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For the following two peptides, draw the chemical structure of both peptides,indicating where the peptide bonds are.
A 0.1967 g sample of pure ascorbic acid is weighed out. What mass of ascorbic acid has been oxidized by the air over the week-long waiting period?
A physics student wants to cool a glass of Diet Cola (mostly water), initially at 27°C, byadding ice initially at -18°C. If there is 250g of Diet Cola in the glass, how much ice must they a
In terms of the structural aspects of Hb that we discussed in class, explain asmany features of the following Hb variants as you can (you may not be able toexplain all of the properties).
What is the ratio of acetate to acetic acid in a 0.1 M buffer at pH 4.75? What happens when 5 mL 0.1 M HCl is added to 50 mL of this buffer?
Explain the integration of the different metabolic pathways that take place in the liver.( may cover many pathways that are happening in the liver)
You react (E)-2,7-dimethyl-4-octene with bromine, collect product, and then perform a second reaction with potassium hydroxide.
The molar (or milli or micro molar) concentration of adenosine when 3ul of the 0.4% control is dissolved in 3 ml of 1 M HCl is?
Find Ka values for and order the following componds in order of acidity, most acidic first.
Predict the potential for the following voltaic cell at 25 C: Cu(s)|CuSO4(1.09 M)||AgNO3(0.43 M)|Ag(s)
For example, a functional group that exhibits a basic pKa of 4.4 is significantly ionized at pH 7.4 while a functional group that exhibits an acidic pKa of 10.4 is significantly ionized at pH 7.4 bu
Give an example of a metabolic pathway of a drug or endogenous substance for each of the following reaction types and determine the electrophile and nucleophile: SN1 reaction Radical reaction E1
Describe in detail how global warming is effecting our temperature, ecosystems, health, our climate and future. Find out when this started happening and how global warming is accelerating. Find ou
The problem below concern CACL2. 0.135 gram of cacl2 is dissolved to 250 ml. What is the prepared molarity of the solution
Give examples of different oxides and halides that the 1st row d block metals can form. Which ones can form more than 1 oxide and halide and why?
A compound was sent off for elemental analysis and was found to have following composition: C 70.6%, H 5.9%, O 23.5%, if the molecular formula has a molar mass of 204.0 g/mol. Determine the empiric
What is the length of the double bond between phosphorous and oxygen in psilocybin?
What is the difference in a molecule and an atom?
Sketch a diagram of the total pressure in the container as a function of time, starting before the additional Cl2(g) was injected until equilibrium is again achieved.
The gas is cooled back to 25.0°C and at the same time the pressure is decreased. The volume is now measured to be 4.48L. What is the pressure of the gas?
What mass (or weight) of concentrated sulfuric acid will be required in the reaction to produce the amount of phosphoric acid solution that was ordered?
What is the partial pressure of acrylonitrile in the vessel after the reaction has gone to completion? e. What mass of acrylonitrile is produced after the reaction has gone to completion?
A liquid sample that weighs 2.585 g is a mixture of butane (C4H10) and hexane (C6H14). How much CO2 (answer in g) was produced in the combustion of the sample?
How much butane and hexane (answer in g) were in the original sample? How much CO2 (answer in g) was produced in the combustion of the sample?
Explain how and why Carbon can experience, sp, sp2, and sp3 via hybridization and what role this plays in the geometry of the molecule.