Van't Hoff Equation

[Nadia Nichol]

After the exam, I am a bit confused on the purpose and appropriate use of this equation, can someone further explain the Van't Hoff equation, and its relevance to thermodynamics.

[Sheik Sahadat]

Hey there,
I remember working with this equation. Basically, the Vant Hoff equation allows us to relate standard enthalpy and two equilibrium constants, K1 and k2. It uses the temperature dependence of the equilibrium constant to calculate the value of the enthalpy change for the reaction. Depending on the variables given, we are able to manipulate the equation and solve for things like one of the equilibrium constants, canceling ln with e when needed on both sides. It can be used to calculate K at a different temperature if ∆H is known and we assume ∆S is constant. I hope this helps!

[405996618]

The Van't Hoff equation helps understand how achange in temperature affects a reaction's equilibrium constant, and how reactions respond to temperature variations. It's relevant to thermodynamics by the relationship between temperature and the spontaneity of chemical reactions, understanding reactions in different conditions.