(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

Hi everyone. So I've already worked out delta H to be 57.88 kJ, T is 298K and I've been given a value of 29.94 for lnK^{0}. Now I need to calculate delta S but think my numbers are too small to be doing it right...?

2. Relevant equations

1.) delta G^{0}= -RTlnK^{0}

2.) delta G^{0}= delta H^{0}- T delta S^{0}

3. The attempt at a solution

From equation 1 I've calculated delta G^{0}to be:

delta G^{0}= -8.314 x 298 x 29.94

delta G^{0}= - 74176.03 J

= -74.18 kJ

I've then rearranged equation 2 to get:

- delta S^{0}= delta G^{0}- delta H^{0}/ -T

= -74.18 - - 57.88/-298

= 0.054

Surely this number is too small though? Am I going wrong somewhere?

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# Homework Help: Entropy of Formation Calculation

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