Which of the following is the best method for preparing CH3-C-O-CH3? ° e e CH3-C-H + CH3ONa CH3-C-NH2CH3ONa CH3-C-C1 + CH3ONa ° CH3-C-OH + CH3OH 0 CH3-C-H CH3OH H ட் @ H
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- Calculate AH° for the reaction 2K (s) + 2H,0(1) — 2КОН(аq) + Hә (9) Substance and State AHF° (kJ/mol) K(s) KOH(ag) H2 (g) H2O(1) -481 -286 ΔΗ' kJ(15) Which of the following statements about this reaction is true? -Br CH4 HBr .CH3 (A) AH® is negative, the transition state structure resembles the products (B) AH is negative, the transition state structure resembles the reactants (C) AH' is positive, the transition state structure resembles the products (D) AH® is positive, the transition state structure resembles the reactantsUse the following equilibria2CH4(g) <----> C2H6(g) + H2(g) Kc1 = 9.5 × 10-13CH4(g) + H2O(g) CH3OH(g) + H2(g) Kc2 = 2.8 × 10-21to calculate the value of Kc' for the following reaction:2CH3OH(g) + H2(g) <---> C2H6(g) + 2H2O(g) Enter your response in scientific notation, e.g. enter 2E3 for 2000
- Given the following reversible reactions and Kc values: (I) Self-ionization of water: H2O + H2O H3O+ + OH-, Kc = Kw = 1.0 x 10-14. (II) Ionization of a weak base: NH3 + H2O NH4+ + OH-, Kc (= Kb) = 1.8 x 10-5. a) Determine the Kc for the reaction: NH3 + H3O+ NH4+ + H2O b) Would you assess the Kc value as LARGE or small? Does your assessment make sense for this reaction, i.e. think about the species involved?Given the reaction P,O10 (s) + H2O → H3 PO4 (aq) H20 → H3 P04 (aq) ΔΗ -96 %3D .2 kJ what the AH for P4010 (s) + 6 H2O → 4H3 PO4 (aq) be? O -384.8 kJ O384.8 kJ 192.4 kJ O -192.4 kJO Ni(H₂O)2+ (aq) + 3SCN- (aq) = Ni(SCN); (aq) + 6H₂0(1) (a) Write the Kc expression for this equilibrium. (b) Would there be a shift to the right or to the left if KSCN solution was added to a solution containing this equilibrium? Explain your answer.
- C=a4bc46ac4 Part A X Given the two reactions 1. H₂S(aq) = HS (aq) + H+ (aq), K₁=9.46x10-8, and 2. HS- (aq) = S²-(aq) + H+ (aq), K2 = 1.31x10-19, what is the equilibrium constant Kfinal for the following reaction? DO Enter your answer numerically. ► View Available Hint(s) Kfinal Submit W LIVE ΑΣΦ MacR Pearson Education Inc. All rights reserved. Terms of Use | Privacy Policy | Permissions Contact Us D P Pearson zoom S² (aq) + 2H+ (aq) = H₂S(aq) t O ? ReviewWhat is Avg for each reaction? A(g) + B(g) --> C(s) +1 A(g) --> B(g) -2 A(g) + B(s) --> 2C(g) +2 2A(g) --> B(g) + C(I) -1 A(s) --> 2B(g) >Use the following equilibria2CH4(g) C2H6(g) + H2(g) Kc1 = 9.5 × 10-13CH4(g) + H2O(g) CH3OH(g) + H2(g) Kc2 = 2.8 × 10-21to calculate the value of Kc' for the following reaction:2CH3OH(g) + H2(g) C2H6(g) + 2H2O(g)
- Ethyl acetate is synthesized in a nonreacting solvent (not water) according to the following reaction: CH3 CO2H+ C2H; OH = CH3 C02C,H; + H2O К — 2.2 Acetic acid Ethanol Ethyl acetate For the following mixtures, will the concentration of H2 O increase, decrease, or remain the same as equilibrium is established? а. [CH3CO-С2H:] — 0.22 М, [Н,0] — 0.10 М, [CH3 CO2H] — 0.010 М, [С, Нs Он] — 0.010 м decrease increase O remain the same b. [CH3 CO2 C2H3] 3D 0.22 М, [Н2о) —D 0.0020 М, [СH; CO2H] — 0.0020 М, [С2H5 ОН — 0.10 м decrease X increase O remain the same c. [CH3 CO2C2H3] 3D 0.88 М, [Н20] - 0.12 М, [СH3СО2Н 3D 0.044 М, [С Hs ОН — 6.0м decrease O remain the same increase d. [CH; CO2C2H;] 3D 4.4 М, [Н20] %3D 4.4 М, [СН3СОН — 0.88 м, [С, H; ОН] — 10.0м increase O remain the same decrease e. What must the concentration of water be for a mixture with [CH3CO2 C2H5] = 1.0 M, [CH3CO2H] = 0.10 M, and [C2H5 OH] = 6.0 M to be at equilibrium? Concentration = 0.09 X M6. Calculate the AG for the following reaction at 25 C: (a) N2(g) + O2(g) 2NO(g) (b) H2O1) H2O(g) (c) 2C2H2(9) + 502(g) 4CO2(g) + 2H2Ou) |Stearic acid, nature's most common fatty acid, dimerizes when dissolved in hexane: 2C17H35COOH (C17H35COOH)2 ΔΗ , rxn = -172 kJ The equilibrium constant for this reaction at 32°C is 2650. Estimate the equilibrium constant at 48°C. (show work) 90.1 2630 -90.1 77,900