Concept explainers
(a)
Interpretation:
The equilibrium constant for the reaction,
Concept introduction:
In a
Answer to Problem 26E
The expression for equilibrium constant for the dissociation of
Explanation of Solution
The given reaction is shown below.
For weak bases, the equilibrium constant
As the concentration of liquid and solid is not considered while writing the expression, therefore water is not included in the equilibrium expression.
The expression for equilibrium constant for the dissociation of
(b)
Interpretation:
The equilibrium constant for the reaction,
Concept introduction:
In a chemical reaction, when the rates of both forward and reverse reaction are equal then the chemical reaction is said to be at equilibrium. They are reversible in nature. Equilibrium constant is denoted as
Answer to Problem 26E
The expression for equilibrium constant for the dissociation of
Explanation of Solution
The given reaction is shown below.
For weak bases, the equilibrium constant
As the concentration of liquid and solid is not considered while writing the expression, therefore water is not included in the equilibrium expression.
The expression for equilibrium constant for the dissociation of
(c)
Interpretation:
The equilibrium constant for the reaction,
Concept introduction:
In a chemical reaction, when the rates of both forward and reverse reaction are equal then the chemical reaction is said to be at equilibrium. They are reversible in nature. Equilibrium constant is denoted as
Answer to Problem 26E
The expression for equilibrium constant for the dissociation of
Explanation of Solution
The given reaction is shown below.
For weak bases, the equilibrium constant
As the concentration of liquid and solid is not considered while writing the expression, therefore water is not included in the equilibrium expression.
The expression for equilibrium constant for the dissociation of
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Chapter 16 Solutions
Introductory Chemistry: Concepts and Critical Thinking (8th Edition)
- . In each of the following chemical equations, identify the conjugate acid-base pairs. a. NH3(aq)+H2O(l)NH4+(aq)+OH(aq) b. PO43(aq)+H2O(1)HPO42(aq)+OH(aq) c. C2H3O2(aq)+H2O(l)HC2H3O2(aq)+OH(aq)arrow_forwardWrite the chemical equation and the expression for the equilibrium constant, and calculate Kb for the reaction of each of the following ions as a base. (a) sulfate ion (b) citrate ionarrow_forwardWrite chemical equations showing the individual proton-transfer steps that occur in aqueous solution for each of the following acids. a. H2C2O4 (oxalic acid) b. H2C4H4O6 (tartaric acid)arrow_forward
- . Write the conjugate base for each of the following acids. a. HBrO b. HNO2 c. HSO3 d. CH3NH3+arrow_forwardUsing the diagrams shown in Problem 10-37, which of the four acids is the weakest acid?arrow_forwardWrite the base ionization constant expression for the ionization of each of the following bases. In each case, the nitrogen atom accepts the proton. a. CH3NH2 (methylamine) b. C2H5NH2 (ethylamine)arrow_forward
- In each of the following acid-base reactions, identify the Brnsted acid and base on the left and their conjugate partners on the right. (a) HCO2H(aq) + H2O() HCO2(aq) + H3O+(aq) (b) NH3(aq) + H2S(aq) NH4+(aq) + HS(aq) (c) HSO4(aq) + OH(aq) SO42(aq) + H2O+()arrow_forwardIndicate whether or not the two members of each of the following pairs of substances constitute a conjugate acidbase pair. a. HCl and Cl b. NH4+ and NH3 c. H2CO3 and CO32 d. H2PO4 and HPO42arrow_forwardWrite the acid ionization constant expression for the ionization of each of the following monoprotic acids. a. HCN (hydrocyanic acid) b. HC6H7O6 (ascorbic acid)arrow_forward
- In each of the following acid-base reactions, identify the Brnsted acid and base on the left and their conjugate partners on the right. (a) C2H5N(aq) + CH3CO2H(aq) C5H5NH+(aq) + CH3CO2(aq) (b) N2H4(aq) + HSO4(aq) N2H5+(aq) + SO42(aq) (c) [Al(H2O)6]3+ (aq) + OH(aq) [Al(H2O)5OH]2+ (aq) + H2O+()arrow_forwardWhat is the freezing point of vinegar, which is an aqueous solution of 5.00% acetic acid, HC2H3O2, by mass (d=1.006g/cm3)?arrow_forwardWrite a chemical equation to describe the proton transfer that occurs when each of these acids is added to water. (a) HCO3 (b) HCl (c) CH3COOH (d) HCNarrow_forward
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