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    				| 1. | Two moles of an ideal gas are contained in a vertical cylinder with a frictionless piston. The piston is slowly displaced so that expansionin gas is isothermal at temperature `T_(0)=400`K. find the amount of work done in increasing the volume to 3 times.t ake atmospheric pressure `=10^(5)N//m^(2)` | 
| Answer» Correct Answer - 800 R ln (3) | |