I’m not sure how to balance this equation

Electric charge is what ? a. kinetic energy b. radiation c. discovery d. electricity

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?

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