13. The structure of monomers PP and QQ are as shown.
CH2=CHCI
CH3CH=CF2
PP
QQ
Draw all possible structures of homopolymer and copolymer which can be formed from monomers PP and QQ.​

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. initial mass and yield 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

What is the lowest number energy level where a d sublevel is found

State one important difference between a physical change and a chemical change?