Chemical Reactions and You By Zoe and Ananya

Summary

During this demonstration, the students and instructors will learn about the types of chemical reactions, When watching this, they should expect the creation of sodium acetate and the production of hydrogenous gases and calcium hydroxide.

Concepts

What kinds of chemical reactions are there? There are four types of chemical reactions. Single replacement, double replacement, synthesis, and decomposition. In this experiment, we will be explaining three of these reactions. These are important concepts for when experimenting with chemicals, or even just using a chemical formula that has already been created. In this demonstration you will see single replacement, double replacement, and decomposition. During the demonstration, we will explain their properties.

Materials and Procedure

Experiment 1 "Baking Soda and Vinegar"

  • 1 /2 cup of clear vinegar
  • 1.5 tablespoons of baking soda
  • 1 glass baking dish pan
  • 1 empty water bottle(size of 16.9-20 ounces)
  • 1.5 cups of warm water
  • 5 drops of dish liquid
  • Food dye (optional)

Take a glass baking dish pan, and place an empty water bottle in the middle of it. Then, you should pour the warm water into the water bottle. After that, you should put some dish liquid in the bottle. Now the water is light green, and once you put the baking soda in the water, it will not be very clear. And your last step is to add the vinegar very slowly into the bottle, this will cause a volcano-like eruption.

Experiment 2 "Calcium Metal"

  • Calcium metal
  • Water
  • 1 beaker
  • Food dye (optional)
  • Safety goggles/glasses for each person

First, put on your safety goggles or glasses. Next, place the beaker in the test tube holder, or have someone hold the beaker. Afterwards, pour the water into the beaker. At this time you should also add the food dye if you have chosen to use it. Finally, add the calcium metal to the water, and watch the magic happen.

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