ak base with K, ¯*, and 0.20M in trimethy = 7.4 × 10 places.

Q: You have the following polypeptides at pH 7.25 and are attempting to separate them using an anion…

A: For an amino acid residue,    If pKa > pH, the ionizable group remains in its protonated state.…

Q: 10- back bonding in [FeCl4]" complex apply а) М-L b) L-M c) M-M d) L-L a b d

A: The question is based on the concept of chemical bonding we have to identify the nature of back…

Q: If a 1 g/mL solution of a mixture of compounds F and G in a 1 decimeter polarimetry cell rotates…

A: Don't worry, I am providing the detailed solution of this question, so that you may understand it…

Q: Calculate the isoelectric point for Phe-Pro (show your work). H,N° O: HO

A:

Q: What is the predominant form of EDTA at > pH 10.0? y4- HY3- H3Y"

A: The predominant form EDTA at basic condition is given below

Q: 2. 1.0843 g of 8-hydroxyquinoline complexes of Mg and Al are present in a sample mixture. A residue…

A:

Q: Jive the name to the following composites : CH,CH3 H3C. (b) (a) `CH2CHCH3 H3C `CH2CH3 ČH3 CH3 (c)…

A:

Q: A stock solution of alcohol dehydrogenase (ADH) has been diluted 1 in 10 and the absorbance reading…

A: Absorption coefficient = 1.6 ml/mg/cm  Absorbance (A) = 0.04  Dilution = 10 times  Complete solution…

Q: What is the solubility of Cr(OH)3 in g/l at pH 9.55? Ksp for Cr(OH)3 = 6.30 x 10-31?

A: From given  Initially we are calculating molar solubility from Ksp formula and then we convert to…

Q: What Mn of polystyrene would be formed by polymerization of 2.0 M styrene with 1.0 x 10-3 M…

A:

Q: Show that (35), - (25) = ( ) - ( ), ан ар aG ар

A:

Q: Would HEPES or Tris be a better buff er at pH 7.5?

A: Interpretation- To tell about that which buffer ( HEPES or Tris ) is better at pH =7.5

Q: me amino group = 9.04, and pKaR for the side chain - 12.48

A: Deprotection of groups depends upon the it's pKa value when pH > it's pKa then deprotection…

Q: 2) A triprotic weak acid H3A has pKa1 = 2.50, pKa2 = 6.70 and pKa3 = 10.30. Calculate the pH of a…

A:

Q: Find the isoelectric and zwitter ion of lysine

A: isoelectric point means the characteristic pH at which net effective charge of an amino acid is…

Q: CALCULATION PROBLEMS Gravimetric Problems AI + heat, Al,O, + MgO AIQ FM 459.43 MgQ: FM 312.61 FM…

A: Given data: Mass of mixture = 1.0843 g, Total mass of oxide residue = 0.1344 g, Formula mass of AlQ3…

Q: 4- Use Hess's law to calculate the enthalpy change (in kJ/mol) of Alanine oxidation (ΔH1) using the…

A: (1)C3H7NO2(s) + 3O2(g) → 5/2 CO2(g) + 5/2 H2O(l) +1/2 (H2N)C=O(s) ΔH1 =?? (2) (H2N)C=O (s) + 3/2…

Q: For end-group analysis, 0.8632 g of a carboxyl terminated polybutadiene (CTPB) sample dissolved in…

A: The amount of potassium hydroxide, KOH, used in the titration is; mKOH=VKOH×Eq.wtKOH×NKOH1000 mL…

Q: The Ksp for BaF2 is 1.6x10^-6.What is tge concentration of Ba+2 ions in this solution?

A: The balanced equation for the dissociation of BaF2 is, BaF2 s ↔ Ba2+aq  + 2F-  aq…

Q: Which of the following polymers would exhibit the highest Tg? A. В. NH С. D. tCH-CH

A: Tg is a glass transition temperature.  It measures the properties of amorphous solids. Following…

Q: In the enperiment on nile sed, would flousoscen ce increase Glousescence Polariza bility op the…

A:

Q: Icerrosyutheris: oH SE - 아H Far staning watcias, foxward dil. H2su4|H20 synheji's # Role of dil.…

A: Given is organic synthesis reactions.

Q: Calculate the percent dissociation of trimethylacetic acid (C,H,CO,H) in a 0.45 M aqueous solution…

A: Percent ionization/dissociation mainly used for depicting any acid's/base's strength. When a…

Q: H2C H2C CH2 Н—с-он н—с-о, 2 H2C B(OH)4 H2C CH2 + + 4 H Н—с—он H FC-o о—с—н H2C H2C CH2 PVA temporary…

A: Applying concept of nucleophilic substitution reaction on boron center.

