Experiment - Recrystallization Weight of crude acetanilide % yield Weight of pure acetanilide 2.2 g 1.5 g % purity Melting point of recrystallized acetanilide 114.3
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Q: set-up, e volatile acetc е аcet
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Answer the % yield and % purity in the table. Thank you.
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- * OWLV2 | Online teaching and lear X b Search results for ' In the laborat x * bartleby Reviews | Read Custome X A cvg.cengagenow.com/ilrn/takeAssignment/takeCovalentActivity.do?locator=assignment-take&takeAssignmentSessionLocator=assignment-take O Khan Academy O Collin Canvas * Canvas НАС НАС O YouTube A Classes 00 Duolingo - The worl. O CengageBrain - My. Q Your Sets | Quizlet VOL X2VOL - Sign In dental terminology... STAAR >> Solubility Equilibrium 1 [Review Topics] [References] 1. Writing Ksp Expressions 1 pts Use the References to access important values if needed for this question. 2. Ksp: Interpret Magnitude and Solub..1 pts For each of the salts on the left, match the salts on the right that can be compared directly, using Kgp values, to estimate solubilities. 3. Ksp: Calculate from Solubility (mol/L) 1 pts (If more than one salt on the right can be directly compared, include all the relevant salts by writing your answer as a string of characters without punctuation, e.g, ABC.)…McGraw Hill C C Chegg- Get 2 OWLv2 | Assic cengagenow.com/ilrn/takeAssignment/takeCovalentActivity.do?locator= assignment-take Submit Answer (3 Which of the following describes the compound BaS? Choose all answers that apply. Content S OWLv2 | Orx Retry Entire Group [Review Topics] [References] Use the References to access important values if needed for this question. The compound would conduct electricity if molten. The compound is ionic. If the compound dissolved in water it would be a strong electrolyte. The compound would be expected to have a relatively low melting point. The compound is molecular. CengageNOV D 4 more group attempts remaining New Tab Ⓒ ↓ IP. Other Bookmarks 6:44 AMMOTION EYE Onlin X * OWLV2 Student : OWLV2 |Onlinet S Geometry w/Dat S Practice 10.10 | S 9 Geometry w/Dat G Sign in - Google Logins & Passwc O 8 https://east.cengagenow.com ilrn/takeAssignment/takeCovalentActivity.do?locator=assignment-take OOther Bookmarks [References) Use the References to access important values if needed for this question. The boiling point of chloroform, CHCI3, is 61.70°C at 1 atmosphere. A nonvolatile, nonelectrolyte that dissolves in chloroform is testosterone. A student dissolves 14.74 grams of testosterone, C19H2802 (288.4 g/mol), in 189.3 grams of chloroform. Use the table of boiling and freezing point constants to answer the questions below Solvent Formula KL (°C/m) Kf (°C/m) Water H20 0.512 1.86 Ethanol CH3CH2OH 1.22 1.99 Chloroform CHCI3 3.67 Benzene C6H6 2.53 5.12 Diethyl ether CH3CH20CH2CH3 2.02 The molality of the solution is m. °C. The boiling point of the solution is Submit Answer Try Another Version 2 item attempts remaining 9:38 AM 5/5/2022…
- ride (35.5) of a 50 Answer: 0.57 ppm of chloride (b) Nurmalidy 3-9. Calculate the formality Jof each of the solutions resulting on mixing solution A with solution B. Coneen (d) 12 (e) 20 () 415. You hav Solution B Solution A Volume, ml Formality Formality Volume, ml 200.0 100.0 0.120 0.150 300.0 50.0 80.0 many mi (a) (b) (c) 0.1015 0.1250 2.5 50.0 80.0% 46. Exp 3.2 300.0 1.0 2.0 500.0 2221 Online teaching and lear X now.com/ilrn/takeAssignment/takeCovalentActivity.do?locator=assignment-take 5 100 (M) (M) ts 2req Ots 2req pts 2req 1 pts 2req 1 pts 2req 1 pts 2req 1 pts 2req Visited 1 pts 2req 1 pts 2req 1 pts 2req do % 5 G f6 [Review Topics] [References] Use the References to access