For the chemical reaction c2h6 + 137 kj → c2h4 + h2, the chemical energy of a. reactant is greater than the chemical energy of the products.. b. products is greater than the chemical energy of the reactant.. c. reactant and the chemical energy of the products are equal.. d. reaction is conserved.

Achemist 16 drop copper metal from copper chloride solution. the chemist place is 0.50 g of aluminum foil in a solution containing 0.75 g of copper (ii) chloride. a single replacement reaction takes place. which statement explains the maximum amount of copper that the chemist can extract using this reaction?