcepts in my entries. Suggestions are always necessary in order to develop this blog. And I'm sorry because my English isn't so well.

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The Documents

Sunday, December 25, 2011

Van't Hoff Equation on Thermodynamics

We know that the relation between Gibbs Energy and Equilibrium Constanta can be written as:



How do we calculate the Equilibrium Constanta if the temperature is changed? And what is the relation between the equation above with our problem? To answer this question, we need to "play" the equation with our favorite helper: integral.

First, rearrange the equation:


Because we try to find the effect of temperature change, we need to derivative the equation against Temperature.


We call the equation above as the Van't Hoff Equation.

Source:
Documents of Pelatnas I IChO 2012


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