Chemical Reactions

by Thomas Worroll

Last Updated: December 10, 2001

Introduction: The topic that we will be covering is chemical reactions. A chemical reaction is when you create new substances with new properties.

An example of this is when sodium joins with chlorine to create sodium chloride(table salt). Sodium is a highly active metal while chlorine is a poisonous gas, yet when they join they become table salt.

Chemical reactions occur around us all of the time. Leaves changing colors, food cooking, gasoline combusting to run our cars, and oil burning to heat our homes, are all examples of chemical reactions.

Because of the importance of chemical reactions in our everyday life it is important to understand them. In this unit we will focus on identifying when a chemical reaction is occurring and the types of chemical reactions.

Tasks:

Task 1: Go to the websites listed and take notes on the following.

a. List four major types of chemical reactions.

b. Define each.

c. Give the general chemical equation for each.

d. Give two specific examples of each.

e. List four subcategories of chemical reactions.

f. Give an specific example of each.(show chemical equation)

g. Define exothermic and endothermic reactions.

h. List four ways that you know a chemical reaction is occurring.

i. List, in order, the chemical activity of the following elements in single replacement reactions(from most active to least active)

copper

silver

zinc

aluminum

iron

Task 2: Take a quiz on the information you gathered and score at least 80%. If you do not achieve a grade of at least 80% then you will need to retake the quiz until a score of 80% is achieved.

Task 3: Design a pamphlet from the information you gathered on day 1.

Task 4: Create the pamphlet of the four major types of chemical reactions using Publisher.

Types of chemical reactions and chemical activity
http://www.cameron.k12.wi.us/high/chemistry/ch8men.html

Is a chemical reaction occurring? And types of chemical reactions.
http://pc65.frontier.osrhe.edu/hs/science/creact.htm

Exothermic and endothermic reactions. Types of chemical reactions
http://www.usoe.k12.ut.us/curr/science/core/8thgrd/integrated/ChemPhys/chemtype.htm

Credits