Calculate the concentration of OH- at equilibrium in the following reaction: NH3 (aq) + H2O (l) -> NH4+ (aq) + OH- (aq) (Kb = 1.8 x10^(-5)
![Kb = ol is 4.25*10-3 given & [OH-] = ? K6 = 1.8x10-5 NH3(aq) + H₂O 4 → Nhu (as) tok (ar) Now, [ N Mut] [ok] [NH3 (NH3 18x106](http://img.homeworklib.com/questions/eecbcb70-0ad2-11eb-a4a2-ab2ec222849f.png?x-oss-process=image/resize,w_560)
Calculate the concentration of OH- at equilibrium in the following reaction: NH3 (aq) + H2O (l)...
1) Calculate the OH- concentration at equilibrium in the following reaction: NH3 (aq) + H2O (l) -> NH4+ (aq) + OH- (aq) (Kb = 1.8 x10^(-5). (a) 1 x10^(-14) M (b) 2.7 x10^(-3) M (c) 7.2 x10^(-6) M (d) None of the above 2) Which of the following pH values indicates the most basic solution? (a) pH=12 (b) pH=4 (c) pH=8 (d) pH=9 3) Which of the following pH values indicate the most acidic solution? ( (a) pH=11 (b) pH=2...
Calculate the OH- concentration at equilibrium in the following reaction: NH3 (aq) + H20 (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) M O None of the above Question 15 Which of the following pH values indicates the most basic solution? (1 point)* O pH=12 O pH=4 O pH=8 O pH=9
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
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)...
The equlibrium constant for the equation NH3(aq) + H2O(l) ↔ NH4+(aq) + OH⁻(aq) is Kb= 1.8×10-5 at 25 ºC. Calculate ΔGºrxn at 25 ºC. a) -2.27 kj/mol b) 0 kj/mol c) 2.27 kj/mol d) 267 J/mol 27.1 kj/mol
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 .
Ammonia react with water as shown in the following equation: NH3(aq) + H2O(l) NH4+(aq) + OH-(aq) Kb = 1.77 x 10-5 and Ka = 5.65 x 10-10 a) Calculate the pH of the 0.030 M NH3 solution (Use a labeled ICE table) b) Calculate the pH of the solution at the equivalent point (when equal amount of acid is added. Assume the volume doubles). (Use a labeled ICE table) c) Over which pH range (actual numbers) do you expect...
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.
List the ∆Hºf for the species of the following ionic net equations: NH4+(aq)+ OH-(aq)→H2O(l)+NH3(g) and H+(aq)+OH-(aq)→H2O(l) (sodium hydroxide+ammonium chloride) (sodium hydroxide+hydrochloric acid).
Reaction . NH3(aq) + H2O (l) D NH4+1(aq) + OH-1(aq) 16. Another student says “Adding MgCl2 cannot affect this reaction, because it doesn’t contain any MgCl2 as a reactant or product.” Choose the best answer below (Circle, bold, highlight, italicize one). The other student is correct. Only chemicals that are contained in the given chemical reaction affect reaction equilibrium. According to Le Chatelier’s principle, the addition of MgCl2 will not cause the reaction to shift left or right. The other...