explain the joule Thomson effect.find an expression for change in temperature of a gas due to this effect.
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It is a part of the thermodynamics which describes when there is no heat exchange between environment then this effect describes the amount of change in real gas or the liquid when it is compressed or forced through a valve.
According to this law all gases except hydrogen, helium and neon cools when expansion through joule-thomson process.
Let the change in temperature be dt and change in pressure is dp then joule-thomson coefficient will be dt/dp.
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