Andrew is describing the water cycle in three steps, as shown in this simple model. which statement belongs in the third region?

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 many moles are contained in 5.6 l of h2 at stp

#20 which type of bond is formed when bases pair in dna? ionic bond covalent bond coordinate bond hydrogen bond