List 2 sources of waste water

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 →

Based on the equation and the information in the table, what is the enthalpy of the reaction?

How many grams of oxygen gas are contained in a 15 l sample at 1.02 atm and 28°c? show your work.