Examine the unbalanced equation. + → which of the answer choices shows the balanced equation? a. 4al + 3o2 → 2al2o3 b. 2al + 3o2 → 4al2o3 c. 2al + 2o2 → 2al2o3 d. 4al + 2o2 → 4al2o3

In an oxidation-reduction reaction, oxidation is what happens when a reactant

Which statement correctly describes the phosphate ion, ? it is composed of one phosphorus atom and four oxygen atoms covalently bonded together, and there is a –3 charge distributed over the entire ion. it is composed of one phosphorus atom and four oxygen atoms covalently bonded together, and there is a –3 charge on the phosphorus atom. it is composed of one phosphorus atom and four oxygen atoms ionically bonded together, and there is a –3 charge distributed over the entire ion. it is composed of one phosphorus atom and four oxygen atoms ionically bonded together, and there is a –3 charge on the phosphorus atom.

Are oil and water a mixture or solution