The pka values of a compound with two ionizable

Assignment Help Biology
Reference no: EM13823076

1. The pka values of a compound with two ionizable groups are pk1=4.10 and pk2 between 7 and 10.  We have 10 mL of a 1.0 M solution of this compound at a pH of 8.0.  She adds 10.0 mL of 1.0 M HCL, which changes the pH to 3.20.  What is pk2?

2. Histidine has ionizable groups with pKa values of 1.8, 6.0, and 9.2. A biochemist makes up 100 mL of a 0.100 M solution of histidine at a pH of 5.40. She then adds 40 mL of 0.10 M HCl. What is the pH of the resulting solution?

 

 

Reference no: EM13823076

Questions Cloud

The first consideration in any negotiation : Never discuss ____ with an auto dealer.  The true cost of an automobile to the dealer is.  The first consideration in any negotiation is. Which of the following would most likely be considered a need rather than a want?
Planned buying process and process of comparing products : A service contract is very much like. The process of comparing products or services to find what you think is the best buy is called. Which is not a step in the planned buying process? Which of the following provisions is not legally required as part..
Actual market value at the end of the lease period : In ____ lease, you must pay any difference between the projected residual value of the vehicle and its actual market value at the end of the lease period.
Discussion-using business analytics : Many organizations today do not utilize business analytics to help them with their decision-making processes. For some organizations, it could be a lack of knowledge about how to apply it, and for other organizations, it could be a lack of technol..
The pka values of a compound with two ionizable : 1. The pka values of a compound with two ionizable groups are pk1=4.10 and pk2 between 7 and 10.  We have 10 mL of a 1.0 M solution of this compound at a pH of 8.0.  She adds 10.0 mL of 1.0 M HCL, which changes the pH to 3.20.  What is pk2?
Who is the author''s intended audience : Who is the author's intended audience. Were any specific issues addressed in the article. What were they
Service contract offers free or low-cost repairs to product : A service contract offers free or low-cost repairs to the product
Write a revise paper about internet is a double edge sword : Write a revise paper about Internet is a double edge sword.
Pig heart mitochondrial malate dehydrogenase : A student runs an enzyme assay using pig heart mitochondrial malate dehydrogenase (MDH; found inthe Krebs cycle). The assay contains the following: 400 μl 20 mM MOPS, pH 7.4

Reviews

Write a Review

Biology Questions & Answers

  Explain how the concept of the cell has changed over the

please answer each of the following questions. please ensure that your responses are at least 3 to 5 sentences in

  Determine the genotypes of the two black females

Two black female rats were crossed with the same brown male rat. In the resulting progeny, female A produced 8 blacks and 7 browns and female B produced 16 blacks. Give a genetic explanation for these results and determine the genotypes of the two..

  What system of the brain is most likely damaged

What must a biologist do if she or he finds that different methods of analyzing the same data give different estimates of the relationships among certain taxa.

  List the types of ecological interactions

List the types of ecological interactions that different species microbes can participate in, whether the interaction is positive, negative or neutral for each party, and describe a microbial example of this type of interaction in detail.

  Define a well-controlled experiment

define a well-controlled experiment to determine if the rise in internal free calcium observed in the cytoplasm of unfertilized sea urchin eggs in the presence of A23187 is due to in flux of calcium from seawater. Include experimental treatments, ..

  What would be one homeostatic mechanism in plants

what would be one homeostatic mechanism in plants and what is meant by a division of labor in plants?

  Compare and contrast aerobic and anaerobic respiration

Compare and contrast aerobic respiration, anaerobic respiration, and fermentation and how do antibiotics work? Why do they kill pathogens without harming us?

  Statements is correct about human sex chromosomes

Which of these statements is correct about human sex chromosomes?

  Could these organisms be indirectly related

Why would the relationship between a predator like a wolf and a plant like clover be considered neutral? Could these organisms be indirectly related, and if so, how?

  Calculate probability of two bb people a blue-eyed child

Let's assume for this problem that the world is divided into blue-eyed people and brown-eyed people. Let's also assume for the sake of simplicity that there is only one gene responsible for eye color and that the allele for brown eyes.

  Condition resulting from inadequate production

The condition resulting from inadequate production of surfacant and the resultant collapse of alveoli is

  Explain how phosphate limiting conditions for photosynthesis

Explain how phosphate limiting conditions for photosynthesis.

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd