2. Calculate [H*] and [OH-] for the following a. Baking soda (pH 8.4) b. Beer (pH 4.5)

Q: A solution is made by dissolving 9.5 g of sucrose, C12H22O11 (molar mass 342.3 g mol-1) in water to…

A: Molarity of the solution is defined as the mole of solute, which is dissolved in the per (L) liter…

Q: 1.The specific rotation of a sample of mandelic acid [PhCH(OH)CO2H] is -9.48° and of pure S-(-)-…

A: Multiple questions are asked by you. I will answer the first question which has 3 subparts, as per…

Q: A. What is the pH of a 0.15 M solution of acetic acid?

A: The pH of a solution is a measure of its acidity or basicity. It is a scale from 1-14. A lower value…

Q: What structure is labeled B? B A D E G H F

A: The urinary system in humans comprises a pair of kidneys, each of which are present on the left and…

Q: 10.94 Solution X has a pH of 9.0, and solution Y has a pH of 7.0. (10.6) a. Which solution is more…

A: pH is a measure of the acidity or basicity of a solution. It is defined as the negative logarithm of…

Q: Daclatasvir is formulated at the dihydrochloride salt. Which functional group in Daclatasvir will be…

A: Daclatasvir is one of the potent, first-in-class, and a selective inhibitor of the nonstructural…

Q: 3. Consider the following acids and their dissociation constants: H:SO:(aq) + H20(1) = H:O-(aq) +…

A: a) If Ka value is less this means that ionisation is less and if Ka value is more this means that…

Q: Balance the following equations: a, b, c, d, & e Please explain thoroughly how and why I would…

A: Approach to solving the question: Detailed explanation:In balancing chemical equations, the number…

Q: You receive a prescription to prepare 2.5 pounds of tranexamic acid 6 % (w/w) cream. How much  cream…

A:

Q: It GH CH20 H what is the identity of this Compound ? is H a reducing Sugar?

A: A monosaccharide can be polyhydroxy aldehyde(aldose) or polyhydroxy ketone(ketose). Monosaccharides…

Q: Draw the structure of Glycine at the following pH values: 5.97

A: Glycine is an amino acid, a building block for protein. It is not considered an essential amino acid…

Q: 1. Rank the following amines from lowest to highest boiling point. Explain your reasoning. CH3…

A: Answer 1correct order is B< A< CExplanation:Step 1: Step 2: Step 3: Step 4:

Q: A 0.025 M solution of an unknown organic acid has a pH of 5.70. 1.1 By means of a full calculation,…

A: The Henderson-Hasselbalch equation of a general buffer system; HA↔H+ + A- where 'HA' is the acid and…

Q: 2.) An unknown amino acid was subjected to paper chromatography with five amino acid standards in…

A: Paper chromatography is a biochemical technique that is used to separate a mixture of substances…

Q: Modify the Fischer projection of the following aldose to show the compound that is formed when the…

A: Here is how the Fischer projection should be modified:The aldehyde group (CHO) at the top will be…

Q: H2N. H3CO- NAI IYK КАН BCS

A: Hydrolysis is the process of cleaving a bond with the help of water. During hydrolysis the water…

Q: 5'-GTGTCCGTCTAATATTGTGAGATGTTATATCCCGCCGTCAACACCATCAA-3' ---…

A: DNA stands for Deoxyribonucleic acid which is a molecule consisting of two polynucleotide chains. It…

Q: What is the isoelectric point of casein? Please choose one correct answer only. A. pH 6.6 B. pH 5.6…

A: Peptides are molecules consisting of 2 to 50 amino acid residues covalently linked together by…

Q: O E A D a) purine, RNA O c) purine, DNA b) pyrimidine, RNA HC CH₂ d) pyrimidine, DNA CH CH-CH | →OH…

A: DNA aur RNA is a polymer of nucleotides. DNA is made up of deoxyribose sugar, a phosphate group and…

Q: 3.(12pts) What is the ratio of NH4+/NH3 for a 0.5M solution of NH4Cl at pH 9? (The pKa of NH4+ is…

