who is good at 6th grade science and is willing to help we with a test i have rn? its easy stuff its like A B C or D answers pl

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 →

Consider the nuclear equation below. 239/94 pu—-> x+ 4/2 he. what is x?

What is the mass of each element in a 324.8 sample of co2