Name:
Date:
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Chemistry 11
Chapter 4 Outline
Chapter 4 Expressing and Measuring Chemical Change
By the end of this chapter, you should be able to do the following:
4.1 Writing and Balancing Chemical Equations – The magic of chemistry
 Apply the law of conservation of mass to balance formula equations
a.
b.
c.
d.
Chemical reactions run our world
The use of chemical shorthand
Balancing chemical equations
Keeping your balance – helpful hints
4.2 Classifying reactions and predicting products
 Explain chemical reactions in terms of the rearrangement of the atoms as bonds
are broken and new bonds are formed
 Devise balanced equations for various chemical reactions
a.
b.
c.
d.
e.
f.
Synthesis
Decomposition
Combustion
Single replacement
Double replacement
Neutralization
i.
Acid + Base 
ii.
Acid + carbonate 
iii.
NH4 + Base 
4.4 Energy Changes associated with Chem. Change
 Describe reactions in terms of energy changes
a. Sources of Energy
b. Energy in chemical bonds
c. Thermochemical equations vs ΔH notation
4.5 Calculating with Chemical Change – Stoichiometry
 Perform stoichiometric calculations involving chemical reactions
a.
b.
c.
d.
Moles to moles – application of the mole ratio
Mass to mass – the molar mass revisited
Gases – converting volume to volume
Solutions – using molarity in volume conversions
4.6 Stoichiometry in the real world - Excess/Limiting amounts, % Yield, Impurities
 Perform stoichiometric calculations involving chemical reactions
a. Excess and limiting – another issue to consider
b. Percentage purity – impure reactants
c. Percentage yield – incomplete reactions