5. Which compound is the strongest base? Also explain why others are not?
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5. Which compound is the strongest base? Also explain why others
are not?
Consider this proton...
I need some help to answer these following questions. Thanks. 66. Which molecule is the strongest base? O-CH3 H2N Cl H2 What is the order of increasing reactivity in an SN1 reaction for these compoun...
I need some help to answer these following questions.
Thanks.
66. Which molecule is the strongest base? O-CH3 H2N Cl H2 What is the order of increasing reactivity in an SN1 reaction for these compounds? 67. Br Br Br I < 11 < 111 (C) 68. What is the starting material for this reaction? NH3, H+ NaBH3CN NH2 он COCI согн Which compound will be protonated to the greatest extent in 1.0 x 10-3 mol/L aqueous HC1? 69. NH 2...
Supplemental Questions - Titration Lab 4. Explain why the initial pH is not the same for...
Supplemental Questions - Titration Lab 4. Explain why the initial pH is not the same for all the acids while it is nearly the same when the titration has been carried a few ml. past the final equivalence point. Your answer should include appropriate proton transfer NIE(s). 5. The buffer range for a given weak acid/conjugate base pair is pk, 1 Explain why 6. A weak triprotic acid, H.Z has the following K, values: K -1.4 x 104 K.9.7 x...
please answer number 5 and 6 5. The buffer range for a given weak acid/conjugate base pair is pK, 11. Explain why. 6...
please answer number 5 and 6
5. The buffer range for a given weak acid/conjugate base pair is pK, 11. Explain why. 6. A weak triprotic acid, HZZ has the following K, values: Ki = 1.4 x 104 K = 9.7 x 10-7 K 5.3 x 109 a. Write the NIE associated with each Ka value. b. Of the four weak acid species: H.Z, H,Z, HZz"; which two could be used to prepare a buffer of pH = 3.55? Explain....
Multiple Choice (5 points each, 30 points total). Circle the one BEST answer for each problem....
Multiple Choice (5 points each, 30 points total). Circle the one BEST answer for each problem. 1. Which of the following tertiary alcohols cannot be prepared using the reaction of an ester with excess (2 equivalents) Grignard reagent? . Which of the following esters undergoes hydrolysis in basic conditions (saponification) most readily? . Which compound will be essentially unreactive with excess 1-butanol in acid-catalyzed conditions (upon moderate heating if required)? . Which of the following is the best method for...
plz answer all multiple choice questions fastttttt and thank youuu art (10) Answer at least 6...
plz answer all multiple choice questions
fastttttt and thank youuu
art (10) Answer at least 6 of the following 10 questions. You may answer extra questions, but a 2 point deduction will be asso ich extra incorrect answer. For those questions marked with an asterisk, a correct rank will earn you a 5 point bons. If you don't kn structure that is named you may buy it for a lpt deduction For questions marked with a sign a 3 point...
61.8% Tools F 8. Sign 0.1 molar NH4Cl solution 20. Identify the acid and base which...
61.8% Tools F 8. Sign 0.1 molar NH4Cl solution 20. Identify the acid and base which reacted to form NH CI Identify each as strong or weak. Acid: Strength: Base: Strength 21. Calculate the theoretical pH of the solution. Show your work. If appropriate, write out the hydrolysis reaction equation. 22. Calculate the theoretical Kh value. 23. Measure the pH of the aqueous solution and determine the expenmental K. Show your work. pH of solution Experimental K. 24. How does...
i want answer to all questions please Answer: 29) Consider the following generalized buffer solution equilibrium: When a small amount of a strong base such as sodium hydroxide is added to the so...
i want answer to all questions please
Answer: 29) Consider the following generalized buffer solution equilibrium: When a small amount of a strong base such as sodium hydroxide is added to the solution, which of the four species shown would experience an increase in concentration? A) BH B)H C) HO D)B E None of the species would increase in concentration. Answer: ( 30) What is true about a solution whose pH is less than 7 at 25°C? A) It has...
can someone help me answer these 5 questions and figire this graph out please? Acid-Base Titration...
can
someone help me answer these 5 questions and figire this graph out
please?
Acid-Base Titration of a Weak Acid with a Strong Base: Determination of K. Introduction: You will be titrating a solution of a weak acid with 0.100 M NaOH, while monitoring the reaction using a pH meter. Weak acids have characteristic acid-ionization constants, K. The purpose of this lab is to use the titration to determine the value of this constant for the weak acid called “benzoic...
the table for problem 5 is attached S. Consider the weak acids in Table 13.2. Which...
the table for problem 5 is attached
S. Consider the weak acids in Table 13.2. Which acid-base pair would be best for a buffer at a pH of: a) 3.5 b) 7.3 c) 10.0 To make a buffer with pH 3.0 from HCHO2 and CHO2: a) what must the [HCHO2]/[CHO2] ratio be? 6. ep b) how many moles of HCHO2 must be added to a liter of 0.139 M NaCHO2 to give this pH? c) how many grams of NaCHO2...
