Which of the following reactions are acid-base reactions? Cu2+ + Zn ⟶ Cu + Zn2+ NaCl ⟶ Na+ + Cl- HCl + NH3 ⟶ Cl- + NH4+ CH3COOH + OH- ⟶ CH3COO- + H2O

Identify the Lewis acid and Lewis base in each of the reactions. Identify the Lewis acid and Lewis base in each of the reactions.   Cl−+AlCl3⟶AlCl−4Cl−+AlCl3⟶AlCl4−     BF3+F−⟶BF−4BF3+F−⟶BF4−     NH3+H+⟶NH+4NH3+H+⟶NH4+

K, for formic acid, HCOOH, is 1.80x10-4. Ka for acetylsalicylic acid (aspirin), HC,H,04, is 3.00x10-4. Ка Ką for nitrous acid, HNO2, is 4.50x10-4. What is the formula for the weakest conjugate base?

Identify the Lewis acid and Lewis base from among the reactants in the equation. Fe3+ (aq) + 6H2O (l) = Fe(H2O)63+ (aq)

A diprotic acid (H2AH2A) has ?a1=4.73×10−7Ka1=4.73×10−7 and ?a2=6.09×10−11.Ka2=6.09×10−11. What is the pH of a 0.440 M0.440 M H2AH2A solution?

In the following reaction in an aqueous solution, identify (a) which of the reactants is acid and which is the base, (b) the conjugate base of the acid, and (c) the conjugate acid of the base. NH2OH + HCl --> NH3OH+ + Cl-

The chemical formulae of some acids are listed in the first column of the table below, and in the second column it says whether each acid is strong or weak. Complete the table. List the chemical formula of each species present at concentrations greater than about 10-6 mol/L when about a tenth of a mole of the acid is dissolved in a liter of water. acid HF HCIO₂2 H Br HBrO4 strong or weak? weak weak strong strong species present at 10-6 mol/L or greater when dissolved in water 0 0 0 × 0,0,... S

Four solutions of an acid dissolved in water are sketched below, as if under a microscope so powerful individual atoms could be seen. The same volume of solution is shown in each sketch. Rank the solutions by the strength of the dissolved acid. That is, select 1 under the solution of the strongest acid, 2 under the solution of the next strongest acid, and so on. Note: %3DН,о Solution 1 Solution 2 Choose one) (Choose one) Solution 3 Solution 4 (Choose one) (Choose one)

The ionization of benzoic acid is represented by this equation. C6H5COOH(aq) ↔ H+(aq) + C6H5COO–(aq) If a 0.055 M solution of benzoic acid, at a certain temperature, has an [H+] =2.7 × l0−3, what is the Ka of benzoic acid?

Classify K2O     strong acid     weak acid     strong base     weak base