General Chemistry - Standalone book (MindTap Course List)
11th Edition
ISBN: 9781305580343
Author: Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Publisher: Cengage Learning
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Textbook Question
Chapter 15, Problem 15.46QP
Complete the following equation. Using Table 15.2, predict whether you would expect the reaction to occur to any significant extent or whether the reaction is more likely to occur in the opposite direction.
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Acidity of a solution is determined by the concentration H of hydrogen ions in the solution (measured in moles per liter of solution). Chemists use the negative of the logarithm of the concentration of hydrogen ions to define the pH scale. pH = − log H
Solution A has a pH value of 5.6 and solution B has a pH value of 2.7. Compare the acidity of the two solutions.
a) Solution A is more acidic by a factor of 2.07b) Solution B is more acidic by a factor of 794.33c) Solution A is more acidic by a factor of 794.33d) Solution A is more acidic by a factor of 2.90
Consider the following acidic equilibrium: H₂CO₃(aq) + H₂O(l) ⇌ HCO₃⁻(aq) + H₃O⁺(aq). If you add NaHCO₃ to this solution, which of the following will occur?
A) The reaction quotient will decrease.
B) The reaction will shift in the reverse direction.
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D) No changes to the equilibrium positions will take place.
CH3CH2COOH
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?
Chapter 15 Solutions
General Chemistry - Standalone book (MindTap Course List)
Ch. 15.2 - For the reaction H2CO3(aq)+CN(aq)HCN(aq)+HCO3(aq)...Ch. 15.2 - Prob. 15.1CCCh. 15.3 - Identify the Lewis acid and the Lewis base in each...Ch. 15.4 - Prob. 15.3ECh. 15.4 - Prob. 15.2CCCh. 15.5 - Which member of each of the following pairs is the...Ch. 15.7 - A solution of barium hydroxide at 25C is 0.125 M...Ch. 15.7 - Prob. 15.6ECh. 15.7 - Rank the following solutions from most acidic to...Ch. 15.8 - What is the pH of a sample of gastric juice...
Ch. 15.8 - A saturated solution of calcium hydroxide has a...Ch. 15.8 - A brand of carbonated beverage has a pH of 3.16....Ch. 15.8 - A 0.010 M solution of ammonia, NH3, has a pH of...Ch. 15.8 - Prob. 15.4CCCh. 15 - Which of the following are strong acids? Which are...Ch. 15 - Describe any thermochemical (heat of reaction)...Ch. 15 - Prob. 15.3QPCh. 15 - Prob. 15.4QPCh. 15 - Write an equation in which H2PO3 acts as an acid...Ch. 15 - Describe four ways in which the BrnstedLowry...Ch. 15 - Prob. 15.7QPCh. 15 - Explain why an acidbase reaction favors the weaker...Ch. 15 - Give two important factors that determine the...Ch. 15 - Prob. 15.10QPCh. 15 - Prob. 15.11QPCh. 15 - Prob. 15.12QPCh. 15 - Prob. 15.13QPCh. 15 - Prob. 15.14QPCh. 15 - The conjugate base of hydrofluoric acid dissolved...Ch. 15 - In the following reaction, identify the Lewis...Ch. 15 - Calculate the hydronium-ion concentration at 25C...Ch. 15 - The pH of a solution is 9.55 at 25C What is the...Ch. 15 - Acids You make a solution by dissolving 0.0010 mol...Ch. 15 - Strong Acids, Weak Acids, and pH Two 0.10-mol...Ch. 15 - Prob. 15.21QPCh. 15 - Prob. 15.22QPCh. 15 - Prob. 15.23QPCh. 15 - Compare the structures of HNO2 and H2CO3. Which...Ch. 15 - Prob. 15.25QPCh. 15 - Prob. 15.26QPCh. 15 - A strong monoprotic acid, with the molecular...Ch. 15 - A weak acid, HA, is dissolved in water. Which one...Ch. 15 - Write the balanced reaction of hydroxide ion with...Ch. 15 - Write the balanced reaction of hypobromous acid,...Ch. 15 - Give the conjugate base to each of the following...Ch. 15 - Give the conjugate base to each of the following...Ch. 15 - Give the conjugate acid to each of the following...Ch. 15 - Give the conjugate acid to each of the following...Ch. 15 - For the following reactions, label each species as...Ch. 15 - For the following reactions, label each species as...Ch. 15 - The following shows ball-and-stick models of the...Ch. 15 - The following shows ball-and-stick models of the...Ch. 15 - Complete each of the following equations. Then...Ch. 15 - Complete each of the following equations. Then...Ch. 15 - In the following reactions, identify each reactant...Ch. 15 - In the following reactions, label each reactant as...Ch. 15 - Natural gas frequently contains hydrogen sulfide,...Ch. 15 - Coal and other fossil