Q: Calculate the percent dissociation of trimethylacetic acid (C4H,CO₂H) in in a 0.26 mM aqueous…

A:

Q: Why does the mobile phase in reversed phase (C18) HPLC needs to be acidic?

A:

Q: Can you give an example of homotopic, heterotopic, enantiotopic, and diastereotopic for compounds?

A: Topicity is the stereochemical relationship between substituents and the structure to which they are…

Q: At a pH of 10 what is the fraction of EDTA that is in the form Y4-? I got 0.30 but I believe that is…

A: The fraction of EDTA in the form of Y4- is equal to the αY4- value at that pH.

Q: Consider the prochiral compound shown below. Is this the re or si face? so оо O si re

A: We have to identify whether the given compound is re or si face.

Q: What is the predominant form of EDTA at > pH 10.0?     HY3-     H2Y2     H3Y-      Y4-

A: At pH greater than 10, all the acidic Hydrogens of the EDTA will lost and remain negatively charged.

Q: 2. One of the common methods used to determine phosphorus in urine isto treat urine with…

A: A question based on absorption that is to be accomplished.

Q: The base B has pKb  4.00. Find the fraction in the form B and the fraction in the form BH at pH …

A: a.

Q: Calcelate mokelity q of 52 (음)/ 아 to Solaliin. A) 0.65 D) 0구2- () 0.81 D) 0.94

A: a.Answer:  Option D) 0.94 m is the molality of 5% (w/w)% of KOH solution.

Q: need chemoselectivity. Under this 1. The relative reactivity of two different functional groups,…

A:

Q: Cuivan Coreeak base C₂H₂0 Nuo ₂. a 2. kb = 3.98 x 10-11 trund the PM of a Solution prefered by…

A: Here we are required to find the pH of weak base solution.

Q: 4. NMR – Degree of Polymerization: Determine the DP (n = ?) using the 'H-NMR given below for…

A: The solution is given below:

Q: A diene denophik redrew Ph. Ph CN 8. 汁 4 nw Stereocenters -What 6teroomes (6) will we get ? Exphin…

A: It is given a Diels Alder Reaction and the product is formed And the stereoisomers of the product…

Q: ethyl mercaptan concentration in a mixture was determined by shaking a 2.0430-g sample with 50.00 mL…

A:

Q: 6. Plot aHA- and an for substituent group of histidine which has a pka of 5.97. Include a table of…

A: The pH can be expressed in the form the Henderson-Hasselbalch equation: pH=pKa+log [A][HA+]

Q: / to loml of 0.01M A9NO3 was added lond afo-o2 M Naz Soy - Show by calculet whether or not…

A: To know whether the product will precipitate or not, the value of reaction quotient (Q) should be…

Q: 2. One of the common methods used to determine phosphorus in urine isto treat urine with…

A: A question based on tools in analytical chemistry that is to be accomplished.

Q: How- Galcalale the paner densty for (1) Plane of Bcc crystep structure.

A:

Q: 8) The amino acid Cysteine has this structure and pKa's: SH (8.00) CH2 (10.25) H,N= C- COOH (2.05)…

A: Since you have posted a question with multiple subparts, we will answer the first three, to get the…

Q: What is the predominant form of EDTA at > pH 10.0? O H3Y O H2Y2 O y4- O HY3-

A: Correct Option :   Y4-

Q: hohat stoichiom etuic and intimati are mechanisms for heautrion 4 substitution complises ype metal…

A: The mechanisms for the substitution reaction has two types of mechanisms. A substitution reaction is…

Q: Piedint the product

A:

Q: 2. One of the common methods used to determine phosphorus in urine isto treat urine with…

A: Solution: Given: Volume of urine Volume of an Volume of a sample used for

Q: 13.) A mixture containing 50% mole of A is distilled at a temperature T, what is the distillate to…

A: In relation to molar concentration, mole fraction is temperature independent Here variation of…

Q: What hazards should you know about when you work with 6MHCl and 0.5M CuSO4?

A: (a) 6M HCI Pungent odour, strongly corrosive (dangerous) to body tissue. Protection respiratory…

Spectroanalytical Methods

Spectroanalytical methods measure the wavelength and intensity of radiations that are either emitted or absorbed by a molecular or atomic species. These methods are useful for evaluating the electronic or atomic arrangement of the molecules of a given analyte.