How do I solve this "Aqueous iron(II) chloride reacts with aqueous lithium bromide to form aqueous iron(II) bromide and aqueous lithium bromide. " I have to put a formula as my answer.

Energy is released during which phase changes? check all that apply. boiling condensing depositing freezing melting subliming

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 →

Which of the following is always a reactant in a combustion reaction? oxygen nitrogen hydrogen carbon