Given the equilibrium constants for the equilibria,
2 NH4+(aq) + 2 H2O(ª) 2 NH3(aq)
+ 2 H3O+(aq); Kc =
CH3COOH(aq) + H2O(ª)
CH3COO−(aq) + H3O+(aq);
Kc =
determine Kc for the following equilibrium.
CH3COOH(aq) + NH3(aq)
CH3COO−(aq) +
NH4+(aq)
| a. |
3.08 × 104 |
|
| b. |
9.96 × 10-15 |
|
| c. |
3.25 × 10-5 |
|
| d. |
1.75 × 10-5 |
|
| e. |
1.00 × 1014 |
![NH CH2COO NH3CHCOOH conjugate base base acid conjugate acid [NH;CH,COo] NH,CH,COOH NH: NH3 H20* Equilibrium constant, Kvenll](http://img.homeworklib.com/questions/a15ddac0-7496-11ea-b469-53bdb7396996.png?x-oss-process=image/resize,w_560)
Given the equilibrium constants for the equilibria, 2 NH4+(aq) + 2 H2O(ª) 2 NH3(aq) + 2...
NH4+(aq) + H2O (l) BLUE <--GREEN--> NH3(aq) + H3O+(aq) YELLOW NH4+ + H2O= Blue. NH3 + H3O = Yellow. Mix is green at equilibrium. Q: When adding sodium hydroxide solution, the color of the equilibrium mixture changed from green ---> yellow. a. In which direction did the equilibrium shift? (L) left or (R) right b. Explain answer to a. Which ion was added or removed from the equilibrium mixture?
For which of the following reactions will the reactants be favored at equilibrium? NH3(aq) + H30+ (aq) = NH4+ (aq) + H20(1) CO32- (aq) + H30+ (aq) = HCO3(aq) + H2O(1) CH3COOH(aq) + OH(aq) = CH3COO" (aq) + H2O(1) HSO3- (aq) + H3O+ (aq) =H2SO3(aq) + H2O(1) CIOA" (aq) + H3PO4(aq) = HCIO4(aq) + H2PO4" (aq)
Determine the equilibrium constant for the reaction NH4 + (aq) + OH– (aq) ⇌ H2O(ℓ) + NH3 (aq) given that the Ka of NH4+ is 5.68×10–10 .
1. Calculate the approximate [OH-] and [NH4+] in a 0.40 M ammonia solution, NH3(aq). NH3(aq) + H2O(l) ↔ OH-(aq) + NH4+(aq). Kb = 1.75 x 10-5M. 2. Calculate the pH of 0.178 M ammonia. NH3(aq) + H2O(l) ↔ OH-(aq) + NH4+(aq) Kb = 1.75 x 10-5
For aq. solutions of salt NH4NO2, following reactions possible: NH4+ + NO2- -> NH3 + HNO2 k1? NH4+ + H2O -> H3O+ + NH3. ka = 5.6 x 10^-10 NO2- + H2O -> HNO2 + OH- kb =2.2 x 10^-11 2H2O -> H3O+ + OH- kw = 1.0 x10^-14 Write symbolic expression for equilibrium constants for each reaction. Derive expression for k1 in terms of ka, kb, and kw; find numerical value of k1.
For the reaction NH3(aq) + H+ (aq) ⇋ NH4 + (aq), at 20°C the equilibrium concentrations were as follows: [NH3] = 2 x 10-4 M; [H+ ] = 2 x 10-4 M; and [NH4 + ] = 18 M. Calculate the equilibrium constant for the reaction.
For the ionization of ammonia shown below, the mixture initially contains 0.500 M NH3 (aq). Determine the equilibrium millimolar (mM) concentration of HO− if Kc = 1.74 × 10−5. NH3 (aq) + H2O (liq) ⇌ NH4+ (aq) + OH− (aq)
Consider these two equilibria with their respective equilibrium constants: (1) (2) PbCl2 ()Pb2+ (aq)2CI- (aq) Pbf2 (s) РЬ2+ (aq) + 2 F-(aq) K 1.7x 10-5 K-37x10-8 Which equilibrium will produce more Pb2+ions in solution? B) (2) D) cannot determine with provided information C) both (1) and (2) will produce the same amount
1. Given the two equilibria below, Ag(NH3)2(aq) = Agt(aq) + 2NH3(aq); Kd = 5.9 x 10-8 AgBr(s) Ag+(aq) + Br" (aq); Ksp = 5 x 10-13 what is K, for the following equilibrium? AgBr(s) + 2NH3(aq) = Ag(NH3)2(aq) + Br" (aq) a. 3 x 10-20 b.2.7 x 100 c. 7.2 x 10-11 d. 8.5 x 10-6 e. 1.2 x 105
Calculate the concentration of OH- at equilibrium in the following reaction: NH3 (aq) + H2O (l) -> NH4+ (aq) + OH- (aq) (Kb = 1.8 x10^(-5)