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The standard Gibbs energy of reaction, ΔGr°, for the dissociation of phenol is 56.4 kJ mol-1 at 298 K. Calculate the pKa of phenol.
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- (b) Predict the suitable solvent (H2O or CH3COCH3) to increase the reaction of bromopropane (CH3CH2CH2B1) with sodium hydroxide (NaOH). Two reactions are shown below: NaOH, 55 °C CH;CH,CH,Br CH;CH,CH,OH + NaBr H,O (i) NaOH, 55 °C CH;CH,CH,Br CH;CH,CH,OH NaBr H,C CH (ii)10. The following reaction has variation of free energy value of AG = -2.1 kJ/mol CH;Br + H2S 2 CH;SH + HBr (a) Calculate Keq at room temperature (25°C) for this reaction as written. (b) Starting with a 1 M solution of CH3B and H2S, calculate the final concentrations of all four species at equilibrium.(b) Calculate the pH of 0.0005 mol dm3 ethanoic acid when its pKa = 4.75 CH3COOH( CH3COO() + H™ Ka = pH =
- At 25°C, for benzoate ion Kp = 1.54 x 10-10 while for ethanoate ion K = 5.5 x 10-10. Choose the correct answer: Select one: Ethanoate ion is a stronger base than benzoate ion but ethanoic acid is a weaker acid than benzoic acid. Ethanoate ion is a stronger base than benzoate ion but ethanoic acid is a stronger acid than benzoic acid. Ethanoate ion is a weaker base than benzoate ion and ethanoic acid is a weaker acid than benzoic acid. Ethanoate ion is a weaker base than benzoate ion but ethanoic acid is a stronger acid than benzoic acid.If the G for a reaction is 4.5 kcal/mol at 298 K, what is the Keq for this reaction? What is the change in entropy of this reaction if H = 3.2 kcal/mol?please make the explanation clear and thank you for your help
- Benzene is one of the compounds used as octane enhancers in unleaded gasoline. It is manufactured by the catalytic conversion of acetylene to benzene: 3C2H2 (8) C6H6 (8). Which value of Kwould make this reaction most useful commercially? K 0.01, K1, or K 10. Explain your answer.Chemical Equilibrium Write the equilibrium-constant expressions and obtain numerical values for each constant in (a) the basic dissociation of aniline, C6H5NH2. (b) the acidic dissociation of hypochlorous acid, HClO. (c) the acidic dissociation of methyl ammonium hydrochloride, CH3NH3Cl. (d) the basic dissociation of NaNO2. (e) the dissociation of H3AsO3 to H3O+ and AsO33- Using step-by-step process(b) Predict the suitable solvent (H2O or CH3COCH:) to increase the reaction of bromopropane (CH3CH2CH2B1) with sodium hydroxide (NaOH). Two reactions are shown below: NaOH, 55 °C CH;CH,CH,Br CH;CH,CH,OH + + NaBr H,O (i) NaOH, 55 °C CH;CH,CH,Br CH;CH,CH,OH + NaBr (ii) H,C- CH3
- You are studying a reaction wherein compound X is dehydrogenated to yield compound Y, and in the absence of a catalyst you have determined that the delta Go under standard conditions of pH 7 and 37o (RT = 0.59 kcal/mole) has a value of +1.2 kcal/mole. If you start with 150,000 molecules of X, how much, if any, Y will be generated when you reach equilibrium? Explain your answer.Draw compound D. Select Draw Templates More ||| ||| C H O د Erase OEthanoic acid and ethanol react together to form the ester ethyl ethanoate, CH₂COOC₂H, and water. CH₂COOH (1) + CH₂CH₂OH(I) = CH₂COOCH₂CH₂(1) + H₂O(l)