Calculate the work done when 2 moles of hydrogen expand isothermally and reversibly at 270C from 15 to 50 litres

W=-2.303 nRT log V2V1 =-2.303 × 2 × 2 × 300 log 5015 =-2763.6 log 10-log3 =-2763.6 1-0.4771 =-2763.6 × 0.5227 = -1445 cal