![2. For the acid dissociation reaction below, the equilibrium concentrations are given as [H] = 0.0060 M, [C2H302] =0.0060 M](http://img.homeworklib.com/questions/0774fcd0-70b0-11ea-8c5d-c17704e6208a.png?x-oss-process=image/resize,w_560)
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2. For the acid dissociation reaction below, the equilibrium concentrations are given as [H'] = 0.0060...
I need help with how to get concentrations of H+ and C2H3O2, K, and percent dissociation...
I need help with how to get concentrations of H+ and C2H3O2,
K, and percent dissociation of each solution tested. Also the K
expression. Please explain!
ble 18.2 (continued) 3.2D Solutions Tested 0. 10 M HC HO, (HI(M) [C,H,O, (M) K I Percent Dissociation 0.010 M HC,H,O, 0.0010 M HC,H,O, pH 2.92 B39 579 Question Write the net lonic equation describing the dissociation of acetic acid in aqueous solution HC₂ H₂O₂ (aq) & At(aq) + CH32 Cag) Question Calculate (H)...
cace). The Ka for acetic acid. HCHO(ag) is 1.8 X 10 at 25°C Write the chemical...
cace). The Ka for acetic acid. HCHO(ag) is 1.8 X 10 at 25°C Write the chemical reaction that chemical reaction that describes the dissociation of acetic acid. C2 1 2 0 2 (aq) + H3 1 C2 H 3 O 2 caq) + H 2 O (1) Given the following standard enthalpies of formation Substance AH® (kJ/mol) (T= 25°C) HC2H3O2(aq) -485.76 C2H302 (aq) -486.01 H(aq) Calculate the K, at 35 °C. Qualitatively, how would expect the pH of a solution...
1 a) Write the aqueous acid dissociation reactions for an acid and base dissociation reaction for a base according to th...
1 a) Write the aqueous acid dissociation reactions for an acid and base dissociation reaction for a base according to the Bronsted-Lowry definition b) Determine conjugate bases of acids and acids of bases c) Write the equilibrium expression for an acid or a base aqueous dissociation d) Evaluate strength of an acid or base based on its Ka or Kb or pKa or pKb. e) Apply Kw at 25oC and at different temperatures. f) Solve for the pH of strong...
question 6 a-f 6. The dissociation reaction for hydrofluoric acid is shown below. HF (aq) =...
question 6 a-f
6. The dissociation reaction for hydrofluoric acid is shown below. HF (aq) = H (aq) + F (aq) a. Write an equilibrium expression for the dissociation reaction shown above. b. An HF solution at equilibrium is found to contain 0.0445 M HF, 0.00549 MH', and 0.00549 MF. Based on this information, what is the value of Key for the dissociation of HF? Show calculations to support your answer. A small amount of CaCl2 is added to the...
13&14 please! Question 13 Write the equilibrium expression for the following reaction. HCIO4 (aq) -> H+...
13&14 please!
Question 13 Write the equilibrium expression for the following reaction. HCIO4 (aq) -> H+ (aq) + CIO4- (aq) (1 point) * O Ka = ([H +][C104-1)/(HC104) O Ka = [H +)/(HC104] O ka = [H+][C104-1 O None of the above Question 14 Calculate the OH- concentration at equilibrium in the following reaction: NH3 (aq) + H2O (1) -> NH4+ (aq) + OH- (aq) (Kb = 1.8 x10^(-5) (1 point)* O 1x10^(-14) M O2.7 x10^(-3) M O 7.2 x10^(-6)...
a) Write the dissociation reaction and corresponding K, expression for CH3NHs in water 8. b) Write...
a) Write the dissociation reaction and corresponding K, expression for CH3NHs in water 8. b) Write the reaction with water and corresponding Ko expression for aniline (CGHsNH2) 9 A typical sample of vinegar has pH of 3.0. Assuming the vinegar in only an aqueous solution of acetic acid (Ka 1.8 x 105), calculate the concentration of acetic acid in vinegar? 10. Calculate the pH of a solution that contains 1.0 M HF (K-7.2x10) and 1.0 M CHsOH (K-1.6x1010). Calculate the...
10. Calculate for the following reaction given the following equilibrium concentrations of H, CO, and H20....
10. Calculate for the following reaction given the following equilibrium concentrations of H, CO, and H20. PCis(g) – K = "? PCI;(g) + .040 Chi(g) .080 Equilibrium Concentrations (M): 200 080 K Calculations: Solving for an Equilibrium Concentration when K and all other Equilibrium Concentrations are Given 11. What is the equilibrium concentration of Br; if (HBr) - 0.35 M and [H:) - 0.22 M at equilibrium? H:(g) + Brz(g) 2HBr(g) K = 62.5
Question 10 Which of the following IS a strong acid (1 point ) * H2SO4 HCN...
Question 10 Which of the following IS a strong acid (1 point ) * H2SO4 HCN HF NH3 Question 11 Write the equilibrium expression for a simple acid ionization. (HA (aq) -> H+ + A-) (1 point ) * Ka = ([H+][A-])/[HA] Ka = [H+]/[HA] Ka = [H+][A-] None of the above Question 12 Write the equilibrium expression for the following reaction. HF (aq) -> H+ (aq) + F- (aq) (1 point ) * Ka = ([H+][F-])/[HA] Ka = [H+]/[HA]...
Critical Skills #9 (Acid-Base Equilibria) Due: 6 pm Monday March 30 upload to Gradescope Class time:...