A: Dissociation of a weak acid is mathematically described by the Henderson-Hasselbalch equation: pH =…

Q: 29. A topical solution contains 3% w/v hydro- quinone. How many liters of the solution can be…

A: Introduction: % w/v solution is defined as weight of solute in grams divided by volume of solution…

Q: 1. How would you make 10 L of 0.3 M citrate buffer pH 2.5 from solutions of 0.4 M NaCitrate and 0.4…

A: Approach to solving the question: Detailed explanation: Examples: Key references:

Q: b) Determine which ionization state corresponds to aspartic acid (shown below) at pH 1, 7, and 10 by…

A: Due to the presence of ionizable groups, the amino acids possess different charges at different pHs.…

Q: What is the classification of the following structure? CH3 H3C CH-CH-OH CH OA. Primary Alcohol O B.…

A: The classification of the alcohol is generally based on the carbon (C) atom which is attached to the…

Q: A very weak acid has à Ka= 4.37 x M? (-) What is the [H+] of a solution of this acid that is 2.65

A: The acids are substances that can readily donate a proton. Bases are molecules that receive a…

Q: 10. If codeine hydrobromide has the formula C18H22BrNO3, what is the formula of the parent compound…

A: Thank you.

Q: Complete the structure of thalidomide by drawing multiple bonds

A:

Q: Draw an approximate titration curve for lysine, given that its pKa(COOH) = 2.18, its pKa(NH3*) =…

A: Amino acid has a typical structure. It has a central Carbon atom called (Cα). To it 4 groups are…

Q: 62. Identify the compound: C5H8O4: IR (cm-1): 2800-3300 (broad), 2950, 1740 13C NMR (8, splitting):…

A: Infrared spectroscopy is a type of vibrational spectroscopy. It measures the interactions of…

Q: Draw structural formulas for all of the following. Q.) Alcohols with the molecular formula C4H10O

A: Take the example of two organic molecules- Ethanol and dimethyl ether. Both these molecules have two…

Q: 4. A 1.0005 g sample contains selenite was determined using Fajan's method by performing a titration…

A: The correct option is (d). 1.372%

Q: 9. (1 pt) What is the [H+] and [OH-] for the following strong acid and strong base solutions: A)…

A: Step 1: Strong acids completely dissociate in water, so they give the concentration of [H+]…

Q: Identify the oxidizing and reducing agent of the given equation: Answers should be the symbol of the…

A: An oxidising agent is a substance that gets reduced in order to oxidise other substance. A reducing…

Q: pH represents the:

A: Answer - pH stands for potential of hydrogen and it is calculated as negative logarithm of hydrogen…

Q: 3.) A mixture of amino acids was subjected to paper chromatography with six amino acid standards in…

A: Paper chromatography is an in expensive powerful analytical technique to separate the solute…

Q: intensity €495 1295 567.5 567.9 1995 s

A: M/z means mass to charge ratio . The first step is involves selecting largest leaks in mass spectrum…

Q: 3). reactions of the following alkyl iodide. Danny uses potassium tert-butoxide to promote the…

A: The molecules that are isomers have the same chemical formula, but different structures, resulting…

Q: 10. Glycine has 2 ionizable functional groups. Write the equilibrium equations for its three…

A: Step 1:Amino acid can be ionised because it has two titratable groups. For glycine, the amino group…

Q: Please write the structures of alginic acid and acrylic acid(just show the repeating unit…

A: Alginic acid is a natural carbohydrate which can be found in marine algae, seaweeds, kelps, etc. It…

Q: Draw a Fischer projection formula for the enantiomer of cach of the following monosaccharides a.…

A: Monosaccharides are carbohydrates with a single monomeric unit. There are different types of…

Q: Arrange the following FAs in decreasing melting point. * A. A 22-carbon series saturated FA B. An…

A: Melting point of Fatty acids depend upon several factors like Molecular weight Degree of Saturation…

Q: 30. The shown structure is a cyclic D-monosaccharide. Which of the following statements is true?…

A: Aldehyde and ketone are both functional groups bearing the carbonyl carbon (-C=O)Chemically,…

Q: None

A: