In a separate experiment using a very large reaction vessel with a movable piston, 6.00 moles of CO2 reacts completely with 3.00 moles of nitrogen gas according to the following equation at 25 C and with a constant external pressure of 2.00 atm: 4 CO2(g) + N2 (g) --> 4 CO (g) + 2 NO2 (g). This reaction proceeds to completion. Calculate delta U, q, and w for this reaction under these conditions.