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as an inte (3) 18) Fill in each box with the most stable ENOLATE structure. Which...
3- State which one of the paired structures (A or B) is most stable. "Briefly explain"...
3- State which one of the paired structures (A or B) is most stable. "Briefly explain" your choice, and provide the resultant structures for each compound. In addition, provide the answer wherereguired A BA 4- State whether each structure (AC) will behave as an organic base or as an organic acid. Brieny exelaine your choice, and provide the resultant structures for each compound Note. previde 5- Predict the structure (s ofthe maier mono-substituted product (s) expected from the reactions below....
please help 4. For each pair of structures below circle the most relatively stable one. Show...
please help
4. For each pair of structures below circle the most relatively stable one. Show work by drawing relevant chair structures and/or Newman projections as needed) to clearly illustrate why. It is best practice here that only the most stable conformations for each compound are being compared in each set. For clarity. provide a few words that explain your analysis when comparing the illustrations. (12pts total for this problem) (a) ♡ va ♡ 5. (a) (3pts) Look up trans-decalin...
9. Draw two different chair conformations of cyclohexanol, showing all hydropen atoms. Identify each position as...
9. Draw two different chair conformations of cyclohexanol, showing all hydropen atoms. Identify each position as axial or equatorial 10. Draw the most stable chair conformation of the following molecules, and estimate the amount of strain in each: (a) trans-1-Chloro-3-methylcyclohexane (b) cis-1-Ethyl-2-methylcyclohexane (c) cis-1-Bromo-4-ethylcyclohexane (d) cis-1-tert-Butylcyclohexane 11. Which isomer is more stable, cis-decalin or trans-decalin? Explain. 12. Glucose exists in two forms having a 36:64 ratio at equilibrium. Draw a skeletal structure of each, describe the difference between them and...
A. Which of the following Newman projections would represent the least stable conformer of 2,2,3....
PLEASE HELP WITH ALL.
A. Which of the following Newman projections would represent the least stable conformer of 2,2,3.3-tetramethylbutane, looking down the 2,3 bond? H3C H3C H3C H3C CH3 b) CH3 H3C e) a) c) CH3 H3C CH3 CH CH3 CH о он B. which one of the following compounds would be chiral? Br он о он a) но HO O он HO C C. which of the following could potentially be used to distinguish between enantiomers? b) NMR c)...
1. Fill out the following table by indicating which general technique (light microscopy (LM) or electron...
1. Fill out the following table by indicating which general technique (light microscopy (LM) or electron microscopy [EM]) could be used to observe each structure or phenomenon. Put "no" in the box if the technique could not be used. If light microscopy can be used, name one technique (bright-field, phase-contrast, fluorescence, etc.) that you think would be effective. You will find some useful information in Appendix 1 of this manual and Chapter 18 of your textbook. Structure or phenomenon Could...
E) none of the above 18. Which of the following I. Rate k[base] statement(s) correctly describe(s)...
E) none of the above 18. Which of the following I. Rate k[base] statement(s) correctly describe(s) E1 reactions of alkyl halides (RX)? (1 point) Rate k[baseIRX Rate kIRXI The reaction occurs in two or more distinct steps are sometimes seen Use the following compounds when answering questions 19-26. Assume that Cl CHs < OH CHs CH 8 D 10 19. In the aqueous solvolysis of compound 1, which species is the thermodynamically most stable reactive intermediate? (1 point) Answer 20....
18. Which THREE of the following six statements are true (you get 1/3 for each correct...
18. Which THREE of the following six statements are true (you get 1/3 for each correct answer and minus 1/3 for each incorrect answer): Select one or more: a. GFP was originally found in algae b. GFP binds strongly and specifically to actin c. The original GFP gene has been artificially mutated to produce other colours d. CFP stands for Coral Fluorescent Protein e. Genes such as GFP can replace a native coding sequence to act as a reporter protein...
please explain why the answers are what they are. thank you 18. Which one of these...
please explain why the answers are what they are.
thank you
18. Which one of these molecules does not contain any stereogenic centers? 19. How do the two chemical structures shown in the box below compare to one another? a) They represent the same molecule. b) They are isotopes. (c) They are constitutional isomers. d) They have different chemical formulas. 23. Based on structural characteristics, predict which of these substances has the lowest melting point @woo woo Dance CH 3....
8) (11 pts) a) Write out thc 3-step arrow pushing mechanism showing how cthyl propanoate is...
8) (11 pts) a) Write out thc 3-step arrow pushing mechanism showing how cthyl propanoate is hydrolyzed in the presence of I mole equivalent NaOH to form sodium propanoate and ethanol. b) H/HO also serve to hydrolyze an ester; brielly explain why NaOH HO is generally preferable. 10) (8 pts) Fill in the missing reagents in cach of the following reductions. More than one step may be required. For + racinho HO + NaOH e come to Na + HO...
