Homework Answers
CH3OH
is strong acid and equilibrium will shift toward left
Option 1 is correct
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Question 1 8 pts CH,0 Hoc LCH, CH,OH M, EH pka: CH2OH=16, (CH3)2CO=20 What is the...
5. The alcohol CH CH SH has an unusually small pka of approximately 9.4 relative to ethanol, CH CH OH (pka - 16). a...
5. The alcohol CH CH SH has an unusually small pka of approximately 9.4 relative to ethanol, CH CH OH (pka - 16). a. Is CH,CH,SH more or less acidic than ethanol? (2 pts) b. Draw the conjugate base for each and explain the difference in acidity between CH, CH SH and CH CH2OH by analyzing the structures of the conjugate bases. (4 pts) c. Provide an arrow-pushing scheme for the reaction of one mole of CH,CH,SH with one mole...
1) Order the following from least reactive o most CH-8-0-8-CH, -OCHCH, CH-8-a 2) What is the...
1) Order the following from least reactive o most CH-8-0-8-CH, -OCHCH, CH-8-a 2) What is the IUPAC name? CHO CH3-CH=CH-CH-C-OH 3) Which is the strongest acid? CF,CH,COH CF,COH CCI,COH 4) What is the product of this reaction? (CH3),CHCH_Li-2.990 Ft 5) What is the missing reagent? W CH OH ~ CO,H 6) What is the product? CH,CH, Mgr 7) What is the product of the following reaction? CH,-&- COMME 8) Draw the structure of a 4 carbon containing lactone. 9) Provide...
Question 10 Which of the following statements is FALSE? Resonance forms must obey normal valency rules....
Question 10 Which of the following statements is FALSE? Resonance forms must obey normal valency rules. Resonance is a fast equilibrium between two species. Resonance forms represent the extremes of something that really exists in between. Resonance forms differ in their arrangement of electrons only. Question 9 What is the formal charge of the nitrogen in the molecule shown below? N-H O-1 O-2 O +1 Question 8 2 pts Consider the following acid base reaction: OH CH,00 CH3OH pka =...
1) Order the following from least reactive o most | ca, -o--CH, CH --CH-CH, CH3-8-a 2) What is the IUPAC name? CH,...
1) Order the following from least reactive o most | ca, -o--CH, CH --CH-CH, CH3-8-a 2) What is the IUPAC name? CH, . CH3-CH=CH-CH-C-OH 3) Which is the strongest acid? CF,CH.CH CECOH cc.,ČOH 4) What is the product of this reaction? (CH3),CHCH,Li 2.490. 5) What is the missing reagent? CH,он л соно 6) What is the product? CH,CH-MgBr 7) What is the product of the following reaction? CH,-6-g ĐH,CH,NH, . 8) Draw the structure of a 4 carbon containing lactone....
question 7 8 9 10 11 12 (7) Use HSAB theory to predict the following reactions...
question 7 8 9 10 11 12
(7) Use HSAB theory to predict the following reactions will go or not go (a) CH3-CH3 + H2O → CH,OH+CH (AH = 12 kcal/mol) (b) CH3COCH3 + H2O → CH3COOH + CH, (AH--13 kcal/mol ) (6%) (8) Predict the order of solubility: (9%) (a) MgSO4, CaSO4, SISOs, and Baso. (c) AgF, AgCl, AgBr, and Ag! (b) PbCI, PbBry, and Pbi! (9) List the following acids in order of acid strength in aqueous solution:...
Question 5 (1 point) Saved What arrow correctly identifies a peptide bond? LED H2N -CH-CJN-CH-C-R-CHCN-CH-8 CH-OH...