important values if needed for this question. An aqueous solution of ammonium fluoride, NH4F, contains 0.830 grams of ammonium fluoride and 17.6 grams of water. What is the weight/weight percent of ammonium fluoride in the solution? Weight/weight percent = 10 + Submit Answer Y I Q Search &7 18 Retry Entire Group * 4 4+ 8 fg 96 K 9 more group attempts remaining cỡ m hp KA f10 . UC ADI 12 + P ins prt sc delete backspace home num lock enter 8:06 PM 5/18/2023 end * A 7 home pg up 004 Sake/hunchisp/oourse assessmentid=19767111&course id= 54057 1&new attempt=1&content.id%3 inthrop blackboard.com/weba QUESTION 24 The formtula for dinitrogen pentoxide is Nv O QUESTION 25
- Cengagenow.com/ilrn/takeAssignment/takeCovalentActivity.do?locator=assignment-take Labflow - Course: U... M Inbox (2,487) VLv2 | Assignmen... For the gas phase isomerization of dimethyl citraconate, cis-(CH3OOC) (CH3)C=CHCOOCH3 → trans-(CH3OOC)(CH3)C=CHCOOCH3 S the rate constant at 661 K is 4.94 x 10-4 s-1 and the rate constant at 703 K is 1.55 x 10-³ s-¹. The activation energy for the gas phase isomerization of dimethyl citraconate is kJ. An error has been detected in your answer. Check for typos, miscalculations etc. before submitting your answer. Submit Answer Pro-Connect [Review Topics] [References] Use the References to access important values if needed for this question. Retry Entire Group 9 more group attempts remaining 4Activity 1. Strength of IMFA and Physical Properties of berrmad suoHInW What's More Activity 1. Strength of IMFA and Physical Properties of d Covalent Compounds For each pair of molecules, identify the one with the higher boiling point (BP), melting soint (MP), viscosity (V), surface tension (ST) and vapor pressure (VP). Briefly explain rour choice. BP MP V ST VP H-C-H CI-C--CI H. :CI Methane, CH4 carbon tetrachloride, CC14 H. H. Dihydrogen sulfide, H2S water, H20 H-C-ö-H H-C-C-ö-H H. H. ethanol, CH3CH:OH Methanol, CH;OH H :O H. H. H-C-C=ÖH H-C-C- C--H Acetic acid, CH3COOH acetone, CH3OCH, Adapted from Punzalan and Monserat (2016) 10Compounds Mass 3-nitrophthalic acid used 200 mg = 0.2g 8% aqueous hydrazine used 0.4mL 3-nitrophthalhydrazide obtained 130 mg = 0.13 g sodium hydrosulfite dihydrate 0.6 g luminol obtained 70 mg = 0.07 g compute yield for nitrophthalhydrazide in the first step (assume nitrophthalic acid is limiting reagent) compute yield for luminol in the second step (using nitrophthalhydrazide as limiting reagent) compute yield for the overall reaction
- Retention time, min Name of Compound 10.767 Benzaldehyde 15.790 Azulene 16.002 1-Piperazinecarboxaldehyde 17.935 Phthalan 20.731 2-methoxy-1,3,4-trimethybenzene 24.028 Methylesterpentanoic acid 26.993 Tetradecamethylcycloheptasiloxane 31.753 Hexadecamethyl Cyclooctasiloxane If GC is combined with MS, what data you will add as the 3rd column in Table 1 above. Fill in that data for each of the select identified phytocomponents.Which of the following will test positive in iodoform test? OH I I and II only II and IV only II and III only O I, II and III only II Ś III IVX b Answered X Co. How to Ca X N NSU Logir x PeriodicTal X M Action Rec X 0 mySigTau X G 4.25 ml to X NBA Final X G scientific X+ now.com/ilrn/takeAssignment/takeCovalentActivity.do?locator%3Dassignment-take [References] Ethene is converted to ethane by the reaction C,H4 (9) + H2 (g) Catalyst + C2H6 (9) C2 H4 flows into a catalytic reactor at 25.6 atm and 280.°C with a flow rate of 1100. L/min. Hydrogen at 25.6 atm and 280.°C flows into the reactor at a flow rate of 1400. L/min. If 13.6 kg C2 Hg is collected per minute, what is the percent yield of the reaction? Percent yield Submit Answer Try Another Version 2 item attempts remaining Previous Next Email Instructor Save and Exit Cengage Learning | Cengage Technical Support