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Draw all steroisomers of pentane-1,2,3,4,5, pentaol using bold and hashed wedges. There should be two meso compunds and a pair of enantiomers.
This is kind of tricky for me because I have a reasonable answer from someone else here kind enough to help me but this is for an online homework, and the online program said that at least one was missing even though I drew four structures.
what is its characteristic wavelength? hint recall that the kinetic energy of a moving object is e12mv2 where m is the
A gas at 550 torr and 1.2 liters is allowed to expand to 4.3 L. What is the final pressure of the gas? in mmHg or torr.
if 28.7ml of 0.375m sodium hydroxidenaoh are necessary toneutralize 40.0ml of a hydrochloric acid hcl solution
From the values of delta H and delta S, predict which of the following reactions would be spontaneous at 23 degrees celsius. Reaction A: delta H = 10.5 kj/mol
scl2 state the molecular polarity in a 3d sketch of youmolecule and lable the dipole moment of each bond state
If the first solvent pair for recrystallization is ethanol-water, what would happen if hexane replaced ethanol, to make the solvent pair of hexane-water
A 10.00mL aliquot of a weak base is titrated with HCL. The equivalence point is reached after 17.21mL of 0.4332 mol/L HCL has been added. The pH is equal to 10.03 after 5.00mL of HCL was added. Determine
The human eye is able to detect as little as 2.35 × 10-18 J of green light of wavelength 510 nm. Calculate the minimum number of photons of green light that can be detected by the human eye. Physical constants can be found here.
draw the molecule by placing atoms on the grid and connecting them with bonds. include all lone pairs of electrons and
An unknown gas effuses through a porous barrier at a rate that is 0.752 times the rate of Ar (g) under the same conditions
When light of frequency 6.88×1015 s-1 shines on the surface of a metal, electrons are ejected with a maximum kinetic energy of 3.40×10-19 J. Calculate the wavelength of this light.
5.00 ml of a water sample was titrated for hardness with 4.15ml of 0.0200m edta. write an equation for the reaction and
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