A gas is enclosed in a container fitted with a piston of cross section average 0.1 meter per square. The pressure of gas is maintained at 800 newton into meter per square. When heat is slowly transferred .The piston is pushed up through a distance of 4cm if 42 j is heat is transferred to the system during the expansion what is the expansion what is the change internal energy of the system
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A gas is enclosed in a container fitted with a piston of cross section average 0.1 meter per square....
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