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View Resource Galvanized Metal Lab

This lab experiment "uses a piece of galvanized metal to quantify the loss of atoms during a chemical reaction." A piece of galvanized metal will be placed in muratic acid; students will re-determine the mass of the metal afterwards. The main goal of the experiment is to teach students the relative difference in reactives of iron and zinc to muratic acid. This activity would be appropriate...

View Resource Speed Rusting and Hot Hands

This experiment will demonstrate the heat that is released when iron is oxidized. Students will learn to prepare chemical mixtures safely, identify when a chemical reaction is taking place, observe the results of an exothermic chemical reaction and the effects of differing constituents on the rate of the reaction, and apply their observations to the refining and corrosion of iron. This...

View Resource Great Chemistry! How is Energy Released in Chemical Reactions?

The Materials Science and Technology Teacher's Workshop (MAST) provides this activity to look at the ways in which energy is released in chemical reactions. The class will examine plaster of paris, bromthymol blue and the hydration of baking soda. Students will observe the temperature changes of each. The lesson includes step by step directions for the experiment. Discussion questions and...

View Resource Floating Pennies Demonstration

The Materials Science and Technology Teacher's Workshop (MAST) provides this demonstration on the different reactivities of copper and zinc to hydrochloric acid. In this module, the reactivities of copper and zinc to hydrochloric acid will be used to separate the two metals in a post-1983 penny. The percent of zinc and of copper can be calculated as well as the economic value of each. The...

View Resource Redox Activity

This resource provides an introductory activity on redox reactions. As the module states, "Redox is short for reduction/oxidation, a pair of chemical processes that always occur together. Reduction is a gain of electrons, and oxidation involves a loss of electrons." The activity covers concepts such as electronegativity and electron distribution, sharing electrons differently, full exchange of...

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