
Concept explainers
Interpretation: The pH or isoelectric point of glycine at which the given equation is true is to be calculated.
Concept introduction: Amino acids are defined as organic compounds which contain
To determine: The pH or isoelectric point of glycine at which the given equation is true.

Answer to Problem 159CP
Answer
The pH or isoelectric point of glycine is
Explanation of Solution
Explanation
The equilibrium constant for the given reaction is
The equilibrium constant
Given
The value of
The value of
The equilibrium constant is calculated by using the expression,
Substitute the value of
Hence,
By using equilibrium equation, the concentration of hydrogen ion at its isoelectric point is
The equilibrium constant for the given reaction is
The concentration of hydrogen ion at its isoelectric point is calculated by the equilibrium equation as follows,
Substitute the value of
Therefore, concentration of hydrogen ion is
The pH or isoelectric point of glycine is
Finally, the pH of glycine or isoelectric point of glycine is calculated by using the value of the hydrogen ion concentration using an expression,
Substitute the value of hydrogen ion concentration
Therefore, the pH of glycine is
Conclusion
The pH or isoelectric point of glycine at which the given equation is true is
Want to see more full solutions like this?
Chapter 22 Solutions
Student Solutions Manual for Zumdahl/Zumdahl/DeCoste?s Chemistry, 10th Edition
- All of the following are allowed energy levels except _. a) 3f b) 1s c) 3d d) 5p e) 6sarrow_forwardA student wants to make the following product in good yield from a single transformation step, starting from benzene. Add any organic reagents the student is missing on the left-hand side of the arrow, and any addition reagents that are necessary above or below the arrow. If this product can't be made in good yield with a single transformation step, check the box below the drawing area. Note for advanced students: you may assume that an excess of benzene is used as part of the reaction conditions. : ☐ + I X This product can't be made in a single transformation step.arrow_forwardPredict the major products of this organic reaction:arrow_forward
- Name the family to which each organic compound belongs. The first answer has been filled in for you. compound CH₂ || CH3-C-NH2 0 ။ CH3-C-CH₂ CH=O–CH=CH, CH₂ HO CH2-CH2-CH-CH3 family amine Darrow_forward1b. Br LOHarrow_forwardI would like my graphs checked please. Do they look right? Do I have iodine and persulfate on the right axis ?arrow_forward
- Reaction Fill-ins Part 2! Predict the product(s) OR starting material of the following reactions. Remember, Hydride shifts are possible if/when a more stable carbocation can exist (depending on reaction mechanism)! Put your answers in the indicated boxes d. d. ง HCIarrow_forwardA cylinder contains 12 L of water vapour at 150˚C and 5 atm. The temperature of the water vapour is raised to 175˚C, and the volume of the cylinder is reduced to 8.5 L. What is the final pressure of the gas in atmospheres? assume that the gas is idealarrow_forwardOn the next page is an LC separation of the parabens found in baby wash. Parabens are suspected in a link to breast cancer therefore an accurate way to quantitate them is desired. a. In the chromatogram, estimate k' for ethyl paraben. Clearly indicate what values you used for all the terms in your calculation. b. Is this a "good" value for a capacity factor? Explain. c. What is the resolution between n-Propyl paraben and n-Butyl paraben? Again, indicate clearly what values you used in your calculation. MAU | Methyl paraben 40 20 0 -2 Ethyl paraben n-Propyl paraben n-Butyl paraben App ID 22925 6 8 minarrow_forward
- World of ChemistryChemistryISBN:9780618562763Author:Steven S. ZumdahlPublisher:Houghton Mifflin College DivChemistryChemistryISBN:9781305957404Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCostePublisher:Cengage LearningChemistry: An Atoms First ApproachChemistryISBN:9781305079243Author:Steven S. Zumdahl, Susan A. ZumdahlPublisher:Cengage Learning
- World of Chemistry, 3rd editionChemistryISBN:9781133109655Author:Steven S. Zumdahl, Susan L. Zumdahl, Donald J. DeCostePublisher:Brooks / Cole / Cengage LearningChemistry for Today: General, Organic, and Bioche...ChemistryISBN:9781305960060Author:Spencer L. Seager, Michael R. Slabaugh, Maren S. HansenPublisher:Cengage Learning





