About what thermometer reading (in degrees Celsius) do you expect as you approach the end of the fractional distillation of a 1:1 ethyl acetate-toluene mixture? 100 110 125 82
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About what thermometer reading (in degrees Celsius) do you expect as you approach the end of the fractional distillation of a 1:1 ethyl acetate-toluene mixture?
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- Can you explain on your own words why the thermometer should not be shaken rigorously to lower the reading to zero before using it?Benzoic Acid Champi Sample Weight of sample 0.4997 g 0.4107 g Pressure in the container 3000 kPa 3000 kPa Measured heat of combustion 26.28 kJ/g or 6.281 kcal/g 11.74 kJ/g or 2.806 kcal/g 1. Calculate the calorific value of the sample in KJ, kcal and cal units.Norei Alizay t tntio tu NealHi KuluuGuluut 1O8 Name: Thermometer Worksheet Write the temperature reading to the nearest tenth degree underneath each of the examples below. IS "F 1018 316 317 318 319 4h t412 1. Reading: 96 98.6 00 14. 36 317 318 319 40 4he 42 4h E 42 2. Reading: . 96 1.918.6...J00I 14 16 "FL. 1018 316 37 318 319 40 4h t 42 ....... 3. Reading:. 98.6 700 316 317 318 319 40 4ht42 4. Reading: . 316 317 318 39 4h e 42 5. Reading:. 96 1 98.6. j00 12..14J. 6 F 108 Immi 1 316 317 318 319 404h E 42 6. Reading: 96 | 98.G 0 316 317 318 319 410 4h t42 7. Reading: . 96 | 98.6l 10 16 FL 1018 316 317 318 319 8. Reading: 916 1. 98...y00...ul 316 317 318 319 4h t42 9. Reading: 916 98.d 100 12.1. 14|6 F 1018 316 317 318 39 40 4h t42 eading: .
- Please answer this NEATLY, COMPLETELY, and CORRECTLY for an UPVOTE. Co(NO3)2 (or CoCl2)From the stock solution (1.0 M), determine the volume needed to prepare 0.00, 0.04, 0.08, 0.12 and 0.16 M Co(NO3)2 solution in 50 mL volumetric flask. Obtain the calculated amounts, place in corresponding volumetric flasks and dilute to mark.Sugar solution is being heated to 83 o C in a jacketed pan made from stainless steel, 1.6 mm thick. Heat is supplied by condensing steam at 200 kPa gauge in the jacket. Calculate the rate of heat transfer if the surface heat transfer coefficients for condensing steam and sugar solution are 12000 J/m2-s-oC and 3000 J/m2-s-oC, respectively. Thermal conductivity for the stainless steel is 21 J/m-s-oC and the surface area of the pan is 1.4 m 2 .Find the Gibbs free energy of mixing when 2 moles of ethanol is mixed with 5 moles of water at a temperature of 27 °C. The pressure of the system is kept constant. The two liquids form an ideal solution. O A. -10.45 J O B. 10.45 kJ O C. -11.75 kJ O D. 11.75 kI O E. -10.45 kJ
- Combustion of a fuel sample in a bomb calorimeter increases the temperature of the entire system by 5.10 °C if the calorimeter contains 1700 g of water, but only by 4.00 °C if the calorimeter contains 2200 g of water. What is the heat capacity of the dry bomb calorimeter assembly? Assume that the specific heat capacity of water is 4.18 J g–1 °C–1.How can the temperature of steam be raised above 1008C? Which instrument is based on this technique and how is it used?A mixture containing only KCl and NaBr is analyzed by the Mohr Method. A 0.3172-g sample is dissolved in 50 mL water and titrated to the Ag2CrO4 endpoint, requiring 36.85 mL of 0.1120 M AgNO3. A blank titration requires 0.71 mL of titrant to reach the same endpoint. Report the % (w/w) KCl and NaBr in the sample. [Ans . 84.41 % (w /w); 17.59 % (w /w)]
- 5 L of 0.2 M dextrose solution from 5 M dextrose solutionRank the following aqueous solutions in order of increasing vapor pressure. You do not need to show work for this question. A 0.03m sugar (C,H120J B. 0.03 m NaCl C.0.03m Mg(NO3)2 Lowest Vapor Pressure Select] v < [Select] |Select] * Highest Vapor PressurePROBLEM 12.27 (a) Use Table 12.5 to calculate the osmotic pressure of the hemodi- alysis solution at 25 °C. (b) If the osmotic pressure of blood at 25 °C is 7.70 atm, what is the direction of solvent movement across the semipermeable mem brane in dialysis? (Blood to dialysis solution or dialysis solution to blood)
