Chapter_19_Directed_Reading Overview Chemical Reactions

Name Date Class


Overview
Chemical Reactions
Directions: Complete the concept map using the terms in the list below.

two or more substances decomposition compounds
single displacement element combine

Types of


chemical reactions



include

1. 2. double
synthesis
displacement


in which in which in which one in which two
substances substances

3. 4.
break apart positive ions


replaces replace each other
to form a to form to form two new
another in a

new 5. 6.
compound
substance



Directions: Write the letter of the term or phrase that best completes the sentence.

7. Which of the following does not speed up the rate of a chemical
reaction?
a. higher temperature b. more surface area
c. lower air pressure d. catalyst
8. In the equation H2(g) + O2(g) ⇌ H2O(l), the symbol ⇌ represents:
a. equilibrium b. precipitation c. Le Chatelier d. displacement




Chemical Reactions 15
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