What does it mean for a chemical equation to be balanced? a) the number of atoms is the same for both the reactants and products. b) the number of each type of atom is the same for both the reactants and products. c) the number of different molecules has to be the same for both the reactants and products.

1. combine iron and copper (ii) sulfate solution. (hint: iron will form the iron (iii) ion) fe + cuso4 → 2. combine lead (ii) nitrate and potassium iodide solutions. pb(no3)2+ kl → 3. combine magnesium metal and hydrochloric acid solution. mg + hcl → 4. electrolysis (splitting) of water. h2o → 5. burning magnesium. mg + o2 →

How does a hydroelectric power plant converts energy into energy.

If oil spills continue, all of the following should be expected except (2 points) death of aquatic life. polluted groundwater. decreased soil productivity. increased global temperatures.