Malic acid, (HO₂C)CH,CH(OH)(CO-H) has two acidic protons. What is the pk, for the following equilibrium? (O₂C)CH2CH(OH)(CO₂H) 4 (HO₂C)CH2CH(OH)(CO₂H) + H₂O H30*+
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- The following reactions all have K > 1.1) HF (aq) + C6H5O- (aq) F- (aq) + C6H5OH (aq)2) CH3COOH (aq) + C6H5O- (aq) C6H5OH (aq) + CH3COO- (aq)3) HF (aq) + CH3COO- (aq) F- (aq) + CH3COOH (aq)Arrange the substances based on their relative acid strength. Strongest acid, intermediate acid, weak acid, not a Bronsted-Lowry acid. CH3COOH HF C6H5OH CH3COO- F- C6H5O-PQ-23. At 298 K, the equilibrium constant for this reaction H2(g) + O2(g)= H₂O(l) AG° (kJ mol¹) -237 -229 H₂O(1) H₂O(g) (A) has a value of 1.0 at equilibrium. (B) is larger than the Keq for H2(g) + O2(g)=H₂O(g). (C) cannot be computed since data on O2 and H2 are not provided. (D) will have the same value as the Keq for H2(g) + O2(g)= H₂O(g)Predict the products of each reaction, and whether the solution at equilibrium will be acidic, basic, or neutral. At equilibrium the solution is...? reaction acidic co,(g) + H,0(1) →O O basic O neutral O acidic P,O10 (s) + 6H,0() 0 basic O neutral O acidic Li,0(s) + H,0(1) -0 O basic O neutral
- Does the equilibrium lie to the left or to the right in the following reaction: H3CO: + H-Br: 2 H;CO-H + H,CO-H + Br:aund= ney, churge Na O NH2 attack Tonic c) CH3CH2CH2CH,Li + NH3 (acid CH 3 CH2 CH2-CHz t WH2 (Conj acud) (base) (ca bu 2. The equilibrium idea means that if the reaction is reversible there will be four species in solution at one time, the acid, the base, the conjugate acid, and the conjugate base. Sometimes this is what is required, but at other times we need to choose bases that will completely deprotonate every molecule of acid, i.e. send the reaction completely to the right. These bases will include CH3CH,CH2CH;Li, NaNH2, and LiN(i-Pr)2. Weaker bases will include NaOH, NAOCH3, KOtBu, and NaOCH2CH3. For each of these bases, give the products formed when they react with H2O, then use pKa values to get an idea of the relative base strengths of these compounds. You will provided 7 separate reactions. 3. In CHEM 3112, we will study reactions based on the deprotonation of ketones such as acetone, (CH3)2C=0, which has a pKa of 19. Given the bases LiN(i-Pr)2 and NaOCH3, decide which one…Pregabalin, C3H17NO2 is used as a treatment of epilepsy and neuropathic pain. NH2 pK, = 4.2 %3D H. pK = HO, = 3.4 Select the equilibrium corresponding the to the pK, = 9.8 CgH18NO2 (aq) + H20 (I) C3H17NO2 (aq) + OH (aq) C3H16NO2 (aq) + H20 (1) CgH17NO2 (aq) + OH (aq) CgH17NO2 (aq) + H20 (1) C3H18NO2 *(aq) + OH (aq) C3H17NO2 (aq) + H20 (1) CgH16NO2 (aq)+ H30*(aq)
- PQ-14. Given the equilibrium constants for these reactions: (8) H+ (3)'H³Ɔ (3)'H Ke% D2.8×10-21 Ke =9.5×10 13 CH, (g)+ H,O(g) =CH,OH(g)+ H, (g) What is the value of K. for this reaction? 2CH,OH(g) + H,(g)=C,H,(g)+ 2H,0(g) (B) 2.9x10-9 (C) 3.4x10% (D) 1.2x1029 (A) 9.5x10-13(a) Given that Ka for acetic acid is 1.8 x 10-5 and that forhypochlorous acid is 3.0 x 10-8, which is the stronger acid?(b) Which is the stronger base, the acetate ion or the hypochloriteion? (c) Calculate Kb values for CH3COO- and ClO-.Given the reactionsHF(aq) ⇌ H+(aq) + F-(aq) Kc = 6.9 x 10-4H2C2O4(aq) ⇌ 2 H+(aq) + C2O42 - (aq) Kc = 3.8x 10-6 Determine the value of Kc for the reaction2 HF(aq) + C2O42 - (aq) ⇌ 2 F-(aq) + H2C2O4(aq)
- The table below shows the structural formulas and corresponding K, values of four different compounds. Which statement best explains the data? Acid Formula K(25°C) 1.8X 10-5 1.4x 10 Acetic CH3COOH CH2CICOOH CHCI,COOH Chlorkacetic Dichloroacetic 3.3x 10-2 2X 10- Trichloroacetic CCl,COOH A) The chlorine atoms draw electrons away from the O-H bond. B) The chlorine atoms push electrons toward the 0-H bond. C) The chlorine atoms successively increase the molar mass of the compounds. D) The chlorine atoms successively increase the number of electrons of the compounds.Which of the following equilibrium equations have the smallest equilibrium constant? a) CH₂CH₂O`Na + -OH 0 CHOON b) (CH3)₂CHCO Na + H₂O c) NaOH + -OH CI d) More information is neededDraw an isomer of dibromocyclopropane that has 3 proton environments