Solute Blue dextran Molecular Weight of solute Log' of the # Na2CrO4 2,000,000 Alkaline phosphatase Cytochrome C| 12,400 86,000 162 Log (Molecular wt.) 6.3 4.93 4.09 2.20 Elution Volume Ve (ml) 0.5M) AI 65 -6 2:3ML 3.5Ml 1. The total space surrounding the gel particles in the packed column, Vo = Ve of blue dextran. Why? V- 3.14 r²h Vt = Measure inner radius of the column, r = Measure the Height of the column bed, h= 2. Calculate the total volume occupied by the column Vt using following equation and data provided,
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- 11. Which of the following is the phase diagram of water-nicotine system? TIK |210 Composton of one PR1 P.2 292 200 P2 Cempn of second pha Liquid P=2 Liquid 273- Liquid P.1 P.1 dz da de Liquid, P= 2 Mole fraction of B, Mole traction of B. B C D E Temperature, T O rdueCalculate the mean ionic molality for 0.25m LaCls. [Ans. 1.1914 m] 570 nsmer For aqueous HCl solutions, it can be determined: Y- =0.72515 + 0.029188m + 0.055959m Determine the molality at which auCi= 1. (Note: This is the molality for the standard state of HCL in Water; pHCI) [Ans. 1.1914 m] %3D0o Turkcell 3G 03:22 @ %27D moiar voiume or tne etnanor (d 0.789 g/cm'; d-1.00 g cmr"; Mw for water-18 g mot', ethanol-46.07 g mot') 5. The addition of 5.00 g of a compound to 250 g of naphthalene lowered the freezing point of naphthalene by 0.780 K. Calculate the molar mass of the compound. (K6.94 K.kg/mol for naphthalene) 6. The vapour pressure of a liquid in the temperature range 200 K to 260 K was found to fit the expression In(p/Torr) - 18.361 - 3036,8/(T/K). Calculate the enthalpy of vaporization of the liquid. 7. At 25" C, water rises through 7.36 cm in a capillary of radius 0.20 mm. Calculate its surface tension at this temperature. (density of water is 0.9971 and gravity is 9.81 m/s') lenovo
- II 2016) as uid. I 2016) stics is ositive. sitiva 9. The protecting power of lyophilic colloidal sol is expressed in terms of (a) coagulation value (b) gold number (c) critical micelle concentration (d) oxidation number BVP ³h, 10. If x is amount of adsorbate and m is amount of adsorbent, which of the foll (d) (a)Alt Alt Ctrl HRA chemist pRopaped 1 レ dissilving B.0g of Ag NO, in wateR matke 350.0mb to of Sólution. what is the molaizity Of the solution? molaR mass of silver hiticate =ll09.889mil %3DQ3/ Calculate the solubility of barium carbonate BaSO4 in a solution containing MgSO4 0.04M taking into consideration the activities. Compare the result if the effectiveness is not taken into consideration, KSP BaSO4 = 1.08 x 10 -10
- If a 5.00L of a 5.0M soluticn sadium chluride CCCI) is Ciluted to a volume cf l0.0L, vhat is the new cocentretion?Chrome ... t email draft esc X E C 17.4 Solubility and 18.3 Gibbs Free E... 5.3 Enthalpies of.... Nancy Foldi x A ALEKS-La XC|Chegy.com www-awu.aleks.com/alekscgi/x/lsl.exe/1o_u-IgNsikr7j8P3jH-IvTqeviKFP6W0cqJcWJdIACROQwyw24GWHInrM9gp1X_skbllM9wHNg_.6zrMKCucksw 18.5 Gibbs Free E. Reading Schedule 19.6 Reduction Po... OKINETICS AND EQUILIBRIUM Calculating equilibrium composition from an equilibrium constant Suppose a 250, ml flask is filled with 0.70 mol of NO₂, 0.60 mol of NO and 1.6 mol of CO₂. The following reaction becomes possible: NO₂(g) +CO(g) NO(g) + CO₂(g) The equilibrium constant K for this reaction is 0.443 at the temperature of the flask. Calculate the equilibrium molarity of NO₂. Round your answer to two decimal places. OM Explanation Zoom (2).pkg 1 Check X C E 3 4 G Search or type URL R tv 5 19.6 Reduction Po... SOLUTION: The le Math 115 W- 6 Ⓒ2022 McGraw Hill LLC. All Rights Reserved. Terms of Use ☆ Oya 8POin Elevation Aselution in preparnd by dissolving 15.60gof ordinary ger (sueroe, CHO, molecular weight-342 amu) in 15.00 gof water Calculante the boiling peier of the solution Sacose i anovolatile nonelectrolyte Solvent TC) THC) rCkg/mal) rChg/moll Benzene, Cal 80.1 253 55 530 Camphor, Cato 204 176 37.7 Cyciohexane, CH B0.88 2.79 6.50 202 Nitrobenzene, Cll, NO, 2108 524 81 water, H0 100.0 0.00 Submit Sho A h E Try A
- BC Broward Col x O Onelogin xe Expt. 6 pre-l xA "Expt. 7 Quiz X G .What is an x b ziprecruiter x O 12.628+ Par X E Login x + O File | C/Users/nerbs/Downloads/Expt.%207%20Quiz,%20Part%201.pdf 10 2) If absorptivity (the constant of how much light of a given wavelength the sample absorbs) and path length (how much solution there is for light to pass through) are the same, which is true for a Beer's Law solution? a) its concentration and absorbance are proportional b) its concentration and rate are proportional c) its absorbance and rate are proportional d) the solution is an alcoholic beverageWhat is the molar fraction of glycine in an aqueous solution whose concentration is 0.140 molkg-1. Data: Mass H2O = 1 kg; M.M. H2O = 18.01 gmol-1.www-awu.aleks.com/alekscgi/x/lsl.exe/10_u-IgNslkr7j8P3jH-lvTqeviKFP6W0cqJcWJdIACROQwyw24GWHinwgLxrTA3qJGX 18.5 Gibbs Free E... Reading Schedule 4 Solubility and... esc 18.3 Gibbs Free E... 5.3 Enthalpies of.... O KINETICS AND EQUILIBRIUM Calculating equilibrium composition from an equilibrium constant Zoom (2).pkg Suppose a 250. mL flask is filled with 1.2 mol of Cl₂ and 0.60 mol of HCl. The following reaction becomes possible: H₂(g) + Cl₂(g). 2HCl(g) The equilibrium constant K for this reaction is 0.409 at the temperature of the flask. Calculate the equilibrium molarity of H₂. Round your answer to two decimal places. M Explcnation Check 3 X $ 4 S > C % 5 (Q) tv I A 6 We 19.6 Reduction Po... Ya sc & C Ⓒ2022 McGraw Hill LLC. All Rights You 9