Part A Carbonic acid reacts with water to yield bicarbonate ions and hydronium ions: H2CO3 + H2O=HCO3¯+H3O+ Identify the conjugate acid-base pairs. Drag each item to the appropriate bin. • View Available Hint(s) Reset Help H20 HCO3 H2CO3 H30+ Acid Conjugate base Base Conjugate acid

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Chapter15: Acids And Bases
Section: Chapter Questions
Problem 15.115QP: Ethanol (ethyl alcohol), CH3CH2OH, can act as a BrnstedLowry acid. Write the chemical equation for...
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Acids and bases have been defined in different ways. Arrhenius defined an acid as a compound that dissolves in water to increase the concentration of H*, and a base as a compound
that increases the concentration of OH-. Later, Brønsted and Lowry modified the definition: Acids are proton donors, and bases are proton acceptors. The Brønsted-Lowry definition of
acids and bases is represented generically by this reaction, where HA is an acid and B is a base:
НА + В — А+ BH-
An acid that has lost a proton is that acid's conjugate base (A¯). A base that has accepted a proton is that base's conjugate acid (BH†). For each acid-base reaction, there are two
conjugate acid-base pairs.
The word conjugate is related to the word conjugal, which means "having to do with marriage." A wife is only a wife to her husband, and a husband is only a husband to his wife. Similarly,
a conjugate acid is defined as "conjugate" only in relation to the base from which it is derived, and a conjugate base is so defined only in relation to the acid from which it is derived.
Conjugate acid-base pairs are identified as pairs because they are defined only in relation to each other.
Part A
Carbonic acid reacts with water to yield bicarbonate ions and hydronium ions:
H2 CO3 + H2O =HCO;¯+H3O+
Identify the conjugate acid-base pairs.
Drag each item to the appropriate bin.
• View Available Hint(s)
Reset
Help
H2O
HCO3
H2CO3
H3O+
Acid
Conjugate base
Base
Conjugate acid
Transcribed Image Text:Acids and bases have been defined in different ways. Arrhenius defined an acid as a compound that dissolves in water to increase the concentration of H*, and a base as a compound that increases the concentration of OH-. Later, Brønsted and Lowry modified the definition: Acids are proton donors, and bases are proton acceptors. The Brønsted-Lowry definition of acids and bases is represented generically by this reaction, where HA is an acid and B is a base: НА + В — А+ BH- An acid that has lost a proton is that acid's conjugate base (A¯). A base that has accepted a proton is that base's conjugate acid (BH†). For each acid-base reaction, there are two conjugate acid-base pairs. The word conjugate is related to the word conjugal, which means "having to do with marriage." A wife is only a wife to her husband, and a husband is only a husband to his wife. Similarly, a conjugate acid is defined as "conjugate" only in relation to the base from which it is derived, and a conjugate base is so defined only in relation to the acid from which it is derived. Conjugate acid-base pairs are identified as pairs because they are defined only in relation to each other. Part A Carbonic acid reacts with water to yield bicarbonate ions and hydronium ions: H2 CO3 + H2O =HCO;¯+H3O+ Identify the conjugate acid-base pairs. Drag each item to the appropriate bin. • View Available Hint(s) Reset Help H2O HCO3 H2CO3 H3O+ Acid Conjugate base Base Conjugate acid
▼
Part B
Bicarbonate reacts with water to produce carbonate ions and hydronium ions:
HCO; + H20 = CO3²- +H3O+
Identify the conjugate acid-base pairs.
Drag each item to the appropriate bin.
• View Available Hint(s)
Reset
Help
H30+
HCO3
CO2?-
H20
Acid
Conjugate base
Base
Conjugate acid
Transcribed Image Text:▼ Part B Bicarbonate reacts with water to produce carbonate ions and hydronium ions: HCO; + H20 = CO3²- +H3O+ Identify the conjugate acid-base pairs. Drag each item to the appropriate bin. • View Available Hint(s) Reset Help H30+ HCO3 CO2?- H20 Acid Conjugate base Base Conjugate acid
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