Chemistry For Today: General, Organic, And Biochemistry, Loose-leaf Version
9th Edition
ISBN: 9781305968707
Author: Spencer L. Seager
Publisher: Brooks Cole
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Textbook Question
Chapter 15, Problem 15.21E
Write an equation to illustrate the equilibrium that is present when propanoic acid is dissolved in water. What structure predominates when
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The acetic acid/acetate buffer system is a common buffer used in the laboratory.
Write the equilibrium equation for the acetic acid/acetate buffer system. The formula of acetic acid is CH3CO2H
.
equilibrium equation:
Which way does the equilibrium shift if more H3O+
is added?
The equilibrium will shift to the left.
The equilibrium will shift to the right.
The equilibrium will not change.
Classify K2O
strong acid
weak acid
strong base
weak base
Consider the following data on some weak acids and weak bases:
acid
base
K,
K,
name
formula
name
formula
8-
3.0 x 10
-10
hypochlorous acid HCIO
aniline C6H5NH2 4.3 × 10
hydrocyanic acid
HCN
- 10
4.9 × 10
pyridine C3H3N
1.7 x 10
Use this data to rank the following solutions in order of increasing pH. In other words, select a 'l' next to the solution that will have the lowest pH, a '2' next to
the solution that will have the next lowest pH, and so on.
solution
pH
0.1 M C6H5NH3CI
choose one
0.1 M NaCN
choose one
0.1 M NaNOз
choose one
0.1 М KCIO
choose one
Chapter 15 Solutions
Chemistry For Today: General, Organic, And Biochemistry, Loose-leaf Version
Ch. 15 - Prob. 15.1ECh. 15 - Prob. 15.2ECh. 15 - Prob. 15.3ECh. 15 - What carboxylic acid is present in sour milk and...Ch. 15 - Write the correct IUPAC name for each of the...Ch. 15 - Write the correct IUPAC name for each of the...Ch. 15 - Prob. 15.7ECh. 15 - Prob. 15.8ECh. 15 - Prob. 15.9ECh. 15 - Prob. 15.10E
Ch. 15 - Prob. 15.11ECh. 15 - Prob. 15.12ECh. 15 - Prob. 15.13ECh. 15 - Caproic acid, a six-carbon acid, has a solubility...Ch. 15 - Why are acetic acid, sodium acetate, and sodium...Ch. 15 - List the following compounds in order of...Ch. 15 - Prob. 15.17ECh. 15 - Prob. 15.18ECh. 15 - Prob. 15.19ECh. 15 - Prob. 15.20ECh. 15 - Write an equation to illustrate the equilibrium...Ch. 15 - Prob. 15.22ECh. 15 - Complete each of the following reactions: a. b.Ch. 15 - Prob. 15.24ECh. 15 - Write a balanced reaction for the reaction of...Ch. 15 - Prob. 15.26ECh. 15 - Give the IUPAC name for each of the following: a....Ch. 15 - Prob. 15.28ECh. 15 - Prob. 15.29ECh. 15 - Prob. 15.30ECh. 15 - Prob. 15.31ECh. 15 - Give the name of a carboxylic acid or carboxylate...Ch. 15 - Prob. 15.33ECh. 15 - Prob. 15.34ECh. 15 - Complete the following reactions: a. b. c.Ch. 15 - Prob. 15.36ECh. 15 - Using the alcohol CH3CH2OH, show three different...Ch. 15 - Prob. 15.38ECh. 15 - Prob. 15.39ECh. 15 - Prob. 15.40ECh. 15 - Prob. 15.41ECh. 15 - Prob. 15.42ECh. 15 - Prob. 15.43ECh. 15 - Prob. 15.44ECh. 15 - Give the IUPAC name for each of the following: a....Ch. 15 - Prob. 15.46ECh. 15 - Prob. 15.47ECh. 15 - Prob. 15.48ECh. 15 - Prob. 15.49ECh. 15 - Prob. 15.50ECh. 15 - Prob. 15.51ECh. 15 - Prob. 15.52ECh. 15 - Complete the following reactions: a. b.Ch. 15 - Prob. 15.54ECh. 15 - Prob. 15.55ECh. 15 - Dihydroxyacetone reacts with phosphoric acid to...Ch. 15 - Prob. 15.57ECh. 15 - Prob. 15.58ECh. 15 - Prob. 15.59ECh. 15 - Prob. 15.60ECh. 15 - How many mL of a 0.100M NaOH solution would be...Ch. 15 - Prob. 15.62ECh. 15 - Prob. 15.63ECh. 15 - Prob. 15.64ECh. 15 - Prob. 15.65ECh. 15 - Prob. 15.66ECh. 15 - Prob. 15.67ECh. 15 - Why is it safe for us to consume foods like...Ch. 15 - Prob. 15.69ECh. 15 - Prob. 15.70ECh. 15 - Prob. 15.71ECh. 15 - Prob. 15.72ECh. 15 - Identify the functional group designated by each...Ch. 15 - Prob. 15.74ECh. 15 - Fats belong to the class of organic compounds...
