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39. b
40. b
41. b
42. d
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Question 38 (2 points) The limiting reactant in a chemical reaction is one that......
Question 47 (2 points) Which one of the following compounds is aromatic? S - II IV...
Question 47 (2 points) Which one of the following compounds is aromatic? S - II IV a) III Ob) Oc) II O d) IV Question 48 (2 points) Predict the product(s) for the following reaction: NaNH2, NH3 NH2 -NH₂ que "NH2 a) I, II and III b) I and II c) III and I d) II and III
thank you!! Question 23 (2 points) Give the net ionic equation (if any) for the reaction...
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Question 23 (2 points) Give the net ionic equation (if any) for the reaction that occurs when aqueous solutions of (NH4)2S and Pb(NO3)2 are mixed. (NH4)2S(aq) + Pb(NO3)2(aq) - a) No correct answer has been given. Ob) Pb2+(aq) + 52 (aq) - PbS(s) O )2 NHA'laq) + 52" (aq) + Pb2+ (aq) + 2NO3(aq) (aq) + 2NO3(aq) Pb(s) + 2NH4 d) 2 NH4+ (aq) + 2NO3(aq) 2 NH4NO3(s) Question 24 (2 points) There are carbon atoms in one...
Question 3 (Mandatory) (5 points) The rate constant of a first-order decomposition reaction is 0.0147 s....
Question 3 (Mandatory) (5 points) The rate constant of a first-order decomposition reaction is 0.0147 s. If the initial concentration of reactant is 0.178 M, what is the concentration of reactant after 30.0 seconds? a) 8.72 x 10 M Ob) 0.0785 M Oc) 0,115 M O d) 0.643 M e) 0.0645 M Question 4 (Mandatory) (5 points) The reaction quotient, . for a system is 1.6 x 104. If the equilibrium constant for the system at some temperature 8.5 x...
Question 11 (2 points) Choose a major product for the reaction below. Cl2/AICI: OCH3 CI OCH3...
Question 11 (2 points) Choose a major product for the reaction below. Cl2/AICI: OCH3 CI OCH3 OCH3 HI OCH3 HI 1 O a) 11 Ob) III O c) I, II and III Od)! Question 12 (2 points) Predict the structure of the major product for the following reaction. CH3CH2CCI Zn (Hg) CHCI AICI NH2 11 III IV O a) IV Ob) III Oc) O d) II
thank you!! Question 9 (2 points) The atomic mass of fluorine is 19.00 amu, and all...
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Question 9 (2 points) The atomic mass of fluorine is 19.00 amu, and all fluorine atoms in a naturally occurring sample of fluorine have this mass. The atomic mass of chlorine is 35.45 amu, but no chlorine atoms in a naturally occurring sample of chlorine have this mass. Provide an explanation for this difference. a) All fluorine atoms have an equal number of protons and neutrons. Ob) There is more than one isotope of chlorine. Oc) Fluorine and...
Question 17 (2 points) Predict the product(s) for the following reaction: NaNH2, NH3 NH2 NH2 "NH₂...
Question 17 (2 points) Predict the product(s) for the following reaction: NaNH2, NH3 NH2 NH2 "NH₂ II III a) I, II and III b) III and I O c) I and II d) II and III Question 18 (2 points) A compound with a molecular formula of C10H1202 has the following 'H NMR spectrum. Which of the following structures is consistent with this spectrum? OCH2CH2CH3 0 CH2CH2CH, II OH OH CH2CH2CH3 CH,CH2CH3 IV a) Ob) OIV d) 1 Question 20...
Question 21 (2 points) Which one of the following dienophiles is least reactive in the Diels-Alder...
Question 21 (2 points) Which one of the following dienophiles is least reactive in the Diels-Alder reaction? OCH ОСН, Нco. IV a) b) III Oc)!! d) IV Question 22 (2 points) Which of the molecules below would be the expected product for the hydrogenation of the following alkene with Na and liq. NH3? Na NH v III IV a) Ob) II Oc) d) v Question 23 (2 points) Identify the final product for the following reaction. 1. BH3, THE 2....
Question 33 (2 points) Provide the best description for an oxymercuration demercuration reaction of an alkene....
Question 33 (2 points) Provide the best description for an oxymercuration demercuration reaction of an alkene. O a) Markovnikov orientation with anti-addition Ob) Anti-Markovnikov orientation with anti-addition Oc) Markovnikov orientation with syn-addition d) Anti-Markovnikov orientation with syn-addition Question 34 (2 points) What is the IUPAC name of the structure below? NO2 F OH a) 1-fluoro-3-iodo-5-hydroxynitrobenzene Ob) 1-fluoro-2-nitro-3-iodo-5-phenol Oc) 3-fluoro-5-iodo-4-nitrophenol d) m-fluoro-m-iodo-p-nitrophenol
hi, viuld you kindly help me with wuestions 4 - 6 please, thank you QUESTION 6...
hi, viuld you kindly help me with wuestions 4 - 6 please,
thank you
QUESTION 6 Determine the equilibrium constant, Kp at 25°C for the following reaction: [△Goxn=-69.7 kJ-mol-1 and R = 8.314/-mork-1] 2 NO(g)O2(g)2 NO2(g) A. 1.65 x 1012 B. 8.28 X 102 °C, 2.60 D. 13.4 Click Save and Submit to save and submit. Click Save All Answers to save all answers. 10 QUESTION 5 Using the data below, calculate Δ Go, the maximum amount of useful work...
