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The Principles of Thermodynamics
book

The Principles of Thermodynamics

by N.D. Hari Dass
October 2013
Intermediate to advanced content levelIntermediate to advanced
352 pages
13h 56m
English
CRC Press
Content preview from The Principles of Thermodynamics
The Beginnings 11
where n is the number of moles, T the temperature in Kelvin, and R the so called gas
constant with a numerical value of 8.31 Joules/K.
1.2.2 Non-ideal gases
As already mentioned, in reality no gas is perfectly ideal and departures from the
gas laws discussed earlier are the rule rather than the exception. Many alternative
equations have been proposed, each with its positive as well as negative features.
Here are just a few of the most prominent ones.
van der Waals equation
P+
an
2
V
2
(V nb)=nRT (1.15)
Clausius equation
P+
an
2
T(V + nc)
2
(V nb)=nRT (1.16)
Dieterici equation
P(V nb)=nRT e
an
VRT
(1.17)
Of these the van der Waals equation played ...
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Publisher Resources

ISBN: 9781466512085