2H2O -> H3O+ + OH- K = [H3O+][OH-]/[H2O]2 as H2O is in excess all solvent Kw = [H+][OH-]
Kw = [H+][OH-]
What is the expression for K_w, the ion-product constant for water? K_w = [H_2 O]^2 K_w...
Phosphorous acid dissociates to form dihydrogen phosphate and hydronium ion. Phosphorous acid has K_a of 5.0 times 10^2 Write the equation dissociation for phosphorous acid. Express your answer as a chemical equation. Identify all of the phases in your answer. What is the expression constant dissociation for phosphorous acid? K_a = [H_2 PO_3]/[H_3 PO_3] K_a = [H_3 PO_3]/[H_3 O^+] [H_2 PO_3] K_a = [H_3 O^+] [H_2 PO_3]/[H_3 PO_3] K_a = [H_3 O^+] [H_2 PO_3]/[H_2 PO_3]^2
What is the equilibrium constant for the following reaction? CH_3 NH^+_3 + H_2 O equivalentto CH_3 NH_2 (aq) + H_3 O^+ (aq) 2.4 times 10^-11 4.2 times 10^-10 4.2 times 10^-4 4.2 times 10^4 2.4 times 10^3
The reaction 2 H_2 O_2(aq) right arrow 2 H_2 O(I) + O_2 (g) is first order in H_2 O_2 and has a rate constant of 0.00790 s^-1 at 20 degree C. A reaction vassel initially contains 159 mL of 26% H_2 O_2 by mass solution (the density of the solution is 1.17 g/mL). The gaseous oxygen is collected over water at 20 degree C as it forms. What volume of O_2 forms in 86 seconds at a barometric pressure of...
A solution has [H3O+] = 2.8×10−5 M . Use the ion product constant of water Kw=[H3O+][OH−] to find the [OH−] of the solution. Express your answer to two significant figures. A solution has [OH−] = 2.5×10−2 M . Use the ion product constant of water Kw=[H3O+][OH−] to find the [H3O+] of the solution.
Part B A solution has [H3O+] = 4.0×10−5M . Use the ion product constant of water Kw=[H3O+][OH−] to find the [OH−] of the solution. Express your answer to two significant figures M PART C A solution has [OH−] = 1.3×10−2M . Use the ion product constant of water Kw=[H3O+][OH−] to find the [H3O+] of the solution. Express your answer to two significant figures.
Reagents HNO_3, H_2 SO_4 SnCl_2, H_3 O^+ then NaOH(aq) HNO_2, HCI HBF_4 KMnO_4 CH_3 OH CuCN Nal LiAlH_4 then H_2 O CH_3 COCl Choose reagents from the table to synthesize this compound from toluene. Enter the letters in the order that you wish to use the reagents, without spaces or punctuation, i.e. 'adeg'.
not sure how to solve
A solution has [H3O+]=52x10-5 M. Use the ion product constant of water K. = H30+[OH-] to find the (OH) of the solution Express your answer to two significant figures. View Available Hint(s) 170 A2¢ no [OH) = A solution has [OH = 2.5x10-2 M. Use the ion product constant of water Kw = [H3O+][OH-] to find the H3O+] of the solution. Express your answer to two significant figures. View Available Hint(s) OVO ACO R O...
At a given temperature, the equilibrium constant K_c for the reaction 2 NO(g) + 2 H_2(g) implies N_2(g) + 2 H_2O(g) What is the equilibrium constant for the following reaction? NO(g) + H_2(g) implies 1/2 N_2(g) + H_2 O(g) Correct. Think About It When we multiply a chemical reaction by a number, the new value of the equilibrium constant is the first equilibrium constant raised to the number.
At 400 K, an equilibrium mixture of H_2, I_2, and HI consists of 0.068 mol H_2, 0.075 mol I_2, and 0.13 mol HI in a1.00-L flask. What is the value of K_p, for the flowing equilibrium? (R = 0.0821 L middot atm (K - mol)) 2HI_(g) Rightwardsharpoonoverleftwardsharpoon H_2 (g) + I_2 (g) A) 0.039 B) 3.4 C) 26 D) 0.29 E) 8.2 If K = 0.150 for A_2 + 2B Rightwardsharpoonoverleftwardsharpoon 2AB, what is the value of K for the...
Write the solubility product constant expression for the solubility of Chromium (III) Hydroxide, Cr(OH)3. What would the solubility in g/100 mL of this salt be in water given the solubility product is 6.1 x 10 ^-31