Which reaction has the greatest tendency to proceed toward completion (produces a lot of product)? 2NO(g)=N2(g)+O2(g)Kc=2.110302BrCl(g)Br2(g)+Cl2(g)Kc=0.145 This cannot be determined from the information given H2(g)+Br2(g)=2HBr(g)Kc=1.41021