Imagine that your only choice for insulation is newspaper. You MUST keep this ice frozen for more than eight hours. Explain how you could modify this design, using newspaper as an insulating material, to produce more effective results.

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 →

98 ! and brainliest plz ! the below reaction can be categorized as more than one type of reaction. which reactions are these, and what are the types of reactions?

What is the percent by mass of magnesium sulfate in mgso4.7h2o