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- Calculate the missing data in the following table. Compound ΔHvap (kJ/mol) ΔSvap [J/(mol·K)] Boiling Point (°C) hexanoic acid 71.1 105.7 hexane 28.9 85.5 69 or 68.73 formic acid 60.7 100.8 1-hexanol 44.5 157.5 The text states that the magnitude of ΔSvap tends to be similar for a wide variety of compounds. Based on the values in the table, do you agree?If one mixes 50cm³ of EtOH and 50cm³ of H2O at room temperature; will the total volume of the solution be 100.0 cm³? Justify answer with appropriate calculations and explanationsSucrose (C12H22O11), which is commonly known as table sugar, reacts in dilute acid solutions to form two simpler sugars, glucose and fructose, both of which have the formula C6H12O6: C12H22O11 (aq) + H2O (l) → C6H12O6 (aq) + C6H12O6 (aq) Sucrose Glucose Fructose At 23 o C and in a 0.5 M HCl, the following data were obtained for the disappearance of sucrose Time (min) [C12H22O11] (M) 0 0.316 39 0.274 80 0.238 140 0.19 210 0.146 Is this reaction first order or second order? What is the value of the rate constant?
- Will calcium carbonate CaCO3 change its physical properties (for example, solubility in hydrochloric acid or will it become less bioavailable for human assimilation) if it is previously subjected to prolonged heat treatment at a temperature of 100 degrees Celsius?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.If 124.4 mL of water is shaken with oxygen gas at 0.81atm, it will dissolve 0.0036 g O2. Estimate the Henry's law constant for the oxygen gas in water in units of g mL ^-1atm^-1.
- What is the boiling point rise in oF of a 15% solution of nitric acid in water boiling at 200oF? Need asapIf 102.6 mL of water is shaken with oxygen gas at 1.8 atm, it will dissolve 0.0034 g O2. Estimate the Henry's law constant for the oxygen gas in water in units of g mL-1atm-1.Boiling Point Elevation/Freezing Point Depression T = m K where, for freezing point depression: T = T(pure solvent) - T(solution) and for boiling point elevation: T = T(solution) - T(pure solvent) m = (# moles solute / Kg solvent) Kb = boiling point elevation constant. Kf = freezing point depression constant. Kb and Kf depend only on the SOLVENT. Below are some common values. Use these values for the calculations that follow. Solvent Formula Kb(°C / m) Kf(°C / m) Water H2O 0.512 1.86 Ethanol CH3CH2OH 1.22 1.99 Chloroform CHCl3 3.67 Benzene C6H6 2.53 5.12 Diethyl ether CH3CH2OCH2CH3 2.02
- * A 1.20 g sample of unknown compound is disolved in 50 g of CHe. The solution freezes at 4.92 C. Calculate the MW. (f.p of CH6= 5.48 C, K; of CHo=5.12 C/m)Desalination is one possible process of extracting water from salty water ( from sea ) for industrial & domestic use. Briefly discuss and illustrate how to do it psychrometrically. attach the illustration plsExample: Calculation the weight of barium iodate Ba(IO3)2 if it dissolved in 500mL of distilled water (D.W) at 25 °C if M.wt of ppt = 487 g/mole and %3D Ksp= 1.57x10.