What is Kp for the reaction, 3 NO(g) ⇌ N2O(g) + NO2(g) a) ∆H =-155.5 kJ/mol
b) ∆S =-171.5 J/mol K
c) ∆G =-104.4 kJ/mol

In a heat of an engine, if 700 j enters the system, and the piston does 400 j of work what is the final internal (thermal) energy of the system if the initial energy is 1,500 j