ThermodynamicsHard
Question
An ideal gas is subjected to an isothermal expansion such that its volume change fromVi to Vf and pressure from Pi to Pf The work done on the gas is :
Options
A.W = + nRT log 
B.W = - nRT log
C.W = nRT log 
D.W = - nRT log
Solution
The work done in expansion of gas
W = nRT l n
= nRT l n
The work done on the gas
= - nRT l n
W = nRT l n
= nRT l nThe work done on the gas
= - nRT l n
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