14. Consider what you know about the motion and spacing of the particles in each state of matter. How can the illustrations of people watching a movie, getting
concessions, and walking outside be used as models for different states of matter?
Explain which group best represents the particles in a solid, liquid, and gas.

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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 -