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- 10) PCC H,CrO4 ? ?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.Write the products of the following reactions. If there is no reaction write NR. Clearly indicate cis or trans stereochemistry in your answer and actually write "CIS or "TRANS" in cyclic systems.
- (i) (ii) (iii) (iv) CI CO₂H CI 1 STEP followed by workup 2 STEPS followed by workup 1 STEP followed by workup 2 STEPS followed by workup OH CO₂H CHO5/6 >> 83% 85 min 06 secs A person is out on the beach for about 1 hour without sunscreen. The amount of UVA radiation hitting a surface at sea level on a slightly clouded day is about 80W/m2. About half of that can be absorbed by the skin. Estimate the number of C-C bonds broken in this person's back (about 0.24 m2) over that period. A typical carbon-carbon bond requires 348 kJ/mol to break. Assume that the average wavelength of UVA is 335 nm. Type your answer here:PHOTOSYNTHETIC PIGMENTS 1.6 0.7 1.4 Qy CH 0.6 1.2 Soret 0.5 1 H 0.4 0.8 0.3 COOCH 0.6 phytyl bacteriochlorophyll a 0.2 0.4 Qx 0.1 0.2 300 400 500 600 700 800 700 750 800 850 900 2 (nm) 2 (nm) Figure 4.7 Absorption (left) and fluorescence (right) spectra of bacteriochlorophyll a in diethyl ether 5. Look at this figure from Blankenship's book, Molecular Mechanisms of Photosynthesis. You can see the structure for bacteriochlorophyll a, along with its absorption spectrum. a. What is the molecular shape around the labeled carbon atom? b. What is the hybridization around that same carbon? c. Based on this structure, would you expect this molecule to absorb light in the visible spectrum? Why or why not? Absorbance Fluorescence (Arbitrary units)
- Jojoba oil contains 87% w/w wax esters. This 87% is composed of an equal molar distribution of four different types of wax esters, all made from the condensation of eicosenoic or docosenoic acids with eicosenol or docosenol. The structures and molecular weights of these four wax esters are presented below MW= 618.06 g/mol MW= 618.06 g/mol MW= 590.00 g/mol MW= 646.14 g/mol Calculate the average molecular weight of the wax esters in jojoba oil. O 463.55 g/mol 537.72 g/mol 618.07 g/mol 645.23 g/mol 2472.26 g/mol> Recitation Groups 2- Bb Clicker Student >CHEM 120 Recitation-B X G what does com/#/courses/f6a0eb3e-1b08-4659-b1fa-c41d6db62792/assignments/e5af6f1a-129e-46e4-8a24-01214d81b6a9 Eae ntiala of Ongane Chemitry Rtaton s CHEM 12 3, [Multiple Cholce] Choose an alcohol best sultableforthis reaction OH HO A. HO OH C. OH В. D. hp 近CH3 HBr a) ? Br NaOC2H5 / isi b) 1.NABH4 2. Hао co,C2H5 1. Hg(OAc)2/THF/H2O d) 2. NaBHaГОн .CO2C2H5 isi e)
- CH3 О А OB ос D H3C H3C A C Brz CH₂Cl₂ .Br H/I!! Н ? H3C H3C, B 1114 D H "/Br H "//BrH30* d. [1] CH3OH, H* CH30 HO. MgBr е. [2] (2 equiv) [3] H20 HO [1] SOCI, f. [2] CH3CH,CH,CH,NH2 [3] LIAIH4 [4] H2OA eFundi : NCHE 121 1- E NCHE 121 - Test 8 - Ve x G c8h12i iupac name -C X b My Questions | bartleb x R° (PDF) The Fourth Indu: X R° (PDF) In dis tree - 4 W x A docs.google.com/forms/d/e/1FAlpQLScN5aWTObzfQAgIF5ETgigA7N4LhreJo3ILGJ6Zwl0D7iboNQ/formResponse Question 4: Four haloalkanes have approximate boiling points of 50°C, 70°C, 90°C and 102°C. Which compound in Figure 4 has an approximate boiling point of 90°C? * O A O B O c O D Figure 4 Br D CI to 17:31 P Type here to search 38°C Partly sunny 2021/11/04