15.2: IDENTIFYING LEWIS ACIDS AND BASES Identify the Lewis acids and Lewis bases in the following reactions: H* + OH H2O Cl + BCI, BCI, B A K* + 6H,0 2 K(H,O),* B Cd(CN)2+2CN- Cd(CN),2 A А PARTICIPATION Ni2*+6NH, 2 Ni(NH,),* Al(OH),+OH - Al(OH)+- Fe2++NO Fe(NO)2* SnS,+S2- 2 SnS,?- AgCI+2NH3 J Ag(NH3) 2*+CH

MED PH +POH 1 = -log₁ PH+ Por pk 55. Of the following salts, which one forms a solution with the highest pH? A) KCI B) NH4Cl C) NaBr D) KCN ад, Гонт = 1/ A) HA (aq) + H₂O (1) B) A (aq) + H3O+ (aq) C) HA (aq) + OH- (aq) D) A (aq) + OH- (aq) (E)) A (aq) + H₂O (1) 56. HA is a weak acid. Which equilibrium corresponds to the equilibrium constant K for A? E) Ca(NO3)2 H₂A+ (aq) + OH(aq) HA (aq) + H₂O (1) H₂O (1) + H+ (aq) HOA²- (aq) HA (aq) + OH (aq) A) 3870 B) 9.88 C) 12.28 D) 6.16 E) 7.21 57. Why does the rate of a gas-phase reaction increase when the temperature of the system is increased? A) Increasing the temperature makes the molecules move faster, which results in more molecular collisions. B) Increasing the temperature gives the molecules more energy, so more reactant molecules have enough energy to react together. C) Increasing the temperature makes the volume increase, which provides more space for the product molecules to occupy. (D) Statements A and B are correct. 58. What is the…

21) What will be the pH (aq., 25 °C) of 100.0 mL of a solution of 1.00 M C̟H̟NH,Br and 1.50 M C,H¸NH, after 2.00 mL of 10.00 M HC1 has been added to it? К. СН.NH,3D 5.60 х 10* b) 10.8 e) 9.24 c) 8.84 f) 10.6 а) 3.65 d) 9.82

Grades - BIOL111ASP2020 X 8 Canvas Login at Mary Baldwin U x 6 Chemistry 121 101 Chem101 Question 11 of 29 Write the acidic equilibrium equation for C:H-COOH. 3- 12- 24 | 12+ 3+ 4+ 1 4 6. 8. 9. 13 14 15 61 01 +. (s) (1) (g) (aq) H. H2O H.O+ OH Reset • x H2O Delete 1L

11. 0.0100 M solution of HCN has pH=5.7. What is K₂ value and pką?

Indicate whether following reactions is a strong, weak, or nonelectrolyte represented in the following equations: 1) C6H12O6(s) (in H2O) --> C6H12O6(aq) 2) MgCl2(s) (in H2O) --> Mg2+(aq) + 2Cl-(aq)

Chemistry

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