Question 3 (2 points) Predict the product(s) of the following reaction. HBr ROOR a) HBr addition...
Question 3 (2 points) Predict the product(s) of the following reaction. HBr ROOR a) HBr addition at the alkene position following Markonikov's rule Ob) H20 addition at the alkene position following Markonikov's rule c) HBr addition at the alkene position following Anti-Markonikov's rule d) H20 addition at the alkene position following Anti-Markonikov's rule Question 4 (2 points) For which of the following compounds will the M+2 peak intensity be equal to the intensity of the molecular ion peak M? a)...
Question 47 (2 points) Which one of the following compounds is aromatic? S - II IV a) III Ob) Oc) II O d) IV Question 48 (2 points) Predict the product(s) for the following reaction: NaNH2, NH3 NH2 -NH₂ que "NH2 a) I, II and III b) I and II c) III and I d) II and III
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Question 23 (2 points) Give the net ionic equation (if any) for the reaction that occurs when aqueous solutions of (NH4)2S and Pb(NO3)2 are mixed. (NH4)2S(aq) + Pb(NO3)2(aq) - a) No correct answer has been given. Ob) Pb2+(aq) + 52 (aq) - PbS(s) O )2 NHA'laq) + 52" (aq) + Pb2+ (aq) + 2NO3(aq) (aq) + 2NO3(aq) Pb(s) + 2NH4 d) 2 NH4+ (aq) + 2NO3(aq) 2 NH4NO3(s) Question 24 (2 points) There are carbon atoms in one...
Question 3 (Mandatory) (5 points) The rate constant of a first-order decomposition reaction is 0.0147 s. If the initial concentration of reactant is 0.178 M, what is the concentration of reactant after 30.0 seconds? a) 8.72 x 10 M Ob) 0.0785 M Oc) 0,115 M O d) 0.643 M e) 0.0645 M Question 4 (Mandatory) (5 points) The reaction quotient, . for a system is 1.6 x 104. If the equilibrium constant for the system at some temperature 8.5 x...
Question 11 (2 points) Choose a major product for the reaction below. Cl2/AICI: OCH3 CI OCH3 OCH3 HI OCH3 HI 1 O a) 11 Ob) III O c) I, II and III Od)! Question 12 (2 points) Predict the structure of the major product for the following reaction. CH3CH2CCI Zn (Hg) CHCI AICI NH2 11 III IV O a) IV Ob) III Oc) O d) II
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Question 9 (2 points) The atomic mass of fluorine is 19.00 amu, and all fluorine atoms in a naturally occurring sample of fluorine have this mass. The atomic mass of chlorine is 35.45 amu, but no chlorine atoms in a naturally occurring sample of chlorine have this mass. Provide an explanation for this difference. a) All fluorine atoms have an equal number of protons and neutrons. Ob) There is more than one isotope of chlorine. Oc) Fluorine and...
Question 17 (2 points) Predict the product(s) for the following reaction: NaNH2, NH3 NH2 NH2 "NH₂ II III a) I, II and III b) III and I O c) I and II d) II and III Question 18 (2 points) A compound with a molecular formula of C10H1202 has the following 'H NMR spectrum. Which of the following structures is consistent with this spectrum? OCH2CH2CH3 0 CH2CH2CH, II OH OH CH2CH2CH3 CH,CH2CH3 IV a) Ob) OIV d) 1 Question 20...
Question 21 (2 points) Which one of the following dienophiles is least reactive in the Diels-Alder reaction? OCH ОСН, Нco. IV a) b) III Oc)!! d) IV Question 22 (2 points) Which of the molecules below would be the expected product for the hydrogenation of the following alkene with Na and liq. NH3? Na NH v III IV a) Ob) II Oc) d) v Question 23 (2 points) Identify the final product for the following reaction. 1. BH3, THE 2....
Question 33 (2 points) Provide the best description for an oxymercuration demercuration reaction of an alkene. O a) Markovnikov orientation with anti-addition Ob) Anti-Markovnikov orientation with anti-addition Oc) Markovnikov orientation with syn-addition d) Anti-Markovnikov orientation with syn-addition Question 34 (2 points) What is the IUPAC name of the structure below? NO2 F OH a) 1-fluoro-3-iodo-5-hydroxynitrobenzene Ob) 1-fluoro-2-nitro-3-iodo-5-phenol Oc) 3-fluoro-5-iodo-4-nitrophenol d) m-fluoro-m-iodo-p-nitrophenol
hi, viuld you kindly help me with wuestions 4 - 6 please,
thank you
QUESTION 6 Determine the equilibrium constant, Kp at 25°C for the following reaction: [△Goxn=-69.7 kJ-mol-1 and R = 8.314/-mork-1] 2 NO(g)O2(g)2 NO2(g) A. 1.65 x 1012 B. 8.28 X 102 °C, 2.60 D. 13.4 Click Save and Submit to save and submit. Click Save All Answers to save all answers. 10 QUESTION 5 Using the data below, calculate Δ Go, the maximum amount of useful work...
Question 3 (2 points) Predict the product(s) of the following reaction. HBr ROOR a) HBr addition at the alkene position following Markonikov's rule Ob) H20 addition at the alkene position following Markonikov's rule c) HBr addition at the alkene position following Anti-Markonikov's rule d) H20 addition at the alkene position following Anti-Markonikov's rule Question 4 (2 points) For which of the following compounds will the M+2 peak intensity be equal to the intensity of the molecular ion peak M? a)...
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