Critical Skills #9 (Acid-Base Equilibria) Due: 6 pm Monday March 30 upload to Gradescope Class time: 9:30 pH = 11:00 (from back of page) 2:00 1. Consider the conjugate acid-base pair NH' and NH, a. Write the acid dissociation (lonization) reaction for NHA' in water. Hint: NHU (aq) + HOS Label each conjugate acid-base pair. ? 6. Write the expression for equilibrium constant for this reaction ( ?) c. Write the base dissociation (lonization) reaction for NH, in water. Hint:...
9. Using the reaction below and mixture 1 volumes, a student mixes Foon with KSON n c equilibrium concentrations at 5.71 x 10 M and 3.71 x10+ M, respectively net absorbance of mixture l at 0.090....
9. Using the reaction below and mixture 1 volumes, a student mixes Foon with KSON n c equilibrium concentrations at 5.71 x 10 M and 3.71 x10+ M, respectively net absorbance of mixture l at 0.090. The calibration curve for the equilibrium reactions,-2635 x+0.014. Using the colormetet, she oin the Fe (aq SCN (aq)FescN (ad) a. Using the calibration curve, where y is equal to the absorbance Lapplying the Beer's Law: Absorbance slope (concentration), calaulate the eauilinium con b. Write...
I need help with how to get concentrations of H+ and C2H3O2,
K, and percent dissociation of each solution tested. Also the K
expression. Please explain!
ble 18.2 (continued) 3.2D Solutions Tested 0. 10 M HC HO, (HI(M) [C,H,O, (M) K I Percent Dissociation 0.010 M HC,H,O, 0.0010 M HC,H,O, pH 2.92 B39 579 Question Write the net lonic equation describing the dissociation of acetic acid in aqueous solution HC₂ H₂O₂ (aq) & At(aq) + CH32 Cag) Question Calculate (H)...
cace). The Ka for acetic acid. HCHO(ag) is 1.8 X 10 at 25°C Write the chemical reaction that chemical reaction that describes the dissociation of acetic acid. C2 1 2 0 2 (aq) + H3 1 C2 H 3 O 2 caq) + H 2 O (1) Given the following standard enthalpies of formation Substance AH® (kJ/mol) (T= 25°C) HC2H3O2(aq) -485.76 C2H302 (aq) -486.01 H(aq) Calculate the K, at 35 °C. Qualitatively, how would expect the pH of a solution...
question 6 a-f
6. The dissociation reaction for hydrofluoric acid is shown below. HF (aq) = H (aq) + F (aq) a. Write an equilibrium expression for the dissociation reaction shown above. b. An HF solution at equilibrium is found to contain 0.0445 M HF, 0.00549 MH', and 0.00549 MF. Based on this information, what is the value of Key for the dissociation of HF? Show calculations to support your answer. A small amount of CaCl2 is added to the...
13&14 please!
Question 13 Write the equilibrium expression for the following reaction. HCIO4 (aq) -> H+ (aq) + CIO4- (aq) (1 point) * O Ka = ([H +][C104-1)/(HC104) O Ka = [H +)/(HC104] O ka = [H+][C104-1 O None of the above Question 14 Calculate the OH- concentration at equilibrium in the following reaction: NH3 (aq) + H2O (1) -> NH4+ (aq) + OH- (aq) (Kb = 1.8 x10^(-5) (1 point)* O 1x10^(-14) M O2.7 x10^(-3) M O 7.2 x10^(-6)...
a) Write the dissociation reaction and corresponding K, expression for CH3NHs in water 8. b) Write the reaction with water and corresponding Ko expression for aniline (CGHsNH2) 9 A typical sample of vinegar has pH of 3.0. Assuming the vinegar in only an aqueous solution of acetic acid (Ka 1.8 x 105), calculate the concentration of acetic acid in vinegar? 10. Calculate the pH of a solution that contains 1.0 M HF (K-7.2x10) and 1.0 M CHsOH (K-1.6x1010). Calculate the...
10. Calculate for the following reaction given the following equilibrium concentrations of H, CO, and H20. PCis(g) – K = "? PCI;(g) + .040 Chi(g) .080 Equilibrium Concentrations (M): 200 080 K Calculations: Solving for an Equilibrium Concentration when K and all other Equilibrium Concentrations are Given 11. What is the equilibrium concentration of Br; if (HBr) - 0.35 M and [H:) - 0.22 M at equilibrium? H:(g) + Brz(g) 2HBr(g) K = 62.5
Critical Skills #9 (Acid-Base Equilibria) Due: 6 pm Monday March 30 upload to Gradescope Class time: 9:30 pH = 11:00 (from back of page) 2:00 1. Consider the conjugate acid-base pair NH' and NH, a. Write the acid dissociation (lonization) reaction for NHA' in water. Hint: NHU (aq) + HOS Label each conjugate acid-base pair. ? 6. Write the expression for equilibrium constant for this reaction ( ?) c. Write the base dissociation (lonization) reaction for NH, in water. Hint:...
9. Using the reaction below and mixture 1 volumes, a student mixes Foon with KSON n c equilibrium concentrations at 5.71 x 10 M and 3.71 x10+ M, respectively net absorbance of mixture l at 0.090. The calibration curve for the equilibrium reactions,-2635 x+0.014. Using the colormetet, she oin the Fe (aq SCN (aq)FescN (ad) a. Using the calibration curve, where y is equal to the absorbance Lapplying the Beer's Law: Absorbance slope (concentration), calaulate the eauilinium con b. Write...
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