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Explain how each level of protein structure affects the protein's function.
Calculate the molar mass of the acid. Calculate the second dissociation constant for the acid, Ka2.
Explain how many moles of argon gas are in a sample that is collected over water at 27oC vapor pressure of water is 27torr if the volume of the gases is 430mL and the atmospheric pressure is 754torr
If 86.0 mL of .150 M HCL is needed to neutralize all the NH3 from a 2.25-g sample of organic material, calculate the mass percentage of nitrogen in the sample.
Use a molar mass of 800g/mol for the vegetable oil and use a density of 0.88g/mL for vegetable oil and 0.79 g/mL for methanol to calculate how many moles of ethanol are used.
One of the major problems in peptide synthesis concerns racemization of the amino acids. If all the stereogenic centers at the a carbons of a polypeptide containing 10 different amino acids
Write the Net Ionic Equation and determine the standard potential for the reaction between permanganate and tin(II). From the potential
What is the balanced formula unit equation for the reaction Mercury(II) nitrate reacts with sodium sulfide to form mercury(II) sulfide, which is very insoluble, and sodium nitrate
which effect on atomic size is more significant, the nuclear charge (p+) or the energy level that the eleectrons are filling explain why.
Calculate the temperature of the system once equilibrium has been reached. Assume that for Cp,m H2O is constant at its values for 298K throughout the temperature range of interest.
This question about comparing elimination reaction of alkene with sodium methoxide and potassium tert-butoxide compare the results of the two E2 reactions you ran and discuss how using different bases affects the product composition
If the annual production of acetyl salicylic acid in the U.S.A were converted to 5-grain aspirin tablets, approximately how many tablets would there be for each person? Assume that the population is about 3.0 X 10 ^8. Show Calculation
a sample of air contains 72.75nitrogen 26.45 oxygen 0.05 carbon dioxide and 0.75 argon byvolume. how many molecules of
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