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any help is appreciated Question 16 (5 points) If the Keq of the following reaction is...
can anyone help? Question 6 (5 points) Which of the following will increase when HF is added to pure water at 25 °C? Okw Орн O(OH) Осно*) Ka Question 7 (5 points) aculate the Kb of the conjugate base of an acid with a ka value of 2.9 X 100 25 °C Question 7 (5 points) Calculate the Kb of the conjugate base of an acid with a Ka value of 2.9 x 10-10 at 25 °C. O 3.4 x...
SOS Question 11 (5 points) What is the equilibrium expression for the following reaction? 2Ag (s) + Cl2 (g) = 2AgCl (s) OK = 1/[C12] OK = [Agci12 / [Ag] OK = [Ag]?[c12] OK = [Agci12 / ([Ag]?[Cl2)) OK = (AgCl2 Question 12 (5 points) What is true of the percent inition OK = [AgCl2 Question 12 (5 points) What is true of the percent ionization of a weak acid as the concentration of the weak acid increases? the percent...
please help if possible Question 21 (5 points) Which of the following is true for the conjugate base of a strong acid? The conjugate base of a strong acid acts as a weak acid. As the strength of the acid increases, the strength of the conjugate base decreases. The conjugate base of a strong acid is a strong base. As the strength of the acid increases, the strength of the conjugate base also increases. Question 22 (5 points) The Ksp...
I answered the first 2, I just need the explanation for 16, thank you. Use this information for the next 3 questions: HCN (K, = 6.2 x 10:10) HCHO2 (K, = 1.7 x 10^^) HOCI (K. = 3.5 x 10%) HC,H,O2 (K, = 1.8 x 105) 14. A 0.10 M solution of which of the above acids will have the lowest pH? a. HCN) b. HCHO, C. HOCI d. HC,H,02 e. All will have the same pH 15. From the...
29 5 points The change in Gibbs free energy, AGº for the following reaction at 298 K is 70.6 kJ/mol. 2NO,(9) — 2NO(g) + O2(g) What is Keq for this reaction? O 0.936 O 4.30 0 0.971 02.00 01.03 Previous
5) The Keq for the equilibrium below is 0.112 at 700.0°C 902 (8) 2020) 2503 (8) What is the value of Keq at this temperature for the following reaction? 1502(e) +40268) 2.03 (8) A) 5.60 x 10-2 B) 3.35 x 10-1 C) 1.79 101 D) 0.112 E) 2.99 6) The addition of HCl and to water produces a buffer solution. A) KOH B) HNO3 C) NH3 D) HC6H5OE) KNO3 7) The rate law for a reaction is ratek[A][B] Which one...
Question 19 13 points Predict the product of the following reaction sequence, NaCN HCN H2N i HO CN HO ) HO CN H2N H2N Law 2 = 58 < Ол - W E R T Y UIO P S D F G H J
please help with question four and five 3. For the reaction PbCl2 (6) Pb2+ + 2CV, what is the value of the equilibrium constant if [Pb 2+] = 0.0022 M and (CI) is 0.027 M? [P621] = 0.002am kc [Pb2+] [...] [cr] =0.027m [PbCl2 (s) [pbela (s)]= Ke=0.0022x10.02222 4. The equilibrium constant for the reaction of nitrogen and hydrogen to produce ammonia is = 1.6.x10-6 0.094 M? at 450°C. If [N2) =0,012 M and [H2] = 0.42 M at equilibrium,...
can you please show steps for the first question and explain the answers for the other two questions? 1A. A solution of a 6.0 M solution of a weak acid is 0.16% ionized. What is the K, of the acid? (4 points) 13. Which of the following is a Lewis acid-base reaction? a. CH3Br + CH3Cl → CH3Cl + HBO b. •CH3 + .CI → CH3CI C. NaCl + AgNO3 → AgCl + NaNO3 d. Cl2 + PCl3 → PCI...
5) The Keq for the equilibrium below is 0.112 at 700.0°C S02 (8) 20269) 503 (Ⓡ) What is the value of Keq at this temperature for the following reaction? 1502(e) +40268) 2 03 () A) 5.60 10-2 B) 3.35 x 10-1 C) 1.79 101 D) 0.112 E) 2.99 6) The addition of HCl and to water produces a buffer solution. A) KOH B) HNO3 C) NH3 D) HC6H5OE) KNO3 7) The rate law for a reaction is rate = k[A][B]...