1.550 moles of N₂ in a state defined by Ti=216.0K and Vi=0.7500L undergoes an isothermal reversible expansion until Vf=50.00L. Calculate work (w) assuming that the gas is described by the ideal gas law.
a) -3.58 kJ
b) -2.50 kJ
c) 2.50 kJ
d) 3.58 kJ