# Problem: A reaction has a standard free-energy change of -14.90 kJ mol -1 (-3.561 kcal mol-1). Calculate the equilibrium constant for the reaction at 25°C.

###### FREE Expert Solution
93% (206 ratings)
###### FREE Expert Solution

We’re being asked to determine the equilibrium constant (K) at 25 ˚C for a given reaction.

Recall that ΔG˚rxn and K are related to each other:

$\overline{){\mathbf{\Delta G}}{{\mathbf{°}}}_{{\mathbf{rxn}}}{\mathbf{=}}{\mathbf{-}}{\mathbf{RTlnK}}}$

93% (206 ratings) ###### Problem Details

A reaction has a standard free-energy change of -14.90 kJ mol -1 (-3.561 kcal mol-1). Calculate the equilibrium constant for the reaction at 25°C.

What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Gibbs Free Energy concept. You can view video lessons to learn Gibbs Free Energy. Or if you need more Gibbs Free Energy practice, you can also practice Gibbs Free Energy practice problems.

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Based on our data, we think this problem is relevant for Professor Halasyamani's class at UH.