Homework Answers
Step1:
Nucleophilic attack by phosphorus ylide to carbonyl carbon to form
betaine.
Step2: formation of 4-membered ring
Step3: retro [2+2] to form the product.
Here the driving force is the formation of stable triphenylphosphine oxide.
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+ Fit to page Page View All Read aloud 2 4. Draw the full mechanism for...
- + fit to page Page view A Read aloud Synthesize the following compounds from benzene...
- + fit to page Page view A Read aloud Synthesize the following compounds from benzene : (10 pts) - + Fit to page Page view A+ 29. In the following reaction, the alkyl halide makes a carbocation intermediate before the electrophilic attack by the aromatic ring Explain why the product is not observed in this reaction. What product is produced? (10 pts) CH
7 of 7 lo - + K Fit to page ID Page View All Read aloud...
7 of 7 lo - + K Fit to page ID Page View All Read aloud L Add notes Chapter 11 ...66 GO In Fig. 11-58, a small 50 g block slides down a frictionless surface through heighth = 20 cm and then sticks to a uniform rod of mass 100 g and length 40 cm. The rod pivots about point o through angle & before momentarily stopping. Find 0. Figure 11-58 Problem 66 ..24.
+ Fit to page ID Page view A) Read aloud of 4 Add notes 3. Consider...
+ Fit to page ID Page view A) Read aloud of 4 Add notes 3. Consider the function g(x) = 5x on the interval [4,9). b. Does the Mean Value Theorem apply to g(x) on this interval? If so, find all numbers, c, guaranteed to exist by the Mean Value Theorem. If not, explain why not. (3 pts.)
o - + fit to page 1 Page view A Read aloud Add notes 5. For...
o - + fit to page 1 Page view A Read aloud Add notes 5. For the damped mass-spring problem modeled by the equation: y" +4y' + 3y = 0 (a) Find two non-zero solutions that are not multiples of each other by guessing an appropriate form of a non-zero solution and plugging it into the equation. (b) Convert the 2nd order equation into a 1st order system. (C) Using your answers from part (a), obtain two solutions to the...
- + Fit to page C Page view A Read aloud 7.Z ROK CUICUTUTTOTT An investment...
- + Fit to page C Page view A Read aloud 7.Z ROK CUICUTUTTOTT An investment of $10,000 in new equipment will generate income of $1200 per year for 10 years, starting 3 year from now. The machine can be sold for an estimated $200 at year 13. If the company's MARR is 10% per year, should it buy the machine? F=200 A=1200 0 1 2 3 4 5 P= 10000
isersJayla 20anielle/Appuatay Loca/Packages/MICROSOITMICOsontEdge Swekyb3d8bbwe/TempState/Downloads/CH%20221%20General%20CH - + fit to page D Page view A Read aloud Freezing...
isersJayla 20anielle/Appuatay Loca/Packages/MICROSOITMICOsontEdge Swekyb3d8bbwe/TempState/Downloads/CH%20221%20General%20CH - + fit to page D Page view A Read aloud Freezing Point Depression Freezing point AT= mx Kf depression constant Kr(water) = 1.86 °C/m molality Calculate the freezing point of a 1.7 m aqueous ethylene glycol solution
WORLONI ORAINES 20CLONINGENIERO - + Fit to page D Page view TULOZETLUS ) A Read aloud...
WORLONI ORAINES 20CLONINGENIERO - + Fit to page D Page view TULOZETLUS ) A Read aloud L Add Design forward and reverse primers (21 nucleotides) - amplify the following DNA fragment using Polymerase Chain Reaction (PCR): S'GTACCCGAGGGCTACGCTCATATTACCCTATGCATGCGCCCTACGATC GGTTCCCTAATCTCTGGCTAATCCTCTGCTTATCTTCAACTGGACTTAG CCGATTCGACGGATTAGGGCTTTATCTTACCTAATGGCTACCATTGCGC AGGTGCAGGTTACTACGGCGTTAACGGAGGCCCTTCTAATCTCGGC GCGCGCTTAATTCCGGATCCGGCCTCTC GCCGCTCTCGGAATAATCCT CCATTCTGCATATGCGCGGCTTACTAT. IAGGGTCCCTAGATTTGCTTA TATTACTAATGGGTATAACTATACCTATAGTACCCGGGTATATAGCTA GCT 3' a List down the forward and reverse primers designed. Indicate the 5' and 3' end. (2 marks) b. Using the following formula I'm = (4 *[G+C) + (2 1 + 71°C, estimate the...
2 of 7 Fit to page CD Page view A' Read aloud Add notes P (3...
