Identify the substance oxidized, the substance reduced, and, if any, spectator ions. A.
4Al(s) + 3O2 → 2Al203 (s)
Oxidation:
Reduction:
Spectator Ions:
B.
Cl2 (aq) + 2KI (aq) → I2 (s) + 2KCl (aq)
Oxidation:
Reduction:
Spectator Ions:

Maria wants to determine which type of disinfectant kills the most bacteria. which of the following is the best way for maria to determine this? a. ask ten different companies that make disinfectants which type is best. b. put the same amount and species of bacteria on ten identical plates, and add ten different kinds of disinfectant to each plate. c. interview ten different people to determine which type of disinfectant they prefer. d. put the same amount and species of bacteria on ten identical plates, and add a different disinfectant to each plate.

The minerals found in bones are deposited by living cells called

Is a pencil falling to the floor anon contact force, a force, or a contact force