Homework Answers
A graduated cylinder can measure up to an accuracy of 0.01ml .
Round bottom flask is used for heating purposes because the reaction mixture is uniformly heated in round bottom flask and neck is there to clamp the flask .
Accurately deliver 30.00ml of solution = B (Answer)
Heat a reaction mixture on a hot plate = E (Answer)
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Which of the following pieces of glassware would be best to choose for the following tasks? For och wk, led either A...
1. Identify which pieces(s) of glassware could be used in the following lab scenarios. a. Measuring...
1. Identify which pieces(s) of glassware could be used in the following lab scenarios. a. Measuring 25.00 mL of a solution b. Heating a mixture on a hot plate c. Preparing a solution of a specific concentration d. Slowly adding small variable volumes of solution e. Mixing solutions
8 (7 pts) Which of the following pieces of glassware is best used for the process...
8 (7 pts) Which of the following pieces of glassware is best used for the process known as gravity filtration? Circle the BEST answer. 9. (12 pts) Owing to their structural similarity, separation of mixtures of organic compounds (such as the isomers 2-t-butyl-, 3-t-butyl-, and 4-t-butylcyclohexene) often proves difficult. Silica gel chromatography, however, can be used with some success provided that sufficient silica gel is used to provide optimal separation. Consider the TLC plate pictured at right after developing and...
Please choose the best answer for the following. What is the major organic product obtained from...
Please choose the best answer for the following.
What is the major organic product obtained from the following reaction? HCN, KCN ethanol, H2SO4, H20 water heat NH2 al 6.2 c. 3 d.4 Which of the following best describes the key mechanistic steps in the reaction of an acid chloride and an alcohol to form an ester? a. elimination followed by addition b. substitution followed by addition C. addition followed by elimination d. addition followed by decarboxylation
explanation please including the diagrams that led to your answer 5. Which of the following best...
explanation please including the diagrams that led to your
answer
5. Which of the following best describes the relationship between the two structures illustrated below? a) They are identical compounds CN b) They are enantiomers OH c) They are diastereomers NC- d) They are constitutional isomers OH
Which of the following pieces of information would be allowed as part of a limited data...
Which of the following pieces of information would be allowed as part of a limited data set? A. Email address B. Social Security number C. Phone number D. Birth date
Which of the following best describes the classical description of matter? a. All pieces of matter...
Which of the following best describes the classical description of matter? a. All pieces of matter have characteristics of both waves and particles. b. Knowing the position of a particle exactly means that we know nothing about its momentum. c. We can predict a probable trajectory for a ball thrown into the air, but we cannot predict the exact trajectory. d. Energies and motions are continuous and predictable.
which products would be obtained by 40. Select he best synthesis of Which of the following...
which products would be obtained by
40. Select he best synthesis of Which of the following compounds will not undergo nucleophilic aromatic substitution? 44. a. 1-chioro-2,4 dinitrobenzene сснз m-chloronitrobenzene (CHshCCI CH,CCI 41. Provide the reagentís) necessary to AICI3 oluene to AICI, benzoic acid. b. NBS, heat d.1.COz 2, но. Provide the structure of the major product(s) for the CH CCI AICİ3 Benzene b) AICI 3 42. (CH3)2C CH2 HF following reaction. Benzene AICly 45. Which of the following would be...
Choose the best reagent for carrying out the following reactions from the list below. Place the...
Choose the best reagent for carrying out the following reactions from the list below. Place the letter of the reagent(s) in the box over the reaction arrow. Use only one letter per box 22. 23 OH 24 OH CH, CH CH OH 25 26 CH, OCH A. warm H,SOH,O C. NaCH, CH,OH E. PCC, CH,CI, B. m-CICH,CO,H D. CH,MgBr in ether, then H,O
please help in all sections asap!! Which of the following reactions would produce isopropylbenzene as the...
please help in all sections asap!!
