The work done on the surroundings by the expansion of a gas is w = –pdv .The statement is true.
The work is the energy required to move a system or body or anything against a force is called work. The word done = force×distance
Work done in an isobaric process is given by
W = PΔV
Where W = Work done
P =pressure
ΔV = change in volume
In a free expansion , the gas is allowed to expand into a vacuum.
This happens so quickly , so there is no heat transferred . No work is done , because the gas does not display anything.
W = PΔV
To learn more about surroundings by the expansion
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