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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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421

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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Comments (6)

boredom

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

Blazing goIITian

Joined: 14 Jan 2007

Posts: 602

28 Jan 2008 16:09:09 IST

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Hey,

oppppps forgot that H

anand bhanushali

Blazing goIITian

Joined: 2 Jan 2008

Posts: 504

28 Jan 2008 16:26:56 IST

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http://www.halexandria.org/dward145.htm

try this

shivam atri

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

shivam atri

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??

shivam atri

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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