The distribution coefficients fora compound are as follows: Kcyclohexane/water = 1.5 Kpentane/water = 11.2 Kdiethyl ether/water = 5.1 Which solvent system, would give the best extraction into the organic solvent? Explain why.
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- Hexanoic acid was added to an immiscible biphasic solvent sysem, water and CCl4 at 20.0OC and the equilibrium concentrations of hexanoic acid were determined to be 3.66 g/L in H2O and 67.0 g/L in CCl4. Caluclate the distrubution coeffiecent (D1) of hexanoic acid in CCl4 with respect to water.Explaining Vapor Pressure in Terms of IMFs Given the shown structural formulas for these four compounds, explain their relative vapor pressures in terms of types and extents of IMFs: OH I H₂C-CH₂ ethanol HO OH | | H₂C-CH₂ ethylene glycol Solution CH₂CH₂OH: H-bonding & LDF. CH₂OHCH₂OH: Stronger H-bonding than ethanol (also LDF), and higher MM than H₂O. More viscous than ethanol, thus quite a low P vap. CH3-CH₂-0-CH₂ CH3 and H-O-H diethyl ether water C4H₁0O: Dispersion forces AND dipole-dipole. Diethylether is quite a volatile substance, with quite a high Pvap: vap• H₂O: H-bonding & LDF. Although the molecule with the LOWEST Molar Mass, it has Of the choices above, ONLY ethylene glycol has a LOWER Pvap- a low Pvap. LOWEST Pvap HIGHEST PvapHexanoic acid was added to an immiscible biphasic solvent system, water and CCl4 at 20.0OC and the equilibrium concentrations of hexanoic acid were determined to be 3.66 g/L in H2O and 67.0 g/L in CCl4. Caluclate the distrubution coeffiecent (D2) of hexanoic acid in water with respect to CCl4.6.3017g sample was weighted Analytically and made up volumetrically to 500mL. A 25mL alliqout of this solution required a total valume of 41.32mL of 0.0987MHCl to reach bromocresol green endpoint Another 25ml alligout of this salution was treated with 25mL of 0.1014M NaOH react with excess of BaCl₂ solution und left over NaOH required 21.83mL of 0.0987MHCl to reach the phenolpthelin end point. Determine the percentage of Na₂CO3 and. NaHCO3It was found that solubility of benzoic acid in water at differont temjperatures Was aceording to the follewing tuble. Tc 6 0 40 30 Logs 1.20 Jimol 1.415 1.58 1.77 calculate tne Valux of the chanye in enthalpy graphically?How much drying agent, MgSO4, would be needed for drying of 20mL dichloromethane solution that contains 0.01% water, knowing that each mole of MgSO, can absorb 7 moles of H;0?in fractional distillation, how do you tell which liquid is in which fraction and which fraction has a mix of liquids if you are trying to seperate cyclohexane and toluene?? what would the density and boiling point of the first fraction beThe generic structural formula for a 1-alkyl-3-methylimidazoliumcation is where R is a ¬CH21CH22nCH3 alkyl group. The meltingpoints of the salts that form between the 1-alkyl-3-methylimidazolium cation and the PF6- anion areas follows: R = CH2CH3 1m.p. = 60 °C2, R = CH2CH2CH31m.p. = 40 °C2, R = CH2CH2CH2CH3 1m.p. = 10 °C2, andR = CH2CH2CH2CH2CH2CH3 1m.p. = -61 °C2. Why doesthe melting point decrease as the length of alkyl groupincreases?You are given 5mL of cyclohexanol in a clean 100mL round bottom flask and its reacted with 15mL of (conc.) glacial acetic acid. The solution cooled for 20 minutes, followed by addition of 35mL of bleach using a separatory funnel. The solution was cooled and stirred for 10 minutes. The final product is cyclohexanone. The mass of the final product is 2.9g. Calculate percent yield. Interpret IR spectrum of product (shown below). Indicate keys peaks and functional groups.Answer the questions below. a) 500 ml. Acetic acid in 200 mL acetic acid-water mixture containing 30% acetic acid by volume with pure isopropyl ether will be separated by LIQUID-LIQUID extraction. Assuming the dispersion coefficient of acetic acid in isopropyl ether+water carjumine is 2, calculate the amount of acetic acid that passes into the organic phase and the extraction yield. b) What are the desired properties of the solvents used in liquid-liquid extraction processes?determine sauturation properties of propane at the relieveimg pressure 115kpa?Suppose you wanted to prepare a eutectic mixture of naphthalene and diphenylamine.Determine the masses of each naphthalene and diphenylamine required to make 6.000 gof a mixture at the eutectic composition.SEE MORE QUESTIONS