Reactions in Our World: Pre-Lab Activity Worksheet Instructions: In this pre-lab activity, you will complete and balance the chemical equations for each chemical reaction in the virtual lab activity. You will need this information for your data table and conclusion questions in the lab report. Finish each chemical equation below using the Chemical Equation Checklist to assist you.

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 →