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Re: 2nd Law of Thermodynamics

Subject: Re: 2nd Law of Thermodynamics
From: "Dr A D Burns" <aburns@q-skills.com>
Date: Fri, 4 Mar 2005 18:27:16 -0500 (EST)
Reply-to: "Dr A D Burns" <aburns@q-skills.com>

An adiabatic expansion produces a decrease in temperature, not an increase.
If it is non adiabatic, heat will be absorbed from the surroundings, not
liberated.  Compressing a gas will liberate heat ... try pumping up a
bicycle tyre.  This is the principle used in refrigerators.

Dr Tony Burns
MicroMultimedia
aburns@q-skills.com
www.q-skills.com

References:
- RE: 2nd Law of Thermodynamics
  - From: "Prevette, Steven S" <Steven_S_Prevette@rl.gov>

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