Define the dominant form of glycine at physiological ph

Assignment Help Chemistry
Reference no: EM13717081

Question - For the amino acid glycine, the carboxyl group (COOH) has a pKa = 2.0 and the amino group (NH3+) has a pKa = 9.0. Which is the dominant form of glycine at physiological pH = 7.4?

I have no thought how to do this thank you for your help

Reference no: EM13717081

Questions Cloud

How much charge is located within a area of infinite sheet : A proton is shot directly away from an infinite charged plane which has a uniform surface charge density of -6.07 x 10-6 C/m2. How much charge is located within a 1.95 cm2 area of the infinite sheet
Calculate the concentration of copper chloride : Any chloride anions in solution will combine with the silver cations to produce bright white silver chloride precipitate. Suppose an EPA chemist tests a 250 mL sample of groundwater known to be contaminated with copper(II) chloride, which would rea..
Find the set of positions in the kernel : Suppose we have a pile of 7 red sticks and 10 blue sticks. A player can remove any number of red sticks or any number of blue sticks. Find the set of positions in the kernel.
What is the maximum height reached by the shell : A cannon shell is fired from a battleship with an initial speed of 664 m/s, ignore air drag and assume the shell lands at the same height as it is launched. what is the maximum height reached by the shell
Define the dominant form of glycine at physiological ph : For the amino acid glycine, the carboxyl group (COOH) has a pKa = 2.0 and the amino group (NH3+) has a pKa = 9.0. Which is the dominant form of glycine at physiological pH = 7.4?
Calculate the centripetal force that acts on the ball : A wrecking ball (800 kg) swings from a crane in a circular path of radius 20 m. At the bottom of its swing, it moves with a speed of 10 m/s; Calculate the centripetal force that acts on the ball
Calculate the centerline temperature of road : a long steel rod (k=20w/m.k p=8000kg/m3 c=500j/kg.k) moves at a velocity of 1cm. Determine the centerline temperature when it leaves for two cases: the rod diameter is a) 1cm and 2) 20cm.
What is the mass of the second car : An 8000-kg boxcar traveling at 15m/s strikes a second boxcar at rest. The two stick together and move off with a speed of 6.0m/s. What is the mass of the second car
What is the maximum distance the spring compresses : A 1500-kg car moving at 25 m/s hits an initially uncompressed horizontal ideal spring with spring constant (force constant) of 2.0 x 106 N/m. What is the maximum distance the spring compresses

Reviews

Write a Review

Chemistry Questions & Answers

  State ph at the halfway point and at the equivalence point

Calculate the pH at the halfway point and at the equivalence point for each of the following titrations. (a) 100.0 mL of 0.42 M HC7H5O2 (Ka= 6.4 multiplied by 10-5) titrated by 0.42 M NaOH halfway point equivalence point

  State solution of vinegar has 0.81m the manufacturer claims

A solution of vinegar has a 0.81M the manufacturer claims that the vinegar has 5% acetic acid by weight. the denisty is 1g/ml is the manufacturer correct

  Compute the amount of heat evolved in the oxidation

Calculate the amount of heat evolved in the oxidation of 32.0 g of Fe (Ar = 55.85 g/mol) at 25 oC and 1 atm pressure ( ?Hfo(Fe2O 3,s) = -824kJ/mol)

  Calculate the change in ph caused by adding 100 ml of

calculate the change in ph caused by adding 10.0 ml of 2.24-m hcl to 370. ml of each of the following solutions. awater

  Explain balanced net equation for the reaction of na2s

Write a balanced net equation for the reaction of Na2S with water. writing a net equation, and sodium ions are spectator ions.

  Explain how much oxygen per liter would the waste consume

If the ultimate BOD of waste is 24mg/l and the BOD5 of that waste is 16mg/l, how much oxygen per liter would the waste consume in 7 days

  A solution of 020 m of magnesium sulphate mgso4 has an

a solution of 0.20 m of magnesium sulphate mgso4 has an observed osmotic pressure 7.6 atm at the temperature of twenty

  Depict an oxygen consumption cruve for a suspension

Draw an oxygen consumption cruve for a suspension of isolated mitochondria when the following compounds are added in the indicated order. With the addition of each compound all of the previously added compounds remain present.

  Explain role does ammonium bromide play in the conversion

What role does ammonium bromide play in the conversion of the trans-substituted aziridine to the diazabicyclo

  Compute the number of moles of the element present

Utilizing the average atomic masses for each of the following elements, Compute the number of moles of the element present in each of the following samples

  How much of the solution is needed

How much of the solution is needed?

  Explain what is the initial ph of the formic acid solution

30.0 mL of 0.100-M formic acid (Ka = 1.80×10-4) is titrated with 0.100-M NaOH. What is the initial pH of the formic acid solution? What is the pH of the solution after 12.0 mL NaOH has been added?

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