A mixture contains 5.00 g each of o2 n2 co2 and ne gas. calculate the volume of this mixture at stp

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 →

List four observations that indicate that a chemical reaction may be taking place

Type the letter that represents the correct location for each particle type below.