Weight of egg yolks: 17.8 g Crude cholesterol weight: 232 mg Recrystallized cholesterol weight: 168 mg Melting point of recrystallized cholesterol: 145-148 °C IR spectrum of recrystallized cholesterol: following page Calculation Calculate the percent recoveries of crude and recrystallized cholesterol compared to the weight of the egg yolks you started with.
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- CH3 Br2 [0] A -H2O NH3 NaOH -NaBr FeBr3 D Cu,180°C CH3 Br2 Mg CH3CH-O -B H,O [0]. C -D- E FeBr3 efir efir H* 8. CH;CHCH2CH2OH FS04 #so) -1)03 2)H0 -H;O2 H30 Al-O3 CH3 CH;MgJ CH5J H,O [H, Hg 2КОН 9. Br2 CH;CH=CH, spirt meh.133 107 ethyl ether ethyl alcohol 80 53 water 27 ethylene glycol 20 40 60 80 100 120 Temperature (°C) University of Wisconsin, https://wisc.pb.unizin.org/minimisgenchem/chapter/vapor-pressure-m10q3/ Reference the vapor pressure diagram above with the table below, which provides the chemical formulas for the fourubctancoc Pressure (kPa)Given the following data: Pals) 6 Cl2(g) → 4PCI3(g) AH = -1225.6 kJ Pals) 5 O2(9) > P4010(5) AH = -2967.3 kJ PCI3(9) Cl2(g) → PCI5(g) AH = -84.2 kJ PCI3(g) Oz(g) → CI3PO(g) AH = -285.7 kJ 2 Calculate AH for the reaction P.O10(s) + 6 PCI5(g) → 10 CI3PO(g)
- OTBS PCC F) DCM, 25 °C 1) Hg(OAc)2. THF/H20 2) NaBH4, Na "OH TIPSOTI, pyridine H) OH DCM, 25 °C 1) Na* 1, Acetone 2) Na* Ng, THF 0 °C 85% H3PO4. J) OH H20, heatA stalk of celery has a caloric content (fuel value) of 9.0 kcal.If 1.0 kcal is provided by fat and there is very little protein, estimatethe number of grams of carbohydrate and fat in the celery.(a) 2 g carbohydrate and 0.1 g fat (b) 2 g carbohydrate and1 g fat (c) 1 g carbohydrate and 2 g fat (d) 32 g carbohydrateand 10 g fatThe qrxn was -332 cal. What is this in kcal? Use the equivalence of 1 kcal = 1000 cal and dimensional analysis to solve. O a. -332 cal x 1000 cal 332000 kcal %3D 1 kcal 1 kcal 1000 cal Ob. -332 cal x 0.332 kcal 1 kcal 1000 cal C. -332 cal x = -0.332 kcal d. -332 cal x 1000 cal 332000 kcal %3D 1 kcal The heat of the reaction, AH,rxn, is found by dividing the qrxn by the moles of zinc used, nzn- AH xn %3D nzn What is the AH,xn if qrxn = -0.332 kcal and n = 0.0084 moles? O a. 40 kcal/mol O b. 40 cal/mol O c. -40. kcal/mol
- LO Profiles Tab Window Help Chrome File Edit View History Bookmarks Assign A ALE X b Answe C Calcul: C Calcul G 3-ethy C Name C Using C Consic O How D G fam A www-awu.aleks.com/alekscgi/x/lsl.exe/1o_u-IgNslkr7j8P3jH-Ivdr8RUjiNBZSaKW4JswZj9xS7uMs6c1gBjbj5qCel8j0Q2 Form N-648 O New Tab + Downloads P lapd G My Account Apply Now | Join... Los A Apps OpenCCC: Interna.. Initial Knowledge Check Question 26 Calculate the solubility of CUCO, in water at 25 °C. You'll find K data in the ALEKS Data tab. ds Round your answer to 2 significant digits. I Don't Know Submit kin_6_dome_1.mov © 2022 McGraw Hill LLC. A FEB 15 tv 08 F3 F2 93 DD %Given: 2CO2(g) co(g) + O2{g) ; Kc= 26, N2(g) + 3H2(g) 2NH3(g); Кс- 2 х 10-5, determine the Kc value for: a) CO2(g) CO(g) + ½ 02(g) b) 2NH3(g) N2(g) + 3H2(g)The maximum dose over 24 hours for OTC (over the counter use) of acetaminophen (medication in Tyleonol) is 4,000 mg. Many OTC and prescription medications contain acetaminophen along with other ingredients. Acetaminophen can be found in many cold medicines and in prescription painkillers such as Norco, which also contains the addictive opiod hydrocodone. Keeping track of sources and amount of acetaminophen is very important for your health. Abuse of Norco due to the opiod can also lead to toxic/lethal doses of acetaminophen. There are now strict regulations on the number of tablets of Norco that can be prescribed (7 day maximum per prescription, not refillable without another prescription). A tablet of Norco contains 325 mg of acetaminophen. Thirty tablets are in a week-long prescription post major-surgery to aid in recovery. How many grams of acetaminophen are in the 30 tablets?