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Topic: Calcium acetate + heat?  (Read 2764 times)

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Offline xXCuteGoatXx

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Calcium acetate + heat?
« on: January 08, 2018, 04:33:10 PM »
Hi!

Plain and simple; I'm wondering why calcium acetate breaks down to calcium carbonate and acetone when heated.

Thank you.
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Offline wildfyr

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Re: Calcium acetate + heat?
« Reply #1 on: January 08, 2018, 07:05:56 PM »
Plain and simple? Entropy.

Two gas molecules are better than 1 salt molecule.
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Offline xXCuteGoatXx

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Re: Calcium acetate + heat?
« Reply #2 on: January 08, 2018, 07:11:57 PM »
Quote from: wildfyr on January 08, 2018, 07:05:56 PM
Plain and simple? Entropy.

Two gas molecules are better than 1 salt molecule.

No, I meant that my question was plain and simple. Please exuse my English..

I'd love a more detailed explaination.

Thank you.
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Offline MangoPaws

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Re: Calcium acetate + heat?
« Reply #3 on: January 09, 2018, 09:21:21 AM »
The acetate ions are oxidisable and reducible. Here the two in the salt disproportionate, one is oxidised to carbonate, one reduced to acetone. The acetone is released increasing entropy of the process and the potentially the carbonate salt has an increased lattice enthalpy so the process is spontaneous when head is applied.
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