1.2NO2 <=> N2 + O2 all substances in the gaseous state a) remove NO2, b) increaseN2c) increase the pressure 2.2NO + O2 <=> 2NO all substances in the gaseous state) increase the temperature b) leave NOc) decrease the pressure.​

Well to my expert knowledge and my exquisite calculations i think the the negative ion # 412 is the key to sucess

Rn in the right answer

Answer it was we, the the whole people, who formed the union. and we formed it, not to give the blessings of liberty, but to secure them: not to the half of ourselves and the half of our posterity, but to the whole people- women as well as men.

Answer is: the equilibrium  shifts toward the reactants, to the left side of chemical reaction.it is because lead(ii) nitrate dissociates in water: pb(no₃)₂ → pb²⁺(aq) + 2no₃⁻(aq).according to lechatelier's principle, the position of equilibrium moves to counteract thechange (more lead cations, common ion), the position of equilibrium will move so that the concentration ofproducts decrease and concentration of reactants of chemical reaction increase.read more on -