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Inspect the compounds below. The brackets contain the pKa values for the acids. NH (pKa =9.2);...
Inspect the compounds below. The brackets contain the pKa values for the acids. NH4+ (pKa =...
Inspect the compounds below. The brackets contain the pKa values for the acids. NH4+ (pKa = 9.2); CH3OH (pKa = 16); C6H5SO3H (pKa = -6.5); CH3COOH (pKa =4.7) Of the compounds given above, which is the conjugate base of the weakest acid? (a) NH3 (b) CH30 (c) C6H3SO3 (d) CH3COO- (e) The answer cannot be determined from the information provided.
Please answer 6. What would be the major product of this reaction? HCI ? (a) (b)...
Please answer
6. What would be the major product of this reaction? HCI ? (a) (b) ta (d) (e) none of the above 7. Which of the following statements is true about the products (A and B) of the reaction shown below? HBr А + в (a) A and B are enantiomers. (b) A and B are racemic mixture (c) A and B are diastereomers. (d) Two of the above (c) All of the above 8. Inspect the compounds below....
Which of the following acids, whose pKa values are given next to them, would have the...
Which of the following acids, whose pKa values are given next to them, would have the strongest conjugate base? pKa a) H2SO4 b) CH3COOH 4.8 c) HS 12.9 d) NH* 2.0 9.2 Reaction of a carboxylic acid with an alcohol produces: a) an alkane b) an ester c) a ketone d) an amide During the neutralisation of a weak acid by a strong base the pH of the solution equals the pKa of the acid: a) at the beginning of...
For each of the acid-base reactions in Section, compare the pKa values of the acids on...
For each of the acid-base reactions in Section, compare the pKa values of the acids on either side of the equilibrium arrows and convince yourself that the position of equilibrium is in the direction indicated. (The pka values you need can be found in Section 2.3 or in Problem.) Problem: a. Which is a stronger base, CH3COO-or HCOO-? (The pKa of CH3COOH is 4.8; the p£a of HCOOH is 3.8.) b. Which is a stronger base, HO- or-NH2? (The pka...
DNH ANH IB HU 12 Which species is the conjugate acid of NH3? A NH₂ BH,0...
DNH ANH IB HU 12 Which species is the conjugate acid of NH3? A NH₂ BH,0 | CNH 13 Which species is a diprotic acid? A Mg(OH)2 CH₂ BCH COOH DH,CO 14 Which compound is an example of weak acid? HNO3 в | HBr IC CHCOOH DH,SO, 15 Ammonia, NH, is an example of a.......? Strong acid B Strong base Icl Weak acid Weak base 16 Which ion is the strongest base? LA Br BF cr DNO, 17 Rank the...
11) Circle the compounds shown below that are classifed as Arrhenius acids, and underline the compounds...
11) Circle the compounds shown below that are classifed as Arrhenius acids, and underline the compounds shown below that are classified as Arrhenius bases. Do nothing to molecules that are neither acids or bases: (4) NaOH Pb(OH). LIH Pb(CO (NH, CO, H.PO HCIO, KCIO, 12) (6) Consider the acid/base reaction shown below. CO, (aq) + H,SO. HCO, sau + HSO4 (aa) b) Which of these reactants / products is identified as the acid? Which of these reactants /products is identified...
Please do all of them I have no more questions remain to ask so please do...
Please do all of them I have
no more questions remain to ask so please do all of them I would
really appreciate it I do Rate Please do all of them :) I really
need help doing my hw I don't understand it please help me
Clam rences] 1 pt Use the References to access important values if needed for this question. 1 pt Oxides can react with water to form acids or bases. Identify each of the following...
What is the correct structure of cysteine at pH 137 The pKa values are 1.7 (carboxylic...
What is the correct structure of cysteine at pH 137 The pKa values are 1.7 (carboxylic acid), 10.8 (amine (conjugate acid)), and 8.3 (sidechain, thiol). ΝΗ, * _dp OH ΝΗ, HS H2 -CÁCH NH2 CH es O Arrange the indicated protons by acidity, most acidic first: So ho į III IV OI>I> III > IV 01>II> III > IV 01> IV> III > II >I> IV > III Friedel-Crafts alkylation reactions cannot be performed on aniline because: The amino group...
I added everything thing. this is the lab question you need to solve. First assigned buffer...
I added everything thing.
this is the lab question you need to solve.
First assigned buffer pH: 2.031 Second assigned buffer pH: 9.171 Available Buffer Systems (acid/ base) pka of Conjugate Acid 2.847 4.757 malonic acid/ monosodium malonate acetic acid/ sodium acetate ammonium chloride/ ammonia triethylammonium chloride/ triethylamine 9.244 10.715 1) Buffer system details: Given pH Name and volume conjugate acid Name and volume conjugate base 2) Calculations for preparation of high capacity buffer system. Introduction In this experiment, you...
Can answer in multiple choice way 1. The following is FALSE about acid and bases: a....
