Calculate the work done to isothermally compress 1 g of hydrogen gas at N T P to half of - Physics - Thermodynamics

Question

Calculate the work done to isothermally compress 1 g of hydrogen
gas at N T P to half of its initial volume Find the change in
internal energy and the amount of heat evolved Given R=8 31 J per
mole per kelvin

Vara · Accepted Answer

Gas constant for 1 g of gas:r=RM  =8
312  =4 155 J/g KWork done:W=2
303 r T log V2V1   =2 3034
155 273 log 12   =-786
3 J   =-187
2 calChange in internal energy = 0 since there is no change in temperatureHeat evolved = - W = 187
2 cal

Calculate the work done to isothermally compress 1 g of hydrogen gas at N.T.P. to half of its initial volume. Find the change in internal energy and the amount of heat evolved.Given R=8.31 J per mole per kelvin.