One liter of ideal gas underwent an isothermal reversible expansion processto reach a final volume of 4 liter. Which of the thermodynamic variables are zero?i) ?T;ii) ?G;iii) ?E;iv) ?Ssys;v) ?Ssurrounding;vi) ?StotalA) i and ii); B) i ii iii and vi); C) i iii iv and vi); D) i iii and vi)
