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Topic: Organic chemistry problem  (Read 3121 times)

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Offline daf44

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Organic chemistry problem
« on: August 10, 2011, 11:40:39 AM »
Hi,

My question is about the reaction in the picture.



I don't know sure what the answer is. I thought that maybe water would split off, but I'm not sure.

I hope you could help me please.
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Offline opsomath

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Re: Organic chemistry problem
« Reply #1 on: August 10, 2011, 11:42:56 AM »
Decarboxylation.
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Offline Dan

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Re: Organic chemistry problem
« Reply #2 on: August 10, 2011, 11:53:51 AM »
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Offline tezha

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Re: Organic chemistry problem
« Reply #3 on: August 10, 2011, 02:07:15 PM »
Can someone explain why this happens?
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Offline nox

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Re: Organic chemistry problem
« Reply #4 on: August 10, 2011, 07:52:51 PM »
Decarboxylation is very favorable entropically, which means ΔS is positive. Since ΔG = ΔH - TΔS, once the temperature is high enough to overcome the ΔH term (barrier to decarboxylation), the molecule loses CO2. 
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Offline shoy065

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Re: Organic chemistry problem
« Reply #5 on: August 12, 2011, 05:36:57 AM »
I think the T.M was,that is actones
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