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Chemical Reactions Experiment Guide

Conduct experiments with zinc and iron in chemical solutions to observe reactions and learn how to balance equations and classify reactions. Identify products, gases formed, and color changes.

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Chemical Reactions Experiment Guide

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  1. Experiment – Part A Drop a small piece of zinc into a test tube containing 1-2 ml of 1.0 M hydrochloric acid solution. Results REACTANTS PRODUCTS Zinc + Hydrochloric Acid → ………………....... + …………………………..

  2. http://www.harpercollege.edu/tm-ps/chm/100/dgodambe/thedisk/chemrxn/7perform.htmhttp://www.harpercollege.edu/tm-ps/chm/100/dgodambe/thedisk/chemrxn/7perform.htm TASKS 1. Complete and balance the equation. Zinc + Hydrochloric Acid → ………………....... + …………………….. ……… + ……………………… → …………………… + ………………………. • Classify the reaction : • Combination reaction; • Decomposition reaction ; • Precipitation reaction; • Combustion reaction; • Neutralisation reaction; or a • Displacement reaction What gas was formed? ………………………………………………………………..

  3. Experiment – Part B Drop a small piece of iron into a test tube containing 1-2 ml of 1.0 M copper (II) sulfate solution. Results REACTANTS PRODUCTS iron + copper (II) sulfate→ ………………………… + …………………………….

  4. TASKS 1. Complete and balance the equation. ……………………… + ……………………. → ………………………. + …………………….. 2. Classify the reaction.3. The blue color in the copper sulfate solution is due to the presence of what ion?4. Predict the color of a copper nitrate solution.

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