QUESTION 19 . What is the optimum pH of a buffer solution that contains 0.15M HA ( Ką = 1.7 × 10-4.) and 015M A¯? 3.57 3.77 3.97 O 4.01 None of the above

Q: Draw the mechanism of the photochemistry reaction of benzophenone when reacted with isopropyl…

A: Ketone undergoes photo reduction in the presence of a variety of hydrogen atom donors. Here the…

Q: 5. What is the major product of the following reactions? ( a) b) OH 2° LOH Jones reagent H₂O Heat

A:

Q: lassity each of the amino acids below. Note for advanced students: none of these amino acids are…

A: Non-Polar Amino Acids are those amino acids in which side chains contains mostly hydrocarbon. Like…

Q: What is the product of the Robinson Annulation outlined below? & B. O A OB O C OD 1. NaOH, 2. NaOH,…

A:

Q: Given the following information: 2 H₂(g) + O₂(g) 2 H₂O(1) AH = -572 kJ N₂O5(8) + H₂O(l)-2 HNO3(1) AH…

A: The thermochemical equations can be treated as algebraic equation which can be added,  subtracted,…

Q: Using formal charge formula, please find out which of the following is the  best structure, OCS, COS…

A: Concepts:- The molecule which has lowest formal charge is more preferred to the molecule…

Q: Which of the following alkenes have both a cis and a trans form? Check all that apply.…

A: Given,The names of the…

Q: Determone which one of the following is aromatic?

A: For molecule to be aromatic the molecule must satisfy,• Cyclic• conjugated π electron system and…

Q: Propose an efficient synthesis for the following transformation. مد - حد The transformation above…

A: Alkene on reaction with ozone can form aldehyde,, 99, 254); position: relative; display:…

Q: Write a balanced chemical equation including the states of matter (s, l, g, aq) for the aerobic…

A: Organic compounds on reaction with oxygen to form carbon dioxide and water along with energy. If…

Q: 2. There are two methods to convert an alkyl halide into a carboxylic acid containing one additional…

A:

Q: What is the oxidation state of the nitrogen atom indicated by the blue arrow in the structure below?…

A: Data

Q: Why are van der Waals forces (London dispersion forces and dipole-dipole attractions) so important…

A: This problem is based on biochemistry. Here we will deal with protein structures. Proteins have…

Q: 4. Each of the following is a much weaker base than aniline. Present a resonance argument to explain…

A: The basicity of a compound depends upon its tendency to donate its lone pair of electrons. The…

Q: Like equilibrium constants, E values are temperature dependent. At 80°C, E for the cell cell cell…

A:

Q: What is the major product of this reaction? at MgBr 1. 2. H3O+ O ?

A: Grignard reagent provides a hard nucleophile and it gives a 1,2-addition reaction with the…

Q: 6. Consider the following compound. H a. Draw this compound in its enol form. b. Which is more…

A: Aldehyde - propanalWe have to do - Make enol form of compound Comparing stability of both the forms

Q: What is the final product for the reaction below? O NaOCH3 ?

A: Dieckmann condensation is base catalyzed intramolecular condensation of diester to form the -keto…

Q: 6. Provide detailed electron-pushing mechanism for the following transformation. OH / OH H₂SO4

A: Electrophilic substitution on Benzene ring occur through the following steps: Formation of an…

Q: A patient enters the ER with metabolic acidosis. If his pH is 7.1, what is the hydrogen [H+]…

A: pH = 7.1The hydrogen ion concentration in his plasma is to be found.“Since you have posted multiple…

Q: What is the necessary reagent for the proposed transformation? O A A. 1. LiAlH4 2. H* work-up B.…

A: This is a hydride reduction. To convert ester to an aldehyde, a much weak reducing agent is…

Q: 8) Which compound is more acidic: 1) Aminomethan or aniline? 2) Ethanol or phenol? Draw the…

A: Acidity is the tendency of compound to give proton. Higher the tendency, higher will be the acidity.…

Q: 12. Which structure is Thr? a. NH₂ 13 The res ON b. NH₂' ON C. NH₂ OH d. O NH₂ e. not a.-d.

