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1. Explain what is the unit that forms the basis of the glycogen polymer?
a) The six-membered form of galactose
b) The five-member ring of form of fructose
c) The six-membered ring form of glucose
d) The linear form of fructose
2. The enantiometric forms of 2-bromopentate. The mirror-image isomers aren't superimposable on each other. If you replace Br with CH3 will compound be chiral?
a) Yes
b) No
3. Provide the general formula for any cyclic alkene, that is a cyclic hydrocarbon with one double bond
a) CnH2n+2
b) CnH2n
c) CnH2n-2
d) CnH2n-4
The concentration of hydroxylamine in a solution is 0.025M. What is the concentration of hydroxide ion in the solution
Suppose you have a solution of acid HF with concentration of 0.003M. What would the concentration of H+ and F- be at equilibrium
0.2 M HCl is used to neutralize 20 mL of 0.35 M NaOH. a. How many moles of OH- are present?
Calculate the density of dry air at 70F from its average molecular mass given that the composition of dry air is 78.04 mole percent nitrogen, 20.95 mole percent oxygen, 0.934 mole percent argon, 0.0350 mole percent carbon dioxide and 0.00182 mole ..
Suppose that the atomic mass unit (amu) had been defined as one-quarter of the average mass of an atom of carbon instead of one-twelfth of the mass of an atom of carbon-12. What would the average atomic mass of aluminum be on this new scale
Suppose you did the bromination of cholesterol using bromine in DMSO(dimethyl sulfoxide)/H2O mixture (instead of acetic acid). What product(s) would you get?
Find the expression for the reversible pressure-volume work of an isothermal van der Waals gas with a constant number of moles (integrate the expression fully from Vi to Vf) (b) One mole of a gas at 300 K is compressed isothermally and reversibly ..
When naming cis/trans isomers, when will i have cis,cis or trans,trans, or cis/trans.-more than one cis and trans.
The average bond enthalpy for a double bond is 614 and that of a single bond is 348 . Estimate the energy needed to break only the bond of the double bond of 2-butene. Express your answer numerically in joules per molecule.
Write the structures (or name the structures) for the major monobromination products that would be formed from each of the following substrates used. Explain your predictions.
What experimental difficulty would you encounter if you had neglected to include a drying step before evaporation
you have to prepare a rm ph 4.77 buffer and you have the following 0.10m solutions available formic acid sodium formate
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