For the following electron-transfer reaction:

Br2(l) + Ni(s) 2Br-(aq) + Ni2+(aq)

Can someone me with questions 15 to 17 plz.

The following reaction shows the products when sulfuric acid and aluminum hydroxide react. al(oh)3 + h2so4 → al2(so4)3 + h2o the table shows the calculated amounts of reactants and products when the reaction was conducted in a laboratory. sulfuric acid aluminum hydroxide initial amount of reactant 40 g 15 g theoretical yield of water from reactant 14.69 g 10.38 g what is the approximate amount of the leftover reactant? 11.73 g of sulfuric acid 10.33 g of sulfuric acid 11.12 g of aluminum hydroxide 13.67 g of aluminum hydroxide

In a reaction (at equilibrium) that makes more moles of gas than it consumes, what is the effect of increasing the pressure?