A: The molecular formula for threonine is C4H9NO3. This amino acid assumes a linear…

Q: HH HH H :0: CH3SNa CH₂ Select to Add Arrows DMF Na Ⓒ

A: Given reaction is substitution reaction.  This is Sn2 substitution reaction as we have secondary…

Q: Which of the following aqueous solutions will or will not act as a buffer solution? Ca(OH)2 HF and…

A: Buffer are the solution that resist a change in pH upon addition of small quantity of acid or…

Q: Using the permeability coefficients for polypropylene and polystyrene in the table below, choose the…

A: Given the provided permeability coefficients for polypropylene and polystyrene, we can…

Q: 2. The hydrogen sulfide in a 50.0 g sample of crude petroleum was removed by distillation and…

A:

Q: What are the major alkene and amine products of the following Hofmann Elimination reaction? H 1.…

A: This is Hofmann elination reaction, where tertiary amine will be eliminated and form an alkene by…

Q: с. НО, d. НО НО. НО ОН ОН CH₂OH ОН CH₂OH ОН HCI CH3CH₂OH HCI ОН

A: Glucoside formation involves the attachment of a glucose molecule to another compound, resulting in…

Q: can u explain why did he say don't exceed 8valence electrons on a 2nd row in the slide?

A: The elements in the second period contains two shells. The maximum number of electrons in the inner…

Q: 22. A. Name the reactants in the following chemical reaction. CH₂ CH₂ || OH + NH \ CH3 CH3 A, 스…

A: Carboxylic acid reacts with amine to form amides.

Q: lodine-125 is a radioactive isotope commonly used in medicine. It has a half-life of 59.5 days. A…

A: Given,

Q: H₂C. CH3 CH3 CH₂ 1.03 2. Zn

A: The given reaction is an example of ozonolysis reaction.In this reaction the double is break to form…

Q: Draw the two major organic products for the following reaction:

A: For the given reaction, draw the two major organic products:

Q: Consider the equilibrium involving the methylamine (CH3NH2) and the methylammonium 10n (CH3NHs*) at…

A:

Q: Part 1 out of 4 OH HBr draw structure... Organic Final Product

A: Reaction of alcohol with HBr

Q: 19. Which of the following compounds would react fastest with HNO3/H₂SO4? nitrobenzene (PhNO2) A.…

A: The nitration of benzene is achieved by treating benzene with a mixture of concentrated HNO3 and…

Q: Create a dehydration reaction using a 6 carbon alcohol Zaitsev's rule

A: Alcohols when heated under acidic condition then alkene form. According to Zaitsev rule, a highly…

Q: ser Guard™ AMBAE of heptyne, zheplyle, and eplyne was undergo a B121 presence of Pd/C as the…

A: Reduction is addition of hydrogen Or removal of oxygenH2 and Pd act as reducing agent.

Q: The primary product of the following reaction is which of the following? CH3 H2SO H2O + OH سلم CH3…

A: Alkene reacts with water in presence of an acid to form alcohol. The product form according to…

Q: 16 Which of the following will be the strongest base? A. CF₁ COM కురీ Br B. D

A: We have to identify which one among the given structures is the strongest base.

Q: C. NaOH Br₂ (excess)

A:

Q: 4. Calculate the value of Eºcell for Cu(s) + 2Ag*(aq) → Cu²+ (aq) + Ag(s). 5. Based on your…

A: In question 4 we need to find E°cell which can determined based on the reaction and using E° values…

Q: с. Н- НО НО Н CHO -OH -Н -Н -ОН CH₂OH alpha anomer beta anomer

A:

Q: How many valid combinations of quantum numbers exist for 3d electrons?

A: Shell = n Subshell  = l  = 0 to (n-1) l = 0, 1, 2, 3 ...... = s, p, d, f,...... = s, p, d, f ....ml…

Q: What is ASn for the following reaction? rxn S, J/mol-K Oa) -72.9 J/K Ob) +72.9 J/K Oc) +100 J/K Od)…

A: The entropy of a system is defined as the statistical number of microstates or degrees of freedom…

Q: Write an Essay, discussing the relevance of Monds process to modern mining techniques.

A: "Mond's Process and It's Relevance to Modern Mining Techniques "Mond's process is also known as the…

Q: Based on the data given of all 3 trials given in the screenshots (if you cant see it properly click…

A: Enthalpy diagram of each trial is to be drawn.

Q: D anda E B you MIHI F AS, MIRA

A: Given a pH line. The line has six points (A, B, C, D, E and F).The line is

Q: 9. In an aqueous solution, if the [H+] is 1 x 10-5 M, what is the [OH-] ?

A: [H+] = 1 × 10-5 M[OH-] = ?Note: The relationship between [H+] and [OH-],[H+][OH-] = 10-14

Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.