Which of the following reactions would produce isopropylbenzene as the major product? ОН AICI: H2SO4 H2SO4 AICI3 IV I all of these Predict the product for the following reaction fuming H2SO4 SO3H Predict the structure of the major product for the following reaction Which of the following compounds will not undergo nucleophilic aromatic substitution? 1-chloro-2,4-dinitrobenzene 1-bromo-4-nitrobenzene O-chloronitrobenzene m-chloronitrobenzene p-chloronitrobenzene Choose the correct sequence of reagents for the following transformation. 2) 3 . NH2 2)...
Name MULTIPLE CHOICE. Choose the one als HOICL Choose the one alternative that best completes the...
Name MULTIPLE CHOICE. Choose the one als HOICL Choose the one alternative that best completes the statement or answer the questio 1) A reaction in which a substance reacts with oxygen, emitting heat and forming oxygen-containing compounds is an example of an): A) combustion reaction B) gas evolution reaction C) precipitation reaction. D) acid-base reaction E) none of the above 2) What are the coefficients for the following reaction when it is properly balanced? _HCl+_Mg _MgCl2+_H2 A) 1.2.1/21 B) 2,1,2,2...
8 (7 pts) Which of the following pieces of glassware is best used for the process known as gravity filtration? Circle the BEST answer. 9. (12 pts) Owing to their structural similarity, separation of mixtures of organic compounds (such as the isomers 2-t-butyl-, 3-t-butyl-, and 4-t-butylcyclohexene) often proves difficult. Silica gel chromatography, however, can be used with some success provided that sufficient silica gel is used to provide optimal separation. Consider the TLC plate pictured at right after developing and...
Please choose the best answer for the following.
What is the major organic product obtained from the following reaction? HCN, KCN ethanol, H2SO4, H20 water heat NH2 al 6.2 c. 3 d.4 Which of the following best describes the key mechanistic steps in the reaction of an acid chloride and an alcohol to form an ester? a. elimination followed by addition b. substitution followed by addition C. addition followed by elimination d. addition followed by decarboxylation
explanation please including the diagrams that led to your
answer
5. Which of the following best describes the relationship between the two structures illustrated below? a) They are identical compounds CN b) They are enantiomers OH c) They are diastereomers NC- d) They are constitutional isomers OH
which products would be obtained by
40. Select he best synthesis of Which of the following compounds will not undergo nucleophilic aromatic substitution? 44. a. 1-chioro-2,4 dinitrobenzene сснз m-chloronitrobenzene (CHshCCI CH,CCI 41. Provide the reagentís) necessary to AICI3 oluene to AICI, benzoic acid. b. NBS, heat d.1.COz 2, но. Provide the structure of the major product(s) for the CH CCI AICİ3 Benzene b) AICI 3 42. (CH3)2C CH2 HF following reaction. Benzene AICly 45. Which of the following would be...
Choose the best reagent for carrying out the following reactions from the list below. Place the letter of the reagent(s) in the box over the reaction arrow. Use only one letter per box 22. 23 OH 24 OH CH, CH CH OH 25 26 CH, OCH A. warm H,SOH,O C. NaCH, CH,OH E. PCC, CH,CI, B. m-CICH,CO,H D. CH,MgBr in ether, then H,O
please help in all sections asap!!
Which of the following reactions would produce isopropylbenzene as the major product? ОН AICI: H2SO4 H2SO4 AICI3 IV I all of these Predict the product for the following reaction fuming H2SO4 SO3H Predict the structure of the major product for the following reaction Which of the following compounds will not undergo nucleophilic aromatic substitution? 1-chloro-2,4-dinitrobenzene 1-bromo-4-nitrobenzene O-chloronitrobenzene m-chloronitrobenzene p-chloronitrobenzene Choose the correct sequence of reagents for the following transformation. 2) 3 . NH2 2)...
Name MULTIPLE CHOICE. Choose the one als HOICL Choose the one alternative that best completes the statement or answer the questio 1) A reaction in which a substance reacts with oxygen, emitting heat and forming oxygen-containing compounds is an example of an): A) combustion reaction B) gas evolution reaction C) precipitation reaction. D) acid-base reaction E) none of the above 2) What are the coefficients for the following reaction when it is properly balanced? _HCl+_Mg _MgCl2+_H2 A) 1.2.1/21 B) 2,1,2,2...
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