Chemistry 12
4.1 Identifying Acids and Bases
Warm Up Properties of Acids and Bases
Property/Observation
Acid
Base
Reaction with
Phenolphthalein pink
Feel
pH
Taste
Conducts Electricity
Reacts with metal to
produce H2 gas
Properties due to
Production of H2 and O2 gas Bottle Rocket Demo (Just for fun)
1. Define an acid and a base from the Arrhenius Theory.
a. Acid:
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b. Base:
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2. Complete Practice prob’s pg. 217 Identifying Arrhenius Acids and Bases
3. Define an acid and a base from the Bronsted-Lowry perspective.
a. Acid:
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b. Base:
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4. Complete the Practice prob’s pg. 220 Identifying Conjugate Acid-Base pairs.
5. Define an amphiprotic substance:
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6. Complete the quick check problems pg. 221 in the space below or in your book.
a. Write the equation for a reaction between HCO3 and CN where HCO3
acts as an acid.
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b. Write an equation for a reaction between and H2O where HCO3 acts as a
base.
c. Write the list of substances and circle which are amphiprotic