Question 5 (1 point) Saved What arrow correctly identifies a peptide bond? LED H2N -CH-CJN-CH-C-R-CHCN-CH-8 CH-OH - CH₂ CH3 Question 4 (1 point) Identify all the amino acids that can be produced using the three letter designation (Use your textbook). HN-CH-C-N-CH-C-N-CH-C-N-CH-C CH-OH CH, 0 0 Al...Gly...-Cys...-Ser Gly.-.-Ala----Glu ---Met Glu----Ala----Thr----Cys Ala-Gly-Thr-Tyr 0 0 Question 3 (1 point) Use the three letter designation for the amino acids to write the tetrapeptide order: HN-CH-C-N-CH-C-N-CH-C-N-CH-C 525-5 Ala...Gly...Cys-..-Ser Gly....Ala---- Glu---- Met Glu---- Ala...-Thr-Cys OCys...-Ala----Gly-Ser Question...
HO CH сн. CH2 нс HC CH3 HAC-HC CH CH CH CH d) OH OH 13....
HO CH сн. CH2 нс HC CH3 HAC-HC CH CH CH CH d) OH OH 13. The labels have fallen off three bottles. Bottle A contains a gas, bottle B contains a liquid, and bottle C contains a solid. The labels indicate that the compounds have the same number of carbon atoms, one being an alkane, one an alcohol, and the other a carboxylic acid. Suggest the identity of the contents of each bottle, and give reasons for your explanation...
i dont know how to do this question can someone help me Highlight Rotate M OH...
i dont know how to do this question can someone help me
Highlight Rotate M OH (8 pts Total) Answer the following questions about p-methoxybenzoic acid. a. On the structure to the right, use letters to label and indicate chemically equivalent and distinct hydrogens. Be sure to label each hydrogen. (3 pts) O-CH3 b. Calculate the estimated chemical shift of the hydrogen at the position indicated by the arrow using the table at the beginning of this exam. Show and...
CH,OH)02 [CO2]2(H20] c. Qc 19. A is a proton donor. a. Bronsted Base b. Bronsted Acid...
CH,OH)02 [CO2]2(H20] c. Qc 19. A is a proton donor. a. Bronsted Base b. Bronsted Acid c. Conjugate base d. Polymor 20. In order for a substance to act as a Bronst a. at least one double bond. b. at least one H* to donate. C. at least one single bond. d. at least one lone pair of electrons. 16. The Gibhbs energy for the reaction beiow is CH ( 50(p-3C0p-4no a. 0 b. -2108 kJmol c. -608.1 kmol d....
1. (6 pts total; 2 pts each) Proteins that catalyze chemical reactions in living systems are...
1. (6 pts total; 2 pts each) Proteins that catalyze chemical reactions in living systems are called enzymes. The basic building blocks of proteins are called amino acids and have the general structure pictured below, left, where R is a substituent containing one of many organic functional groups. Some representative examples of amino acids found in nature are pictured here as well (R groups only) сн. н 0:00 HO-C-H. HỌC-C-CH, CH,SH H-C-H H2N -CO,H H An Amino Acid Threonine Valine...
5. The alcohol CH CH SH has an unusually small pka of approximately 9.4 relative to ethanol, CH CH OH (pka - 16). a. Is CH,CH,SH more or less acidic than ethanol? (2 pts) b. Draw the conjugate base for each and explain the difference in acidity between CH, CH SH and CH CH2OH by analyzing the structures of the conjugate bases. (4 pts) c. Provide an arrow-pushing scheme for the reaction of one mole of CH,CH,SH with one mole...
1) Order the following from least reactive o most CH-8-0-8-CH, -OCHCH, CH-8-a 2) What is the IUPAC name? CHO CH3-CH=CH-CH-C-OH 3) Which is the strongest acid? CF,CH,COH CF,COH CCI,COH 4) What is the product of this reaction? (CH3),CHCH_Li-2.990 Ft 5) What is the missing reagent? W CH OH ~ CO,H 6) What is the product? CH,CH, Mgr 7) What is the product of the following reaction? CH,-&- COMME 8) Draw the structure of a 4 carbon containing lactone. 9) Provide...
Question 10 Which of the following statements is FALSE? Resonance forms must obey normal valency rules. Resonance is a fast equilibrium between two species. Resonance forms represent the extremes of something that really exists in between. Resonance forms differ in their arrangement of electrons only. Question 9 What is the formal charge of the nitrogen in the molecule shown below? N-H O-1 O-2 O +1 Question 8 2 pts Consider the following acid base reaction: OH CH,00 CH3OH pka =...
