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1969 18course id- 192985 1 A Which of the following...
Which of the following statements is true about the compounds BH3, BF3, NH3, and HCI? Select...
Which of the following statements is true about the compounds BH3, BF3, NH3, and HCI? Select one: O a. Only HCl is a Brønsted-Lowry acid. O b. All of them are Brønsted-Lowry bases. O c. BF3, NH3 and HCl are Brønsted-Lowry bases. O d. BH3 and BF3 are Brønsted-Lowry acids. o e. All of them are Brønsted-Lowry acids.
urse assessment id 51538 18course id 13112 18content id 108322 Remaining Time: 1 hour, 25 minutes,...
urse assessment id 51538 18course id 13112 18content id 108322 Remaining Time: 1 hour, 25 minutes, 35 seconds. Question Completion Status: QUESTION 14 During the "fight or flight" response, which of the following neurotransmitters would you expect to find in the highest concentration in the blood? a. Acetylcholine Dopamine Epinephrine d. Phenylephrine e. Glutamate b C. QUESTION 15 the rough, thick, leathery meningeal layer is the: a. Arachnoid b. Dura mater c. Pia mater d. Subacrachnoid
Question 8 (a) Explain which of the following compounds, A or B, would be a stronger...
Question 8 (a) Explain which of the following compounds, A or B, would be a stronger acid. ОН OH Compound A Compound B (6 marks) (b) Explain which of the following compounds, C or D, would be a stronger base. INH Compound C Compound D (4 marks)
1) Predict relative acidity. Rank in order of increasing acidity (be able to explain): a) CH3CH2SO3H,...
1) Predict relative acidity. Rank in order of increasing acidity (be able to explain): a) CH3CH2SO3H, b) CH3CHClCO2H, c) CH3CH2OH, d) ClCH2CH2CO2H, e) CH3CH2CO2H 2) Predict relative acidity. Rank the following in order in increasing acidity: NH3, H2SO4, CH3OH, CH3CO2H, H3O+, H2O Hint: think of what would produce the most stable species after deprotonation. A good acid would gladly lose a proton (to form a stable conjugate base). 3) Predict relative basicity. Rank the following in order in increasing basicity:...
1. Which of the following is NOT acidic? A. Lemons B. Lye C. Vinegar D. Soda...
1. Which of the following is NOT acidic? A. Lemons B. Lye C. Vinegar D. Soda 2. What is the proper name for HNO3? A. Nitrate acid B. Nitric acid C. Nitrous acid D. Hydronitric acid 3. The conjugate acid and base of the ion, H2PO4, are: Conjugate Acid Conjugate Base H30+ OH H30+ PO43- H3PO4 HPO42- H3PO4 PO43- Love 4. What is the H+ concentration in a solution with a pol of 10.25? A. 5.6 x 103 M B....
1-10 Name: Total 100 pts (25X4 pts) 1) Which of the following is the best name...
1-10
Name: Total 100 pts (25X4 pts) 1) Which of the following is the best name for the following compound? A) 1,2-Dichloropentanal )1-Chloro-1-butanecarbonyl chloride C) 2-Chloropentanoyl D) 1-Chloropentanoyl chloride 2) Which of the following is the best name for the following compound? 0 a) tsobutyl ethanoate d) Ethoxy isobutyl ketone b) Ethyl isopropanoate c) 3-methylbutyl ethanoate e) Ethyl 3-methylbutanoate 3) Which compound would have highest pKa? E) D) B) A) 4) Which of the following would be the strongest acid?...
Can you please explain the details of how it’s solved and show the steps clearly? Also...
Can you please explain the details of how it’s solved and
show the steps clearly? Also please circle the answer for all of
these questions. Any help would be greatly appreciated! Thank you
so much!
4. (25 points) Short answer questions on acidity and basicity. (4 points) Indicate whether the following salts act like acidic salts (AS), neutral salts (NS) or basic salts (BS) in pure water at 298 K a. MnSO4 RbNO NaHCO3 NH OOCCH iv. (8 points) For...
Which of the following compounds is a Lewis acid? In terms of acid strength, HNO2 is...
Which of the following compounds is a Lewis acid? In terms of acid strength, HNO2 is stronger than HF, which stronger than HC2H3O2, which is stronger than HClO. Which of the following statements is correct? (Select all that apply, more than one choice can be correct) a. F- is a stronger base than ClO- b. C2H3O2- is a stronger base than F- c. ClO- is a stronger base than NO2- d. C2H3O2- is a stronger base than ClO- e. NO2-...
Need number 2 and number 4 a and b answered The following compounds are drawn in...
