Khan Academy Video: Bioenergetics #7

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Tanphoteric
Posts: 10
Joined: Sat Nov 03, 2018 5:46 pm

Khan Academy Video: Bioenergetics #7

Post by Tanphoteric » Sat Jun 29, 2019 2:27 pm

A reaction XXX is exergonic and endothermic under standard conditions; what must be true of XXX under these conditions?

* I do not understand this at all.

*wouldn't it be delta G = H - TdetaS
- = + - +
*then you get entropy decreasing NOT increasing?
NS_Tutor_Mathias
Posts: 280
Joined: Sat Mar 30, 2019 8:39 pm

Re: Khan Academy Video: Bioenergetics #7

Post by NS_Tutor_Mathias » Sat Jun 29, 2019 3:11 pm

You answered this one yourself. Your sign for entropy is positive (the last + sign): Entropy is increasing. The entire term containing entropy (-TdletaS) is negative, but the change in entropy itself is positive - also simply called an increase in entropy.
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