Chemistry: Principles and Reactions
8th Edition
ISBN: 9781305079373
Author: William L. Masterton, Cecile N. Hurley
Publisher: Cengage Learning
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Textbook Question
Chapter 15, Problem 60QAP
Consider the following hypothetical dissociation:
(a) addition of A(NO3)3
(b) increase in temperature
(c) adding Na+, forming NaB
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Students have asked these similar questions
Ammonia is a weak base that reacts with water according to this equation:
NH3(aq) + H2O(l) ⇌ NH4+(aq) + OH −(aq)
Will any of the following increase the percent of ammonia that is converted to the ammonium ion in water?
(a) Addition of NaOH (b) Addition of HCl (c) Addition of NH4Cl.
The equilibrium constant for the reaction
N,O,(2) = 2NO,(8)
is 6.10 x 10 ' at 25'C. Calculate the value of K for this
reaction:
NO,(g) = 1/2N,O4(g)
(A) 327
(B) 164
(C) 12.8
(D) 3.05 × 10 ³
How many moles of HCOON must be added to 1.0 L of
0.10 M HCOOH to prepare a buffer solution with a pH of
3.4? (HCOOH K, = 2 × 10 “)
(A) 0.01
(B) 0.05
(C) 0.1
(D) 0.2
What is the percent ionization of a 0.10 M solution of formic acid at 25°C? Formic acid, HCOOH, has a
Ka value of 1.9 x 104 at 25°C.
(A) 0.19%
(B) 1.4%
(C) 4.4%
(D) 14%
Hemoglobin (Hb) transports oxygen in the blood:HbH⁺(aq)+O₂(aq)+H₂O(l) →HbO₂(aq)+H₃O⁺(aq) In blood, [H₃O⁺] is held nearly constant at 4X10⁻⁸ M.(a) How does the equilibrium position change in the lungs?(b) How does it change in O₂-deficient cells?(c) Excessive vomiting may lead to metabolic alkalosis, in which [H₃O⁺] in blood decreases. How does this condition af-fect the ability of Hb to transport O₂?(d) Diabetes mellitus may lead to metabolic acidosis, in which [H₃O⁺] in blood increases. How does this condition affect the ability of Hb to transport O₂?
Chapter 15 Solutions
Chemistry: Principles and Reactions
Ch. 15 - Write a net ionic equation for the reaction...Ch. 15 - Write a net ionic equation for the reaction...Ch. 15 - Write a balanced net ionic equation for the...Ch. 15 - Write a balanced net ionic equation for the...Ch. 15 - Calculate K for the reactions in Question 1.Ch. 15 - Calculate K for the reactions in Question 2.Ch. 15 - Calculate K for the reactions in Question 3.Ch. 15 - Calculate K for the reactions in Question 4.Ch. 15 - Calculate [H+] and pH in a solution in which...Ch. 15 - Calculate [OH-] and pH in a solution in which the...
Ch. 15 - A buffer is prepared by dissolving 0.0250 mol of...Ch. 15 - Prob. 12QAPCh. 15 - A buffer solution is prepared by adding 15.00 g of...Ch. 15 - A buffer solution is prepared by adding 5.50 g of...Ch. 15 - A solution with a pH of 9.22 is prepared by adding...Ch. 15 - An aqueous solution of 0.057 M weak acid, HX, has...Ch. 15 - Which of the following would form a buffer if...Ch. 15 - Which of the following would form a buffer if...Ch. 15 - Calculate the solubility (in grams per liter) of...Ch. 15 - Calculate the solubility (in grams per liter) of...Ch. 15 - Copper(l) chloride, CuCl, is the starting material...Ch. 15 - Prob. 22QAPCh. 15 - Prob. 23QAPCh. 15 - Ksp for CaSO4 at 100C is estimated to be1.6105. At...Ch. 15 - Prob. 25QAPCh. 15 - At 25C, 10.24 mg of Cr(OH)2 are dissolved in...Ch. 15 - Calcium nitrate is added to a sodium sulfate...Ch. 15 - Cadmium(ll) chloride is added to a solution of...Ch. 15 - Water from a well is found to contain 3.0 mg of...Ch. 15 - Silver(I) sulfate (Ksp=1.2105) is used in the...Ch. 15 - A solution is prepared by mixing 13.00 mL of...Ch. 15 - A solution is prepared by mixing 45.00 mL of 0.022...Ch. 15 - A solution is 0.047 M in both NaF and Na2CO3....Ch. 15 - Solid lead nitrate is added to a solution that is...Ch. 15 - A solution is made up by adding 0.632 g of barium...Ch. 15 - A solution is made up by adding 0.839 g of...Ch. 15 - Prob. 37QAPCh. 15 - To a beaker with 500 mL of water are added 95 mg...Ch. 15 - Write net ionic equations for the reaction of H+...Ch. 15 - Prob. 40QAPCh. 15 - Prob. 41QAPCh. 15 - Write a net ionic equation for the reaction with...Ch. 15 - Prob. 43QAPCh. 15 - Write a net ionic equation for the reaction with...Ch. 15 - Prob. 45QAPCh. 15 - Write an overall net ionic equation and calculate...Ch. 15 - Consider the reaction...Ch. 15 - Consider the reaction BaF2(s)+SO42(aq)BaSO4(s)+2...Ch. 15 - Aluminum hydroxide reacts with an excess of...Ch. 15 - Prob. 50QAPCh. 