Need number 2 and number 4 a and b answered
The following compounds are drawn in their acidic forms, and their pK, values are given. Draw the form in which each compound will predominate in a solution with pH 8. CH COOH pka 4.8 CH CH2OH pKa = 15.9 CH OH pKa =-2.5 CH,CH2NH pka 11.2 a. What is the conjugate base of NH? A b. What is the conjugate base of H 0? c. What is the conjugate acid...
All of the following nonosaccharldes are optically active. Which one, on reductrion with H_2/Pd, gives a...
All of the following nonosaccharldes are optically active. Which one, on reductrion with H_2/Pd, gives a product that is not optically active? Which bond has the greatest polarity? C-O C-N C"C C-S C-H Arrange the following compounds in order of increasing boiling points (lowest to highest). CH_3CH_2OH CH_3OCH_2CH_3 CH_3CH_2CH_3 A, B, C A, C, B C, A, B B, C, A C, B, A Ethanol, CH_3CH_2OH, has an unusually high boiling point and is soluble in water in all proportions....
Which of the following statements is true about the compounds BH3, BF3, NH3, and HCI? Select one: O a. Only HCl is a Brønsted-Lowry acid. O b. All of them are Brønsted-Lowry bases. O c. BF3, NH3 and HCl are Brønsted-Lowry bases. O d. BH3 and BF3 are Brønsted-Lowry acids. o e. All of them are Brønsted-Lowry acids.
urse assessment id 51538 18course id 13112 18content id 108322 Remaining Time: 1 hour, 25 minutes, 35 seconds. Question Completion Status: QUESTION 14 During the "fight or flight" response, which of the following neurotransmitters would you expect to find in the highest concentration in the blood? a. Acetylcholine Dopamine Epinephrine d. Phenylephrine e. Glutamate b C. QUESTION 15 the rough, thick, leathery meningeal layer is the: a. Arachnoid b. Dura mater c. Pia mater d. Subacrachnoid
Question 8 (a) Explain which of the following compounds, A or B, would be a stronger acid. ОН OH Compound A Compound B (6 marks) (b) Explain which of the following compounds, C or D, would be a stronger base. INH Compound C Compound D (4 marks)
1. Which of the following is NOT acidic? A. Lemons B. Lye C. Vinegar D. Soda 2. What is the proper name for HNO3? A. Nitrate acid B. Nitric acid C. Nitrous acid D. Hydronitric acid 3. The conjugate acid and base of the ion, H2PO4, are: Conjugate Acid Conjugate Base H30+ OH H30+ PO43- H3PO4 HPO42- H3PO4 PO43- Love 4. What is the H+ concentration in a solution with a pol of 10.25? A. 5.6 x 103 M B....
1-10
Name: Total 100 pts (25X4 pts) 1) Which of the following is the best name for the following compound? A) 1,2-Dichloropentanal )1-Chloro-1-butanecarbonyl chloride C) 2-Chloropentanoyl D) 1-Chloropentanoyl chloride 2) Which of the following is the best name for the following compound? 0 a) tsobutyl ethanoate d) Ethoxy isobutyl ketone b) Ethyl isopropanoate c) 3-methylbutyl ethanoate e) Ethyl 3-methylbutanoate 3) Which compound would have highest pKa? E) D) B) A) 4) Which of the following would be the strongest acid?...
Can you please explain the details of how it’s solved and
show the steps clearly? Also please circle the answer for all of
these questions. Any help would be greatly appreciated! Thank you
so much!
4. (25 points) Short answer questions on acidity and basicity. (4 points) Indicate whether the following salts act like acidic salts (AS), neutral salts (NS) or basic salts (BS) in pure water at 298 K a. MnSO4 RbNO NaHCO3 NH OOCCH iv. (8 points) For...
Need number 2 and number 4 a and b answered
The following compounds are drawn in their acidic forms, and their pK, values are given. Draw the form in which each compound will predominate in a solution with pH 8. CH COOH pka 4.8 CH CH2OH pKa = 15.9 CH OH pKa =-2.5 CH,CH2NH pka 11.2 a. What is the conjugate base of NH? A b. What is the conjugate base of H 0? c. What is the conjugate acid...
All of the following nonosaccharldes are optically active. Which one, on reductrion with H_2/Pd, gives a product that is not optically active? Which bond has the greatest polarity? C-O C-N C"C C-S C-H Arrange the following compounds in order of increasing boiling points (lowest to highest). CH_3CH_2OH CH_3OCH_2CH_3 CH_3CH_2CH_3 A, B, C A, C, B C, A, B B, C, A C, B, A Ethanol, CH_3CH_2OH, has an unusually high boiling point and is soluble in water in all proportions....
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