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N-Acetylglutamic acid is an important regulatory molecule for the urea cycle. Assuming that N-acetylation of the amino group has no effect on the pKa values for the carboxylates, what is the pI for the N-acetylglutamate. For glutamic acid, pKa-COOH = 2.19, pKa-amino group = 9.67, and pKR = 4.25. A. pI < 1.2 B. pI = 3.2 C. pI = 5.9 D. pI = 7.0 E. pI = 9.7
what is the voltage after the addition of the following volume of NaI solution? The reduction potential for the saturated calomel electrode is E = 0.241 V.
The student then adds water to the flask dissolving the sugar the mass is now 204.274g. calcuate the density of this solution
Your next step is to quantify the protein in the unknown mixture. Using any of the items needed above, describe how you would determine how much protein is in your sample.
Draw and name the product for the following reaction between an alkyne, 3-methyl-1-butyne
Suppose you take a 25.00 mL sample of this hydrochloric acid solution. You then titrate it with a 0.1477 M sodium hydroxide solution.
Standard reduction potentials are given on the next page. (a) Draw a diagram of the electrochemical cell, labeling all electrodes and solutions. (b) What is the pH in the Pt | H+ | H2 half-cell? (c) What is the value of the equilibrium constant fo..
determine the mass of a mixture of 1.33x1024 formula units of sodium sulfate 1.500 moles of water and 3.77g of silver
Draw the Lewis structures for the following compounds to assist you in answering this question. 1) CBr2H2 2) BH3 3) XeCl4 4) SF4 5) HCl Which compound has no lone pairs
a three carbon species that has a carbon level of zero at each carbon atom. b) two compounds that contain three carbon atoms and have a carbon atom with a carbon level of 1.
At a certain temperature, the equilibrium constant, Kc, for this reaction is 53.3.at this temperature, 0.400 mol of H2 and 0.400 mol of I2 were placed in a 1.00-L container to react. What concentration of HI is present at equilibrium
What the effect does the bulkiness of the base have on the product composition in the E2 dehydrobromination of 2-bromoheptane?
A reaction has a rate constant of 1.27×10?4/s at 29 degrees C and 0.234/s at 79 degrees C. A) Determine the activation barrier for the reaction. B) What is the value of the rate constant at 15
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