Balance the following equations
Na3PO4 + KOH  NaOH + K3PO4
MgF2 + Li2CO3  MgCO3 + LiF
P4 + O2  P2O3
RbNO3 + BeF2  Be(N...
The heat and smoke of
burning charcoal are the
products of a combustion
reaction. Combustion is one
of the five general ty...
The five general types of reaction are
combination, decomposition, single-
replacement, double-replacement, and
combustion.
In a combination reaction two or
more substances combine
to form ONE new
substance.
In a decomposition reaction a
single compound breaks down into
two or more simpler products.
In a single-replacement reaction
one element replaces a second
element in a compound.
The activity
series lists
metals in order
of decreasing
reactivity. It can
be used to predict if
a single-replacement
reac...
In a double-replacement reaction
positive ions are exchanged
between two compounds.
for Conceptual Problem 11.7
In a combustion reaction an
element or a compound reacts with
oxygen, often producing energy in
the form of heat and light.
The products of a combustion
reaction are usually CO2 and H2O
The elements and/or compounds
reacting are good indicators of the
reaction type which can help you
predict the reaction’s ...
1. What type of reaction is described by
the following equation?
6Li + N2 → 2Li3N
a) combination reaction
b) decomposition...
2. Balance the following equation and
indicate whether it represents a
combustion, combination, or
decomposition reaction....
3. Predict the missing product in the
following unbalanced equation.
Pb(NO3)2 + KOH → KNO3 + ____________
a. PbOH2
b. Pb(O...
Lecture 11.2- Chemical Reactions
Lecture 11.2- Chemical Reactions
Lecture 11.2- Chemical Reactions
Lecture 11.2- Chemical Reactions
Lecture 11.2- Chemical Reactions
Lecture 11.2- Chemical Reactions
Lecture 11.2- Chemical Reactions
Lecture 11.2- Chemical Reactions
Lecture 11.2- Chemical Reactions
Lecture 11.2- Chemical Reactions
Lecture 11.2- Chemical Reactions
Lecture 11.2- Chemical Reactions
Lecture 11.2- Chemical Reactions
Lecture 11.2- Chemical Reactions
Lecture 11.2- Chemical Reactions
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Lecture 11.2- Chemical Reactions

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Section 11.2 lecture for Honors & Prep Chemistry

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  • When ignited, magnesium ribbon reacts with oxygen in the surrounding air to form magnesium oxide, a white solid. This is a combination reaction. Observing Why do you think this reaction was once used in flashbulbs for photography?
  • When orange-colored mercury(II) oxide is heated, it decomposes into its constituent elements: liquid mercury and gaseous oxygen. Comparing and Contrasting How are the two reactions pictured so far similar? How are they different?
  • The alkali metal potassium displaces hydrogen from water and forms a solution of potassium hydroxide in a single-replacement reaction. The heat of the reaction is often sufficient to ignite the hydrogen. Inferring Why are alkali metals stored under mineral oil or kerosene?
  • Aqueous solutions of potassium carbonate and barium chloride react in a double-replacement reaction to form the white precipitate barium carbonate. Potassium chloride, the other product of the reaction, remains in solution.
  • Methane gas reacts with oxygen from the surrounding air in a combustion reaction to produce carbon dioxide and water. Inferring What else is produced in this reaction?
  • The five types of chemical reactions discussed in this chapter are summarized here.
  • The five types of chemical reactions discussed in this chapter are summarized here.
  • The five types of chemical reactions discussed in this chapter are summarized here.
  • The five types of chemical reactions discussed in this chapter are summarized here.
  • Lecture 11.2- Chemical Reactions

    1. 1. Balance the following equations Na3PO4 + KOH  NaOH + K3PO4 MgF2 + Li2CO3  MgCO3 + LiF P4 + O2  P2O3 RbNO3 + BeF2  Be(NO3)2 + RbF
    2. 2. 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.
    3. 3. The five general types of reaction are combination, decomposition, single- replacement, double-replacement, and combustion.
    4. 4. In a combination reaction two or more substances combine to form ONE new substance.
    5. 5. In a decomposition reaction a single compound breaks down into two or more simpler products.
    6. 6. In a single-replacement reaction one element replaces a second element in a compound.
    7. 7. The activity series lists metals in order of decreasing reactivity. It can be used to predict if a single-replacement reaction will occur.
    8. 8. In a double-replacement reaction positive ions are exchanged between two compounds.
    9. 9. for Conceptual Problem 11.7
    10. 10. In a combustion reaction an element or a compound reacts with oxygen, often producing energy in the form of heat and light.
    11. 11. The products of a combustion reaction are usually CO2 and H2O
    12. 12. The elements and/or compounds reacting are good indicators of the reaction type which can help you predict the reaction’s products. 2reactants1 product combination 1reactant  2 products decomposition ionic + element  single replacement Two ionic reactants  double replacement __ + O2  CO2 + H2O combustion
    13. 13. 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
    14. 14. 2. Balance the following equation and indicate whether it represents a combustion, combination, or decomposition reaction. H2SO4 → H2O2 + SO2 a. H2SO4 → H2O2 + SO2, combination b. H2SO4 → H2O2 + SO2, decomposition c. H2SO4 → 2H2O2 + SO2, combination d. H SO → 2H O + SO , decomposition
    15. 15. 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

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