Can you please answer all my questions please. I really need the answers to all the...
Can you please answer all my questions please. I
really need the answers to all the questions please
ORC221F/101/3/2019 48. Which of the following statements about benzene is INCORRECT? (1) All twelve atoms do not lie in the same plane (2) All the carbon atoms are sp2 hybridized (3) The C-H bonds are all the same length (4) The electrophilic aromatic substitution reaction is a common reaction type 49. Name the following compound according to the IUPAC nomenclature. (1) N-ethyl-2-bromo-2-methyl-2-pentanamine...
I need some help to answer these following questions.
Thanks.
66. Which molecule is the strongest base? O-CH3 H2N Cl H2 What is the order of increasing reactivity in an SN1 reaction for these compounds? 67. Br Br Br I < 11 < 111 (C) 68. What is the starting material for this reaction? NH3, H+ NaBH3CN NH2 он COCI согн Which compound will be protonated to the greatest extent in 1.0 x 10-3 mol/L aqueous HC1? 69. NH 2...
Supplemental Questions - Titration Lab 4. Explain why the initial pH is not the same for all the acids while it is nearly the same when the titration has been carried a few ml. past the final equivalence point. Your answer should include appropriate proton transfer NIE(s). 5. The buffer range for a given weak acid/conjugate base pair is pk, 1 Explain why 6. A weak triprotic acid, H.Z has the following K, values: K -1.4 x 104 K.9.7 x...
please answer number 5 and 6
5. The buffer range for a given weak acid/conjugate base pair is pK, 11. Explain why. 6. A weak triprotic acid, HZZ has the following K, values: Ki = 1.4 x 104 K = 9.7 x 10-7 K 5.3 x 109 a. Write the NIE associated with each Ka value. b. Of the four weak acid species: H.Z, H,Z, HZz"; which two could be used to prepare a buffer of pH = 3.55? Explain....
Multiple Choice (5 points each, 30 points total). Circle the one BEST answer for each problem. 1. Which of the following tertiary alcohols cannot be prepared using the reaction of an ester with excess (2 equivalents) Grignard reagent? . Which of the following esters undergoes hydrolysis in basic conditions (saponification) most readily? . Which compound will be essentially unreactive with excess 1-butanol in acid-catalyzed conditions (upon moderate heating if required)? . Which of the following is the best method for...
plz answer all multiple choice questions
fastttttt and thank youuu
art (10) Answer at least 6 of the following 10 questions. You may answer extra questions, but a 2 point deduction will be asso ich extra incorrect answer. For those questions marked with an asterisk, a correct rank will earn you a 5 point bons. If you don't kn structure that is named you may buy it for a lpt deduction For questions marked with a sign a 3 point...
61.8% Tools F 8. Sign 0.1 molar NH4Cl solution 20. Identify the acid and base which reacted to form NH CI Identify each as strong or weak. Acid: Strength: Base: Strength 21. Calculate the theoretical pH of the solution. Show your work. If appropriate, write out the hydrolysis reaction equation. 22. Calculate the theoretical Kh value. 23. Measure the pH of the aqueous solution and determine the expenmental K. Show your work. pH of solution Experimental K. 24. How does...
i want answer to all questions please
Answer: 29) Consider the following generalized buffer solution equilibrium: When a small amount of a strong base such as sodium hydroxide is added to the solution, which of the four species shown would experience an increase in concentration? A) BH B)H C) HO D)B E None of the species would increase in concentration. Answer: ( 30) What is true about a solution whose pH is less than 7 at 25°C? A) It has...
can
someone help me answer these 5 questions and figire this graph out
please?
Acid-Base Titration of a Weak Acid with a Strong Base: Determination of K. Introduction: You will be titrating a solution of a weak acid with 0.100 M NaOH, while monitoring the reaction using a pH meter. Weak acids have characteristic acid-ionization constants, K. The purpose of this lab is to use the titration to determine the value of this constant for the weak acid called “benzoic...
the table for problem 5 is attached
S. Consider the weak acids in Table 13.2. Which acid-base pair would be best for a buffer at a pH of: a) 3.5 b) 7.3 c) 10.0 To make a buffer with pH 3.0 from HCHO2 and CHO2: a) what must the [HCHO2]/[CHO2] ratio be? 6. ep b) how many moles of HCHO2 must be added to a liter of 0.139 M NaCHO2 to give this pH? c) how many grams of NaCHO2...
Can you please answer all my questions please. I
really need the answers to all the questions please
ORC221F/101/3/2019 48. Which of the following statements about benzene is INCORRECT? (1) All twelve atoms do not lie in the same plane (2) All the carbon atoms are sp2 hybridized (3) The C-H bonds are all the same length (4) The electrophilic aromatic substitution reaction is a common reaction type 49. Name the following compound according to the IUPAC nomenclature. (1) N-ethyl-2-bromo-2-methyl-2-pentanamine...
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