Can
answer in multiple choice way
1. The following is FALSE about acid and bases: a. Weak acids generate weak conjugated bases. b. Acids can only protonate bases with higher pka values. c. Metal ions can be acids. d. Acid-base reactions favor weaker acids. 5. What are the expected products of the following reaction? 2. Which molecule is the most acidic? a. HCN (pKa = 4.7) . b. Isopropanol (pka - 17.1) c. water (pKa - 15.7) d. ammonia (pka...
Inspect the compounds below. The brackets contain the pKa values for the acids. NH4+ (pKa = 9.2); CH3OH (pKa = 16); C6H5SO3H (pKa = -6.5); CH3COOH (pKa =4.7) Of the compounds given above, which is the conjugate base of the weakest acid? (a) NH3 (b) CH30 (c) C6H3SO3 (d) CH3COO- (e) The answer cannot be determined from the information provided.
Please answer
6. What would be the major product of this reaction? HCI ? (a) (b) ta (d) (e) none of the above 7. Which of the following statements is true about the products (A and B) of the reaction shown below? HBr А + в (a) A and B are enantiomers. (b) A and B are racemic mixture (c) A and B are diastereomers. (d) Two of the above (c) All of the above 8. Inspect the compounds below....
Which of the following acids, whose pKa values are given next to them, would have the strongest conjugate base? pKa a) H2SO4 b) CH3COOH 4.8 c) HS 12.9 d) NH* 2.0 9.2 Reaction of a carboxylic acid with an alcohol produces: a) an alkane b) an ester c) a ketone d) an amide During the neutralisation of a weak acid by a strong base the pH of the solution equals the pKa of the acid: a) at the beginning of...
For each of the acid-base reactions in Section, compare the pKa values of the acids on either side of the equilibrium arrows and convince yourself that the position of equilibrium is in the direction indicated. (The pka values you need can be found in Section 2.3 or in Problem.) Problem: a. Which is a stronger base, CH3COO-or HCOO-? (The pKa of CH3COOH is 4.8; the p£a of HCOOH is 3.8.) b. Which is a stronger base, HO- or-NH2? (The pka...
DNH ANH IB HU 12 Which species is the conjugate acid of NH3? A NH₂ BH,0 | CNH 13 Which species is a diprotic acid? A Mg(OH)2 CH₂ BCH COOH DH,CO 14 Which compound is an example of weak acid? HNO3 в | HBr IC CHCOOH DH,SO, 15 Ammonia, NH, is an example of a.......? Strong acid B Strong base Icl Weak acid Weak base 16 Which ion is the strongest base? LA Br BF cr DNO, 17 Rank the...
11) Circle the compounds shown below that are classifed as Arrhenius acids, and underline the compounds shown below that are classified as Arrhenius bases. Do nothing to molecules that are neither acids or bases: (4) NaOH Pb(OH). LIH Pb(CO (NH, CO, H.PO HCIO, KCIO, 12) (6) Consider the acid/base reaction shown below. CO, (aq) + H,SO. HCO, sau + HSO4 (aa) b) Which of these reactants / products is identified as the acid? Which of these reactants /products is identified...
Please do all of them I have
no more questions remain to ask so please do all of them I would
really appreciate it I do Rate Please do all of them :) I really
need help doing my hw I don't understand it please help me
Clam rences] 1 pt Use the References to access important values if needed for this question. 1 pt Oxides can react with water to form acids or bases. Identify each of the following...
What is the correct structure of cysteine at pH 137 The pKa values are 1.7 (carboxylic acid), 10.8 (amine (conjugate acid)), and 8.3 (sidechain, thiol). ΝΗ, * _dp OH ΝΗ, HS H2 -CÁCH NH2 CH es O Arrange the indicated protons by acidity, most acidic first: So ho į III IV OI>I> III > IV 01>II> III > IV 01> IV> III > II >I> IV > III Friedel-Crafts alkylation reactions cannot be performed on aniline because: The amino group...
I added everything thing.
this is the lab question you need to solve.
First assigned buffer pH: 2.031 Second assigned buffer pH: 9.171 Available Buffer Systems (acid/ base) pka of Conjugate Acid 2.847 4.757 malonic acid/ monosodium malonate acetic acid/ sodium acetate ammonium chloride/ ammonia triethylammonium chloride/ triethylamine 9.244 10.715 1) Buffer system details: Given pH Name and volume conjugate acid Name and volume conjugate base 2) Calculations for preparation of high capacity buffer system. Introduction In this experiment, you...
Can
answer in multiple choice way
1. The following is FALSE about acid and bases: a. Weak acids generate weak conjugated bases. b. Acids can only protonate bases with higher pka values. c. Metal ions can be acids. d. Acid-base reactions favor weaker acids. 5. What are the expected products of the following reaction? 2. Which molecule is the most acidic? a. HCN (pKa = 4.7) . b. Isopropanol (pka - 17.1) c. water (pKa - 15.7) d. ammonia (pka...
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