Table 3: Reactivity with Hydrochloric Acid (4 points) Calculation Calculation Year Final 1: 4% 1: 4% Zinc Initial Mass copper Observations after Observations of after calculations filing but before HCI During After HCI HCI(E) calculations for belp for belp) Observations of experimental technique: Safety precautions taken by Treatment of the waste (how did they dispose of the Table 4: Decomposition of Pennies with Heat (4 point) Year of Mint Observations before Hear Observations During After Heat Observations of experimental technique: Safety precautions taken by the experimenter