For the reaction N2 ( 8 ) + 3H2 ( g ) + 2NH3 ( g ) , equilibrium pressures are Pvz = 2.6 atm , PH = 5.6 atm , and PxH : = 1.2 atm . Calculate the Gibb’s free energy of the reaction at a temperature of 298K . ( A ) 1.43 kJ B ) 1.43×104 J C ) 1.41×103 J D ) 4.25 x10′ J