Physical Chemistry

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31 May 2009 18:52:51 IST
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what is the difference between internal energy and enthalpy of a system in thermodynamics?
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what is the difference between internal energy and enthalpy of a system in thermodynamics?



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Cool goIITian

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31 May 2009 19:05:16 IST
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Internal energy, E, which is the sum of the kinetic and potential energies of the particles that form the system. The internal energy of a system can be understood by examining the simplest possible system: an ideal gas. Because the particles in an ideal gas do not interact, this system has no potential energy. The internal energy of an ideal gas is therefore the sum of the kinetic energies of the particles in the gas.

Enthalpy (H), which is the sum of the internal energy of the system plus the product of the pressure of the gas in the system times the volume of the system.

H = U + PV

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17 Jul 2012 16:48:48 IST
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what is the difference between internal energy and enthalpy of a system in thermodynamics?

New kid on the Block

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30 May 2013 16:14:33 IST
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calcula tthe d/ce b/n dU & dH of a system in thermodynamicsat 1mole of H2O is boile@100?



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