I need a friend please

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 heavy is thanos? a) 3000 lbs b) all of it c) the price of tea in china d) heavy enough

How many moles are contained in 5.6 l of h2 at stp