2 of 7 Fit to page CD Page view A' Read aloud Add notes P (3 marks) C. The following chart, Figure Q1C (i) shows production steps in a typical sand-casting operation, -- Pattern making Pattern - Core making Gating system Sand Mold Heat treatment i Melting of metal Pouring into mold Solidification and Shakeout and removal of risers and gates Cleaning and Inspection cooling finishing Furnaces Additional Defects heat treatment Pressure tightness Dimensions Figure Q1C (1): Outline of production...
5. Draw the complete stepwise mechanism for the formation of the ylide from the first 2...
5. Draw the complete stepwise mechanism for the formation of the ylide from the first 2 steps, then draw the complete stepwise mechanism for the Wittig reaction. Must draw all intermediates for full credit. Br 8 PPhz, nBuli
- + fit to page Page view A Read aloud Synthesize the following compounds from benzene : (10 pts) - + Fit to page Page view A+ 29. In the following reaction, the alkyl halide makes a carbocation intermediate before the electrophilic attack by the aromatic ring Explain why the product is not observed in this reaction. What product is produced? (10 pts) CH
7 of 7 lo - + K Fit to page ID Page View All Read aloud L Add notes Chapter 11 ...66 GO In Fig. 11-58, a small 50 g block slides down a frictionless surface through heighth = 20 cm and then sticks to a uniform rod of mass 100 g and length 40 cm. The rod pivots about point o through angle & before momentarily stopping. Find 0. Figure 11-58 Problem 66 ..24.
+ Fit to page ID Page view A) Read aloud of 4 Add notes 3. Consider the function g(x) = 5x on the interval [4,9). b. Does the Mean Value Theorem apply to g(x) on this interval? If so, find all numbers, c, guaranteed to exist by the Mean Value Theorem. If not, explain why not. (3 pts.)
o - + fit to page 1 Page view A Read aloud Add notes 5. For the damped mass-spring problem modeled by the equation: y" +4y' + 3y = 0 (a) Find two non-zero solutions that are not multiples of each other by guessing an appropriate form of a non-zero solution and plugging it into the equation. (b) Convert the 2nd order equation into a 1st order system. (C) Using your answers from part (a), obtain two solutions to the...
- + Fit to page C Page view A Read aloud 7.Z ROK CUICUTUTTOTT An investment of $10,000 in new equipment will generate income of $1200 per year for 10 years, starting 3 year from now. The machine can be sold for an estimated $200 at year 13. If the company's MARR is 10% per year, should it buy the machine? F=200 A=1200 0 1 2 3 4 5 P= 10000
isersJayla 20anielle/Appuatay Loca/Packages/MICROSOITMICOsontEdge Swekyb3d8bbwe/TempState/Downloads/CH%20221%20General%20CH - + fit to page D Page view A Read aloud Freezing Point Depression Freezing point AT= mx Kf depression constant Kr(water) = 1.86 °C/m molality Calculate the freezing point of a 1.7 m aqueous ethylene glycol solution
WORLONI ORAINES 20CLONINGENIERO - + Fit to page D Page view TULOZETLUS ) A Read aloud L Add Design forward and reverse primers (21 nucleotides) - amplify the following DNA fragment using Polymerase Chain Reaction (PCR): S'GTACCCGAGGGCTACGCTCATATTACCCTATGCATGCGCCCTACGATC GGTTCCCTAATCTCTGGCTAATCCTCTGCTTATCTTCAACTGGACTTAG CCGATTCGACGGATTAGGGCTTTATCTTACCTAATGGCTACCATTGCGC AGGTGCAGGTTACTACGGCGTTAACGGAGGCCCTTCTAATCTCGGC GCGCGCTTAATTCCGGATCCGGCCTCTC GCCGCTCTCGGAATAATCCT CCATTCTGCATATGCGCGGCTTACTAT. IAGGGTCCCTAGATTTGCTTA TATTACTAATGGGTATAACTATACCTATAGTACCCGGGTATATAGCTA GCT 3' a List down the forward and reverse primers designed. Indicate the 5' and 3' end. (2 marks) b. Using the following formula I'm = (4 *[G+C) + (2 1 + 71°C, estimate the...
2 of 7 Fit to page CD Page view A' Read aloud Add notes P (3 marks) C. The following chart, Figure Q1C (i) shows production steps in a typical sand-casting operation, -- Pattern making Pattern - Core making Gating system Sand Mold Heat treatment i Melting of metal Pouring into mold Solidification and Shakeout and removal of risers and gates Cleaning and Inspection cooling finishing Furnaces Additional Defects heat treatment Pressure tightness Dimensions Figure Q1C (1): Outline of production...
5. Draw the complete stepwise mechanism for the formation of the ylide from the first 2 steps, then draw the complete stepwise mechanism for the Wittig reaction. Must draw all intermediates for full credit. Br 8 PPhz, nBuli
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