Re: temperature increases, volume decreases. why?

From: Anja (anja_at_no.spam.com)
Date: 06/30/04


Date: Wed, 30 Jun 2004 05:11:18 +0200


"Kosmo Relmian" <nospam@invalid.com> wrote in message
news:2kefelF1bq8qU1@uni-berlin.de...
>
> "Anja" <anja@no.spam.com> wrote in message
> news:40e20124$0$274$edfadb0f@dread12.news.tele.dk...
> > Assume I have a gas in a cylinder that has a piston as a top. the system
> is
> > isolated. if I put a mass on top of the piston, then the pressure and
> > temperature inside the cylinder will increase, while the volume will
> > decrease.
> > What is the physics behind the fact that the temperature increases and
the
> > volume decreases?
> >
>
> The poor atoms are pushed closer together, have more collisions per min
> (hotter)

more collisions per minut means also that pressure got bigger. and pressure
and temperature are two separate things. how do you explain this difference?



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