How much energy is required to raise the temperature of 3 kg of lead from 15°C to 20°C? Use the table below and this equation: Q = MCAT. The question is written right above the table given.

The answer is letter c

Rn in the right answer

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 -