15 - Calculate the molar solubility of gold(I) chloride...Ch. 15 - Calculate the molar solubility of PbCl2 in 0.2 M...Ch. 15 - For the reaction...Ch. 15 - For the reaction Zn(OH)2(s)+2OH(aq)Zn(OH)42(aq)...Ch. 15 - What are the concentrations of Cu2+, NH3, and...Ch. 15 - Prob. 56QAPCh. 15 - Calcium ions in blood trigger clotting. To prevent...Ch. 15 - Prob. 58QAPCh. 15 - A town adds 2.0 ppm of F- ion to fluoridate its...Ch. 15 - Consider the following hypothetical dissociation:...Ch. 15 - Prob. 61QAPCh. 15 - Consider a 2.0-L aqueous solution of 4.17 M NH3,...Ch. 15 - Marble is almost pure CaCO3. Acid rain has a...Ch. 15 - Prob. 64QAPCh. 15 - Prob. 65QAPCh. 15 - The box below represents one liter of a saturated...Ch. 15 - Consider a saturated solution of BaCO3 at 7.5C....Ch. 15 - Prob. 68QAPCh. 15 - Consider the insoluble salts JQ, K2R, L2S3, MT2,...Ch. 15 - Prob. 70QAPCh. 15 - Consider the equilibrium curve for AgCl shown...Ch. 15 - Dissolving CaCO3 is an endothermic reaction. The...Ch. 15 - Challenge Problems Insoluble hydroxides such as...Ch. 15 - What is the solubility of CaF2 in a buffer...Ch. 15 - What is [Br-] just as AgCl begins to precipitate...Ch. 15 - Prob. 76QAPCh. 15 - Prob. 77QAPCh. 15 - Prob. 78QAP
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.Similar questions
- Write an equation for an equilibrium system that would lead to the following expressions (ac) for K. (a) K=(Pco)2 (PH2)5(PC2H6)(PH2O)2 (b) K=(PNH3)4 (PO2)5(PNO)4 (PH2O)6 (c) K=[ ClO3 ]2 [ Mn2+ ]2(Pcl2)[ MNO4 ]2 [ H+ ]4 ; liquid water is a productarrow_forwardAt a temperature of 60 C, the vapor pressure of water is 0.196 atm. What is the value of the equilibrium constant KP for the transformation at 60 C? H2O(l)H2O(g)arrow_forwardConsider the system 4NH3(g)+3O2(g)2N2(g)+6H2O(l)H=1530.4kJ (a) How will the concentration of ammonia at equilibrium be affected by (1) removing O2(g)? (2) adding N2(g)? (3) adding water? (4) expanding the container? (5) increasing the temperature? (b) Which of the above factors will increase the value of K? Which will decrease it?arrow_forward
- Lactic acid, HC3H503, is responsible for the sour taste of old milk. At 25 °C, its Ka = 1.4 x 104. %3D (a) What is the Kb of its conjugate base, the lactate ion, C3H503? Kp = x 10 (b) Is its conjugate base a strong or weaker base than the acetate ion? weakerarrow_forwardWrite the equilibrium constant expression, K, for the following reaction. Please enter the compounds in the order given in the reaction. If either the numerator or denominator is blank, please enter 1 HNO2 (aq) + H,0)=H;0*(aq) + NO2¯ (aq) K =arrow_forwardMethanoic acid is also called formic acid. It has the chemical formula HCOOH(l). It is a colourless fuming liquid that is mainly used as a preservative. It exhibits the following equilibrium in water:HCOOH(aq) + H2O(l) → HCOO–(aq) + H3O+(aq) 4) The concentration of the hydroxide ion, OH-(aq), in an aqueous solution is 2.5 x 10–3 mol/L. What is the pH of the solution? PLEASE HELP THIS IS VERY URGENTarrow_forward
- For the reaction 4 PH; (g) = 6 H,(g) + P¿(g) the equilibrium concentrations were found to be [PH,] = 0.250 M, [H,] = 0.370 M, and [P] = 0.750 M. What is the equilibrium constant for this reaction? K.arrow_forwardAt 25 oC, Ammonia is a weak base that reacts with water according to this equation: NH3(aq) + H2O(aq) ⇌ NH4+(aq) + OH−(aq) Briefly explain how the equilibrium will shift (to get back to equilibrium) if the following perturbations are made to the system: (a) Addition of HCl (b) Addition of NaOH (c) Addition of NH4Clarrow_forwardQuestion 7 of 25 Write the equilibrium constant expressions for the following. Fill the missing powers in the expressions. (a) 2NAHCO3(s) Na2CO3(s) + CO2(g) + H2O(g) Keq = (Pco, ) i (PH;0) i (b) 2N2(g) + 6H20(1) 24NH3(g) + 302(g) Keq = (PNH, ) (Ро.) (PN, ) (c) 2C2H4(g) + O2g) 2CH3CHO(g) Keq = (PCH,CHO ) i (Pc,H, ) (Po.) (d) Ag2SO4(s) 2 2Ag*(aq) + SO42-(aq) Keq = [Ag*] i [So;-] i (e) NH4HS(s) 2H2S(g) + NH3(g) Keq = (PH,s) i (PNH, ) iarrow_forward
- For the reaction below at a certain time, temperature and pressure, the [CO2] is 2.24 M, [H+] is 0.058 M and [HCO3-] is 0.097 M. If the equilibrium constant Kc is 81 X 10-6, which direction will the reaction proceed under these conditions.arrow_forwardConsider the synthesis of ammonia: N2 (g) +3H2(g) 2NH3 (g)arrow_forward14 Consider the reaction: 4 NO (g) + 6 H;O (g) + heat 4 NH; (g) + 502(g) Predict the direction (forward reaction, reverse reaction) in which the equilibrium shifts with the following changes. a the reaction mixture is cooled. b NH: (g) is added c HO (g) is removed.arrow_forward
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