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Fractioned Distillation Microscale
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- (b) TABLE 3 shows data phase equilibrium diagram for carbon dioxide. TABLE 3 Pressure (atm) Temperature (°C) Triple point Critical point 5.2 -57 73 31 (i) Sketch a phase diagram for carbon dioxide (ii) Explain the phase changes that could possibly occur when a sample of carbon dioxide in a closed vessel under 1 atm pressure and a temperature of -78°C is pressurised isothermally to 10atm, followed by isobaric heating to 20°C.Aow mapy Jeitlgaules of cney వింగా ore Fagaried to coniert a l00 gum gream Sample of pure ligwd boptare 6aad at 20O oCto hapta e vogaar heptere vop 98-40C? [useus bata heptare CMW=100):normal boilug point=It 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?
- 1.Prepare 250ml of 70% and 90% ethyl alcohol from 95% ethyl alcoholusing the formula: C1V1=C2V2.pure liqu PB liquid x solution B Esure solid x liquid x (saturate»POin 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
- A salt solution (30% Na2CO3) weighing 1ton iscooled to 20C where the salt crystallizes asdecahydrate. What will be the crystal yield ifthe solubility is 21.5 kg anhydrous Na2CO3/100kg water? (assume that 3% of the totalsolution is lost by evaporation)For a successful crystallization the following conditions are desired? Agitated vessel O Cold solvent O Stationary (still) vessel O Slow crystal growth Warm solvent Fast solid formation (precipitation)Date Clas -TX Pape No Shivalal Chamistay Sulojtet Enouchneont Activity Woite the following clomistry actiaity neatly in ithe practicle science Actirity :- To kmow ithe deffenlnce between. strus selutions, Brepare all the thoree Ayper of soluton (Name them A, B &c) and aften tu- dlying the mechaniams invol ved, write the answer to the following quentions in yeur the activity (with its cum, materials required, proudure & conclusion) colloids & sspensions. chemistry nate book. Describe A.1-Wene you able to see the borticles in the miacture A.2:- Howe beam af 時ay CAR&c) obiserned the path you e of light visible. when passed itherough beaken containing miscture? A.11- Haweyou obseared any Setting f baurticles in the michine ef ăny CA,B&C)
- at D2 is mixed with sag 1og of ice 58°2? ber A20 at Find t, :."с. D. = Е. О ..... HI (2 eq.) Solvent HCOO ОН Br + ОН "BrShow complelesolutions for each of the problem. Sliow For the analyris of eunknown seda and vimegas ampler, 25.0 mL soda and 1.0 mL vimegar samples were diluted to in deparate Elenmeyu flasks. KHP, 0:85 g. (Puity = 50.0 mL ११.१४1, : 9.98%.; Molas mass = 204.2z g/mal) was titrated mith 11.5 mb of NaOH. affer the standardigatien step, it required O.0143 L of NaOH tor reach the end point with the sosa sample while it teok winegar as the indicator for the 2 significant figures. 0.00885 L with the saneple. Phemalphthalein as experiment. Expess all andwer in esed A) Determine the concentratiou of the titraut (NAOH). B) Determine the concentration ofy the unknown Vimegan sanmple. c. Determine the concentration off the unkmoun soda tample. CS Scanned with CamScanner