[Catalist] Equilibrium and temperature

Andy Gray mailbrain at gmail.com
Fri Nov 24 17:19:51 AEDT 2017


Hi Andrew - although outside of the ATAR course,
http://www.chem1.com/acad/webtext/thermeq/TE5.html is pretty good at
explaining the relationship between changes in Gibbs free energy and K.
Also, https://aatishb.com/entropy/ uses sheep to explain entropy and it's
AWESOME!

Enjoy the weekend :)

On 24 November 2017 at 12:11, Andrew Bland <abl at gmas.wa.edu.au> wrote:

> Dear chemistry teachers,
>
>
>
> When a system is heated, both the forward and reverse reaction rates
> increase, “but the endothermic reaction increases more than the exothermic
> reaction. The endothermic reaction is always affected more by a temperature
> change than the exothermic reaction. This is true even when a system is
> cooled…” Chem for WA 2.
>
>
>
> My question is why is the endothermic reaction rate always effected more
> than the exothermic rate? I cannot find an explanation in any of my texts,
> only a re-stating of this in various forms.
>
>
>
> Thanks
>
>
>
> Andrew
>
>
>
>
>
> Andrew Bland
> Head of Year 10 and Head of Geographe House
> T:  +61 8 9752 5252 <+61%208%209752%205252>
> F:  +61 8 9752 5299 <+61%208%209752%205299>
> A:  PO Box 920, Busselton WA 6280
> E:  abl at gmas.wa.edu.au
> W: www.gmas.wa.edu.au
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