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Topic: why does the ph decrease when the acid is heated  (Read 4292 times)

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Offline 123biteme321

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why does the ph decrease when the acid is heated
« on: March 04, 2011, 11:54:58 PM »
ch3cooh  ::equil:: ch3coo^- + h^+
(ph of 3.5)

observation (of heating and ph test)

the test tube has been heated and the ph has dropped from 3.5 to 3.1

explanation

??? :o
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Offline sci994

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Re: why does the ph decrease when the acid is heated
« Reply #1 on: March 05, 2011, 04:28:47 AM »
I think it is happening because of the evaporation of water.
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Offline Borek

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Re: why does the ph decrease when the acid is heated
« Reply #2 on: March 05, 2011, 05:18:59 AM »
How was the pH measured?
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