1) Order the following from least reactive o most | ca, -o--CH, CH --CH-CH, CH3-8-a 2) What is the IUPAC name? CH, . CH3-CH=CH-CH-C-OH 3) Which is the strongest acid? CF,CH.CH CECOH cc.,ČOH 4) What is the product of this reaction? (CH3),CHCH,Li 2.490. 5) What is the missing reagent? CH,он л соно 6) What is the product? CH,CH-MgBr 7) What is the product of the following reaction? CH,-6-g ĐH,CH,NH, . 8) Draw the structure of a 4 carbon containing lactone....
question 7 8 9 10 11 12
(7) Use HSAB theory to predict the following reactions will go or not go (a) CH3-CH3 + H2O → CH,OH+CH (AH = 12 kcal/mol) (b) CH3COCH3 + H2O → CH3COOH + CH, (AH--13 kcal/mol ) (6%) (8) Predict the order of solubility: (9%) (a) MgSO4, CaSO4, SISOs, and Baso. (c) AgF, AgCl, AgBr, and Ag! (b) PbCI, PbBry, and Pbi! (9) List the following acids in order of acid strength in aqueous solution:...
Question 5 (1 point) Saved What arrow correctly identifies a peptide bond? LED H2N -CH-CJN-CH-C-R-CHCN-CH-8 CH-OH - CH₂ CH3 Question 4 (1 point) Identify all the amino acids that can be produced using the three letter designation (Use your textbook). HN-CH-C-N-CH-C-N-CH-C-N-CH-C CH-OH CH, 0 0 Al...Gly...-Cys...-Ser Gly.-.-Ala----Glu ---Met Glu----Ala----Thr----Cys Ala-Gly-Thr-Tyr 0 0 Question 3 (1 point) Use the three letter designation for the amino acids to write the tetrapeptide order: HN-CH-C-N-CH-C-N-CH-C-N-CH-C 525-5 Ala...Gly...Cys-..-Ser Gly....Ala---- Glu---- Met Glu---- Ala...-Thr-Cys OCys...-Ala----Gly-Ser Question...
HO CH сн. CH2 нс HC CH3 HAC-HC CH CH CH CH d) OH OH 13. The labels have fallen off three bottles. Bottle A contains a gas, bottle B contains a liquid, and bottle C contains a solid. The labels indicate that the compounds have the same number of carbon atoms, one being an alkane, one an alcohol, and the other a carboxylic acid. Suggest the identity of the contents of each bottle, and give reasons for your explanation...
i dont know how to do this question can someone help me
Highlight Rotate M OH (8 pts Total) Answer the following questions about p-methoxybenzoic acid. a. On the structure to the right, use letters to label and indicate chemically equivalent and distinct hydrogens. Be sure to label each hydrogen. (3 pts) O-CH3 b. Calculate the estimated chemical shift of the hydrogen at the position indicated by the arrow using the table at the beginning of this exam. Show and...
CH,OH)02 [CO2]2(H20] c. Qc 19. A is a proton donor. a. Bronsted Base b. Bronsted Acid c. Conjugate base d. Polymor 20. In order for a substance to act as a Bronst a. at least one double bond. b. at least one H* to donate. C. at least one single bond. d. at least one lone pair of electrons. 16. The Gibhbs energy for the reaction beiow is CH ( 50(p-3C0p-4no a. 0 b. -2108 kJmol c. -608.1 kmol d....
1. (6 pts total; 2 pts each) Proteins that catalyze chemical reactions in living systems are called enzymes. The basic building blocks of proteins are called amino acids and have the general structure pictured below, left, where R is a substituent containing one of many organic functional groups. Some representative examples of amino acids found in nature are pictured here as well (R groups only) сн. н 0:00 HO-C-H. HỌC-C-CH, CH,SH H-C-H H2N -CO,H H An Amino Acid Threonine Valine...
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