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- Formic acid, HCOOH, is found in ants. Write a balanced chemical equation to represent why an aqueous solution of formic acid is acidic.arrow_forwardWrite an 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_forwardRelating the strength of an base to its dissociation A Strong Base A Weak Base - NAOH -NH3 - Na* -OH · OH -NH,* nen tten Write the dissociation reaction for a strong base like NaOH Write the dissociation reaction for a weak base like NH3. Differentiate how a strong base differs from a weak base Strong base weak basearrow_forward
- Consider the weak acid reaction: HA + H2O <-> H3O+ + A-1 and the reaction of its conjugate base: A-1 + H2O <-> HA + OH-1 Add the weak acid reaction and the conjugate base reaction together and write the net reaction. You do not need to include subscripts or superscripts. use the "=" sign for the arrow. [reaction]arrow_forwardCH3CH2COOH Draw the Lewis structure of the acid and mark the acidic hydrogen with an asterisk (*). Draw a Lewis structure of the conjugate base of the acid. Suppose the acid is neutralized with a strong base. a) Which of the two structures you drew in 6 and 7 would be the predominant form of the species at a pH well above that at the equivalence point? b) Which of the two structures would be the predominant form of the species at a very low pH, well below that at the equivalence point and similar to the pH near the start of the titration? c) At what point in the titration, if any, would there be equal amounts of the two forms?arrow_forwardFast fast fast fast fastarrow_forward
- Indicate whether an alcohol (ROH) with a pKa value of 15 has more charged or more neutral molecules in a solution with the pH valuesarrow_forwardFor the following reaction, the products are favored at equilibrium. Classify each of the reactants and products based on their strength as Bronsted-Lowry acids or bases. C3H10N4O2 + HCIO=HC3H1,N4O2* + CIO" Clear All Stronger Bronsted-Lowry acid HCIO Weaker Bronsted-Lowry HC3H1,N4O2* acid Stronger Bronsted-Lowry base C3H10N402 Weaker Bronsted-Lowry base CIOarrow_forwardConsider the following data on some weak acids and weak bases: acid base Ка K, name formula name formula -4 6.8 x 10 ethylamine C,H,NH, 6.4× 10 -4 hydrofluoric acid HF HCH,CO2 1.8 ×x 10 CH;N |1.7× 10 -5 acetic acid pyridine 1.7 x 10 Use this data to rank the following solutions in order of increasing pH. In other words, select a 'l' next to the solution that will have the lowest pH, a '2' next to the solution that will have the next lowest pH, and so on. solution pH 0.1 М KI choose one 0.1 M NaF choose one 0.1 М C2HsNHзBr choose one 0.1 M C5H5NHCI choose onearrow_forward
- Consider the following data on some weak acids and weak bases: acid name hydrocyanic acid hydrofluoric acid solution 0.1M NaCN 0.1 MKCI 0.1 MKF formula 0.1 MHONH, CI HCN HF Ка pH 4.9 × 10 6.8 x 10 10 base name hydroxylamine pyridine Use this data to rank the following solutions in order of increasing pH. In other words, select a '1' next to the solution that will have the lowest pH, a '2' next to the solution that will have the next lowest pH, and so on. Ko formula -8 HONH₂ 1.1 × 107 C₂H₂N 1.7×10 -9arrow_forwardConsider the following data on some weak acids and weak bases: base acid Κα a Ко name formula name formula hydrofluoric acid 4 HF 6.8 × 10 pyridine CH&N 1.7x10 acetic acid HCH3CO2 1.8 × 10¯¯ methylamine CH3NH2 4.4 × 10¯ -4 Use this data to rank the following solutions in order of increasing pH. In other words, select a '1' next to the solution that will have the lowest pH, a '2' next to the solution that will have the next lowest pH, and so on. 0.1 M KCI solution PH ✓ choose one 1 (lowest) 0.1 M CH3NH3Br 0.1 M C5H5NHCI 0.1 M NaF 2 3 4 (highest) choose one v Хarrow_forwardExplain what the role of NaOH is in this reaction.arrow_forward
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