1.

Calculate the work done when 1 mol of an ideal gas is compressed reversible from 1 bar to 4 bar at a constant temperature of 300 K.

Answer»

4.01 kJ
`- 8.02 kJ`
18.02 kJ
3.458 kJ

Solution :`w= - 2.303 NRT "log" (p_(1))/(p_(2))`
`= - 2.303 xx 1 xx 8.314 xx 300 "log" (1)/(4)`
`3458.3 J = 3.458 kJ mol^(-1)`


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