For the amino acid Lysine draw the two predominant species when the pH is 10, You do not need to draw the entire R group.

Q: What is the actual chemical component for an anthocyanin (assume a cyanidin structure), and a…

A: Biological pigments, also described as pigments or biochromes, are colored substances formed by…

Q: what does rancidity of oils mean what causes rancidity of oils what is the acid value of oils

A: Rancidity of any oils means that the development of unpleasant smells because of which texture and…

Q: Part A: Write an equation that represents the action in water of hydrosulfuric acid (H2S) as a…

A:

Q: What would be the structure of alanine if HCI(aq) was added to lower the pH = 1? What would be the…

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Q: 0.5MHCI

A: Hello. Since your question has multiple parts, we will solve the first question for you. If you want…

Q: pH=2.45 Your answer pH 8.28 Your answer pH=7.36 Your answer pH= 1.25

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Q: Sodium phosphate has 3 ionizable groups, with pKa’s of 2.2, 7.2, and 12.3. You have 250 mL of a 200…

A: A solution containing a weak acid and its conjugate base at any proportion forms a buffer. This…

Q: At pH 7.0, what is the net charge of Leu-Cys-Ser

A: We have to calculate the net charge at pH 7.

Q: Calculate the pH of a 0.0058 M solution of ascorbic acid. Ka = 7.9x10-5 Express your answer to two…

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Q: The net charge on the amino acid glutamic acid at point E wil 10.0 8.0 E pH D 4.0 B 2.0 A mL of NAOH…

A: At point E, pH = 6.

Q: In the laboratory, a general chemistry student measured the pH of a 0.428 M aqueous solution of…

A: pH of a 0.428 M aqueous solution of trimethylamine, (CH3)3N to be 11.731 Kb for this experiment is…

Q: Calculate the pH, [H2L*], [HL], [L] for each solution of the amino acid proline (Kal = 1.12 x 102…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: Calculate the pH of a 0.0058 M solution of ascorbic acid (a weak acid).  Ka = 7.9×10-5 Express your…

A: Ascorbic acid is an weak monoprotic acid.

Q: Aqueous solution of urea is acidic , basic or neutral?

A: Urea is an amide and amides are basic in nature. The basicity of amines is due to presence of lone…

Q: What would be the conjugate base of HSO4- ? Express your answer as a chemical formula.

A: According to the Bronsted lowry concept of acid and base, acid has a tendency to donate hydrogen…

Q: Calculate the pH of a 0.24 M solution of sodium lactate. The pKa of lactic acid is 3.86. Round to…

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Q: Predict the pH of 29 mM serine.

A: pH refers to the potential of hydronium ion and is a measure scale of how acidic/basic a compound…

Q: Classify each molecule as hydrophilic, hydrophobic, or amphipathic (amphiphilic).

A: Solution: We know the very important and simple rule for checking solubility of any organic or…

Q: Consider this amino acid shown here at pH 7.0 (the isoelectric point for this amino acid is 9.7).…

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Q: In a typical laboratory set-up, what conditions are necessary in carrying out acid/base hydrolysis…

A: In typical laboratory set-up we have to be more careful while carrying out acid/base hydrolysis of…

Q: Write the Zwitter ionic form of aminoacetic acid.

A: The general formula of the Zwitterionic form of an amino acid is C2H4NO2.

Q: Complete the reactions (make sure they are balanced) and then label which of the following are the…

A: An acid is a substance that donates proton whereas a base is a substance that accepts a proton. The…

Q: If the pH is 4, what is the %HA at of a molecule has a pKa = 4? Report the answer to one decimal…

A: The degree of dissociation α is used to measure the amount of acid dissociated and is represented as…

Q: Glycine has the zwitterion structure

A: a)

Q: Calculate the pH of the following: - 0.10 M alanine hydrochloride

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Q: Calculate the pH and the equilibrium concentrations of HC6H6O6- and C6H6O62- in a 0.2410 M ascorbic…

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Q: Region/point where AA is predominantly present as a (-1) charged species? The effective buffering…

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Q: BIOMOLECULES - Please answer the questions properly. - Multiple choice 1. Assuming you are a biology…

A: The optimal pH range of a protein is the pH range in which the physiological activity of a protein…

Q: Calculate the pH of a solution containing a caffeine concentration of 415 mg/L. Express your answer…

A: Given : We have to calculate the pH.

Q: Name two causes of rancidity in oils

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: What type of amino acid has a side chain that contains –COO–? polar neutral nonpolar acidic…

A: What type of amino acid has a side chain that contains –COO–?

Q: What is the conjugate base of HSO4− and HPO32−? Express your answer as a chemical formula.

A: According to Bronsted-Lowry concept, the acidic and basic character of a compound can be interpreted…

Q: 3. The pH of the given solution of lactic acid and lactate is 4.30. Calculate the pKa of lactic…

A: Given,

Q: Based on the data in the table below, which of the following is the strongest base? Organic Acid…

A: Sodium propionate has the strongest basicity.

Q: Complete the reactions (make sure they are balanced) and then label which of the following are the…

A: An acid is a substance that gives H+ ions in its solution whereas a basic substance gives OH- ions…

Q: Calculate the pH of a 0.24 M solution of sodium lactate. The pKa of lactic acid is 3.86. Round to…

A:

Q: Valine (HV) is a diprotic amino acid with Kal = 5.18 x 10 and Ka2 = 1.91 X 10". Determine the pH of…

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Q: Define Acid–Base Properties of amino acid ?

A: A molecule that has both positive and negative charged groups is called zwitterion. Amino acid is…

Q: Gastric juice is made up of substances secreted from parietal cells, chief cells, and…

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Q: Identify whether the 3 strucutres in the attachment are lewis acid, lewis base, or either lewis acid…

A: Lewis bases are those species which have extra electron pairs present in the species and can donate…

Q: Consider the molecule, pentanoic acid which has a pKa of 4.81: H3C OH  Draw the predominate…

A: Given compound: Pentanoic acid pKa = 4.81

Q: A.) In the laboratory, a general chemistry student measured the pH of a 0.589 M aqueous solution of…

A: general chemistry student measured the pH of a 0.589 M aqueous solution of diethylamine, (C2H5)2NH…

Q: Valine is an amino acid that can take on many protonated and unprotonated forms. It has a weakly…

A: Interpretation: The pKa value of carboxylic acid group in value is low. This means that it is highly…

Q: 1. pH of a substance at 7 is how many times the concentration of a pH of 6.

A: Note - Since you have asked multiple question, we will solve the first question for you. If you…

Q: An unknown acid was believed to be either o-nitrobenzoic acid (melting point 146-148 degrees…

A: Both given choices are monoprotic acid , so they would have 1 : 1 reaction with NaOH . So we can…

Q: f the pH of the blood of most animals shifts 0.3 units. above or below. the normal range (7.3-7.5),…

A: A buffer solution is the one which maintains almost constant pH upon addition of small amounts of…

Q: Using the Henderson-Hasselbach equation predict under which of the following conditions will the pH…

A: pH= Pka + log([Salt]/[Acid])  so pH > Pka when log term is greater that Zero so in that case…

Q: Calculate the pH of a 0.50 M tartaric acid solution (pK₁1 = 2.89; pK₂2 = 4.40). Express your answer…

A: Given data :  1. Concentration (c) = 0.50 M  2. pKa1 = 2.89  3. pKa2 = 4.40  To calculate : pH

Q: Name two techniques that can be employed to extract oil from seeds   Hence,Name four processes that…

A: Given data :  Name two techniques that can be employed to extract oil from seeds Hence,Name four…