1-

H₂(g) + C₂H₄(g)C₂H₆(g) G = -101.3 kJ and S = -120.7 J/K at 296 K and 1 atm. The maximum amount of work that could be done by this reaction when 2.23 moles of H₂(g) react at standard conditions at this temperature is ___ kJ.

2-

CO(g) + H₂O(l)CO₂(g) + H₂(g) H = 2.8 kJ and S = 76.8 J/K The maximum amount of work that could be done when 1.57 moles of CO(g) react at 297 K, 1 atm is ___ kJ. Assume that H and S are independent of temperature.

3-

NH₄NO₃(aq)N₂O(g) + 2H₂O(l) The standard free energy change for this reaction is -179.4 kJ. The free energy change when 1.84 moles of NH₄NO₃(aq) react at standard condition is ___ kJ. What is the maximum amount of useful work that the reaction of 1.84 moles of NH₄NO₃(aq) is capable of producing in the surroundings under standard conditions? If no work can be done, enter none. _____