ch. 11, sec. 2 types of chemical reactions by hamdy karim

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chemistry

© Copyright Pearson Prentice Hall

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Types of Chemical Reactions

The heat and smoke of burning charcoal are the products of a combustion reaction. Combustion is one of the five general types of chemical reactions. If you can recognize a reaction as being a particular type, you may be able to predict the products of the reaction.

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Types of Chemical Reactions > Classifying Reactions

Classifying Reactions

What are the five general types of reactions?

11.2


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The five general types of reaction are combination, decomposition, single-replacement, double-replacement, and combustion.

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Combination Reactions

A combination reaction is a chemical change in which two or more substances react to form a single new substance.

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Practice Problems for Conceptual Problem 11.4

Problem Solving 11.14 Solve Problem 14 with the help of an interactive guided tutorial.

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Decomposition Reactions

A decomposition reaction is a chemical change in which a single compound breaks down into two or more simpler products.

11.2


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Single-Replacement Reactions

A single-replacement reaction is a chemical change in which one element replaces a second element in a compound.

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The activity series of metals lists metals in order of decreasing reactivity.

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Double-Replacement Reactions

A double-replacement reaction is a chemical change involving an exchange of positive ions between two compounds.

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Combustion Reactions

A combustion reaction is a chemical change in which an element or a compound reacts with oxygen, often producing energy in the form of heat and light.

11.2


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Types of Chemical Reactions > Predicting the Products of a Chemical Reaction

Predicting the Products of a Chemical Reaction

How can you predict the products of the five general types of reactions?

11.2


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The number of elements and/or compounds reacting is a good indicator of possible reaction type and thus possible products.

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Simulation 12

Practice classifying reactions according to reaction type.

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11.2


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Section Quiz

-or-Continue to: Launch:

Assess students’ understanding of the concepts in Section 11.2.

11.2 Section Quiz.


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1. What type of reaction is described by the following equation?

6Li + N2 2Li3N

a. combination reaction

b. decomposition reaction

c. single-replacement reaction

d. combustion reaction

11.2 Section Quiz.


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11.2 Section Quiz.

2. Balance the following equation and indicate whether it represents a combustion, combination, or decomposition reaction.

H2SO4 H2O2 + SO2

a. H2SO4 H2O2 + SO2, combination reaction

b. H2SO4 H2O2 + SO2, decomposition reaction

c. H2SO4 2H2O2 + SO2, combination reaction

d. H2SO4 2H2O2 + SO2, decomposition reaction


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11.2 Section Quiz.

3. Predict the missing product in the following unbalanced equation.

Pb(NO3)2 + KOH KNO3 + ____________

a. PbOH2

b. Pb(OH)4

c. Pb(OH)2

d. PbOH

END OF SHOW

ch. 11, sec. 2 types of chemical reactions by hamdy karim

Education

chemical change

chemical reactionslide

chemical reactionpredicting

chemical reactionsimulation

general types of reactions

conceptual problem

possible products

simpler products