3. Propose a structure corresponding to the spectral data which are provided. CsH8N203. Put your final...
3. Propose a structure corresponding to the spectral data which are provided. CsH8N203. Put your final answer in the box. Hint: The proton at 10.3 ppm is NOT what you would suspect at that region. There are two coupling constants given for the triplets around 7-8 ppm because they are really distorted doublets of doublets. Explain your answer to receive full credit. Based on your answer you can assign a structure to problem 9 in Part I which is isomeric....
3- State which one of the paired structures (A or B) is most stable. "Briefly explain" your choice, and provide the resultant structures for each compound. In addition, provide the answer wherereguired A BA 4- State whether each structure (AC) will behave as an organic base or as an organic acid. Brieny exelaine your choice, and provide the resultant structures for each compound Note. previde 5- Predict the structure (s ofthe maier mono-substituted product (s) expected from the reactions below....
please help
4. For each pair of structures below circle the most relatively stable one. Show work by drawing relevant chair structures and/or Newman projections as needed) to clearly illustrate why. It is best practice here that only the most stable conformations for each compound are being compared in each set. For clarity. provide a few words that explain your analysis when comparing the illustrations. (12pts total for this problem) (a) ♡ va ♡ 5. (a) (3pts) Look up trans-decalin...
9. Draw two different chair conformations of cyclohexanol, showing all hydropen atoms. Identify each position as axial or equatorial 10. Draw the most stable chair conformation of the following molecules, and estimate the amount of strain in each: (a) trans-1-Chloro-3-methylcyclohexane (b) cis-1-Ethyl-2-methylcyclohexane (c) cis-1-Bromo-4-ethylcyclohexane (d) cis-1-tert-Butylcyclohexane 11. Which isomer is more stable, cis-decalin or trans-decalin? Explain. 12. Glucose exists in two forms having a 36:64 ratio at equilibrium. Draw a skeletal structure of each, describe the difference between them and...
PLEASE HELP WITH ALL.
A. Which of the following Newman projections would represent the least stable conformer of 2,2,3.3-tetramethylbutane, looking down the 2,3 bond? H3C H3C H3C H3C CH3 b) CH3 H3C e) a) c) CH3 H3C CH3 CH CH3 CH о он B. which one of the following compounds would be chiral? Br он о он a) но HO O он HO C C. which of the following could potentially be used to distinguish between enantiomers? b) NMR c)...
1. Fill out the following table by indicating which general technique (light microscopy (LM) or electron microscopy [EM]) could be used to observe each structure or phenomenon. Put "no" in the box if the technique could not be used. If light microscopy can be used, name one technique (bright-field, phase-contrast, fluorescence, etc.) that you think would be effective. You will find some useful information in Appendix 1 of this manual and Chapter 18 of your textbook. Structure or phenomenon Could...
E) none of the above 18. Which of the following I. Rate k[base] statement(s) correctly describe(s) E1 reactions of alkyl halides (RX)? (1 point) Rate k[baseIRX Rate kIRXI The reaction occurs in two or more distinct steps are sometimes seen Use the following compounds when answering questions 19-26. Assume that Cl CHs < OH CHs CH 8 D 10 19. In the aqueous solvolysis of compound 1, which species is the thermodynamically most stable reactive intermediate? (1 point) Answer 20....
please explain why the answers are what they are.
thank you
18. Which one of these molecules does not contain any stereogenic centers? 19. How do the two chemical structures shown in the box below compare to one another? a) They represent the same molecule. b) They are isotopes. (c) They are constitutional isomers. d) They have different chemical formulas. 23. Based on structural characteristics, predict which of these substances has the lowest melting point @woo woo Dance CH 3....
8) (11 pts) a) Write out thc 3-step arrow pushing mechanism showing how cthyl propanoate is hydrolyzed in the presence of I mole equivalent NaOH to form sodium propanoate and ethanol. b) H/HO also serve to hydrolyze an ester; brielly explain why NaOH HO is generally preferable. 10) (8 pts) Fill in the missing reagents in cach of the following reductions. More than one step may be required. For + racinho HO + NaOH e come to Na + HO...
3. Propose a structure corresponding to the spectral data which are provided. CsH8N203. Put your final answer in the box. Hint: The proton at 10.3 ppm is NOT what you would suspect at that region. There are two coupling constants given for the triplets around 7-8 ppm because they are really distorted doublets of doublets. Explain your answer to receive full credit. Based on your answer you can assign a structure to problem 9 in Part I which is isomeric....
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