fuels usually contain sulfur...Ch. 15 - Complete the following equation. Using Table 15.2,...Ch. 15 - Complete the following equation. Using Table 15.2,...Ch. 15 - Use Table 15.2 to decide whether the species on...Ch. 15 - Use Table 15.2 to decide whether the species on...Ch. 15 - Prob. 15.49QPCh. 15 - In the following reaction of tetrafluoroboric...Ch. 15 - For each of the following pairs, give the stronger...Ch. 15 - Order each of the following pairs by acid...Ch. 15 - What are the concentrations of H3O+ and OH in each...Ch. 15 - What are the concentrations of H3O+ and OH in each...Ch. 15 - A solution of hydrochloric acid is 0.059 M HCl....Ch. 15 - A solution is 0.030 M HNO3 (nitric acid). What is...Ch. 15 - What are the hydronium-ion and the hydroxide-ion...Ch. 15 - A saturated solution of magnesium hydroxide is 3.2...Ch. 15 - The following are solution concentrations....Ch. 15 - The following are solution concentrations....Ch. 15 - A shampoo solution at 25C has a hydroxide-ion...Ch. 15 - An antiseptic solution at 25C has a hydroxide-ion...Ch. 15 - Which of the following pH values indicate an...Ch. 15 - Which of the following pH values indicate an...Ch. 15 - For each of the following, state whether the...Ch. 15 - Prob. 15.66QPCh. 15 - Obtain the pH corresponding to the following...Ch. 15 - Obtain the pH corresponding to the following...Ch. 15 - A sample of vinegar has a hydronium-ion...Ch. 15 - Some lemon juice has a hydronium-ion concentration...Ch. 15 - Obtain the pH corresponding to the following...Ch. 15 - Obtain the pH corresponding to the following...Ch. 15 - A solution of washing soda (sodium carbonate,...Ch. 15 - A solution of lye (sodium hydroxide, NaOH) has a...Ch. 15 - The pH of a cup of coffee (at 25C) was found to be...Ch. 15 - A wine was tested for acidity, and its pH was...Ch. 15 - A detergent solution has a pH of 11.80 at 25C....Ch. 15 - Morphine is a narcotic that is used to relieve...Ch. 15 - A 1.00-L aqueous solution contained 5.80 g of...Ch. 15 - A 1.00-L aqueous solution contained 6.78 g of...Ch. 15 - A certain sample of rainwater gives a yellow color...Ch. 15 - A drop of thymol blue gave a yellow color with a...Ch. 15 - Identify each of the following as an acid or a...Ch. 15 - Which of the following substances are acids in...Ch. 15 - Write a reaction for each of the following in...Ch. 15 - Write a reaction for each of the following in...Ch. 15 - Prob. 15.87QPCh. 15 - Prob. 15.88QPCh. 15 - Prob. 15.89QPCh. 15 - Prob. 15.90QPCh. 15 - Prob. 15.91QPCh. 15 - List the following compounds in order of...Ch. 15 - A solution is 0.18 M KOH. What are the...Ch. 15 - A solution is 0.25 M Sr(OH)2. What are the...Ch. 15 - Prob. 15.95QPCh. 15 - A sample of lemon juice has a hydronium-ion...Ch. 15 - Prob. 15.97QPCh. 15 - A sample of grape juice has a pH of 4.15. What is...Ch. 15 - A 4.640-g sample of a mixture of sodium hydrogen...Ch. 15 - A 2.500-g sample of a mixture of sodium carbonate...Ch. 15 - Prob. 15.101QPCh. 15 - The dihydrogen phosphate ion has the ability to...Ch. 15 - Prob. 15.103QPCh. 15 - Prob. 15.104QPCh. 15 - Prob. 15.105QPCh. 15 - Show how methylamine, CH3NH2, is a BrnstedLowry...Ch. 15 - Prob. 15.107QPCh. 15 - Prob. 15.108QPCh. 15 - Prob. 15.109QPCh. 15 - Prob. 15.110QPCh. 15 - Prob. 15.111QPCh. 15 - Hydrazine, N2H4 (having the structure H2NNH2), and...Ch. 15 - Prob. 15.113QPCh. 15 - Liquid ammonia undergoes autoionization similar to...Ch. 15 - Ethanol (ethyl alcohol), CH3CH2OH, can act as a...Ch. 15 - Ethanol, CH3CH2OH, can undergo auto-ionization....Ch. 15 - Aluminum chloride, AlCl3, reacts with...Ch. 15 - Consider each of the following pairs of compounds,...Ch. 15 - Arrange each of the following in order of...Ch. 15 - The following is a table of some of the oxoacids...Ch. 15 - Suppose you have 557 mL of 0.0300 M HCl, and you...Ch. 15 - Prob. 15.122QPCh. 15 - You want to make up 3.00 L of aqueous hydrochloric...Ch. 15 - Prob. 15.124QPCh. 15 - Prob. 15.125QPCh. 15 - Pure liquid ammonia ionizes in a way similar to...Ch. 15 - A solution contains 4.25g of ammonia per 250.0 mL...Ch. 15 - A solution contains 0.675 g of ethylamine,...Ch. 15 - Prob. 15.129QPCh. 15 - Hypophosphorous acid, H3PO2, and phosphoric acid,...Ch. 15 - Boron trifluoride, BF3, and ammonia, NH3, react to...Ch. 15 - Boron trifluoride, BF3, and diethyl ether,...
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