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Thermal Physics

Cool goIITian

Joined: 31 Aug 2007
Post: 50
28 Jan 2008 16:07:21 IST
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decrease in entropy help needed
None

my teacher has given me a project -a hypothetical experiment in which entropy decreases
i was not able to fnd anything on the matter
please help


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Blazing goIITian

Joined: 14 Jan 2007
Posts: 602
28 Jan 2008 16:08:43 IST
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Hey,
ow about freezing of ice or cooling of vapour?
boredom's Avatar

Blazing goIITian

Joined: 14 Jan 2007
Posts: 602
28 Jan 2008 16:09:09 IST
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Hey,
 oppppps forgot that H

Blazing goIITian

Joined: 2 Jan 2008
Posts: 504
28 Jan 2008 16:26:56 IST
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Cool goIITian

Joined: 31 Aug 2007
Posts: 50
28 Jan 2008 18:52:10 IST
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thanks man but i need something more


Cool goIITian

Joined: 31 Aug 2007
Posts: 50
28 Jan 2008 21:44:34 IST
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i read somewhere that as the universe expands entropy decreases
does this mean that if universe contracts entropy will decrease??

Cool goIITian

Joined: 31 Aug 2007
Posts: 50
28 Jan 2008 22:06:21 IST
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some more questions
1.due to the big bang would entropy have decreased or increased
2.if a irreversible reation is reversed will enttropy decrease
3.if time is reversed will entropy increase




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