g If a sample of 50 mL of ethyl acetate (bp = 77 C) was contaminated with 10 mL of ethyl benzene (bp = 136 C) what effect would this have on the boiling point measurement?

The velocity would be 2 

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 -

It starts to rust i think

For a collision to be successful you need 2 different objects