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(9 blanks) Derive the work done of an ideal gas undergoing isothermal expansion at temperature T1 if the volume changes from V1 to V2. Express in terms of P1 and P2.
V2
W =
Where: p=
T/V
By substitution:
.V2
dv
W =
V
Applying the rules of integration, the word done will become
W=
Using:
P1V1 = nRT & P2V2 = nRT
The work done in terms of pressure is expressed as
W =
In

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