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Chromatography is all about intermolecular forces. Name two intermolecular forces that are involved in chromatography and the roles that they play during separation.
Which compound, ferrocene or acetylferrocene, will be the higher of the two spots on your normal phase TLC plate? Why?
Will this compound come out first or last in flash chromatography? Explain.
what is the molecular geometry around each central atom: CH2CH2(double bond) C=? C=? Also, for CH3 O CH3 C-O-C C=? O=? C=.
Calculate the molarity and mole fraction of acetone in a 1.82 molality solution of acetone in ethanol. Density of acetone is .788 g/cm^3. Density of ethanol is .789 g/cm^3. Assume that the volume of acetone and ethanol add.
How many moles of luminol are present in 2.00 L of the diluted spray?
what is the maximum amt of (Ba2+) that can be maintained in 1.9 L of a .030 M solution of Na2SO4.
Calculate the percent (by volume) of air that would be displaced when all of theN2 (l) get evaporated. it is given that Liquid nitrogen has a density of 0.807 g/mL
Calculate the effective charges on the I and Br atoms in IBr, in units of the electronic charge e.
calculate how many protons are required to pass through the xeno-FoF1-ATP synthase complex to synthesize one ATP.
Multiple choice questions in Nuclear chemistry - As the temperature of a sample of a radioactive element decreases, the half-life will
Compounds A and B are isomers of molecular formula C9H19Br. Both yield the same alkene C as the exclusive product of elimination on being treated with tert-butoxide in DMSO Hydrogenation of alkene
Which do you think would be larger and why? The first ionization energy, IE1, of Ne,The second ionization energy, IE2, of Na
Calculate the concentrations of all species in a 1.73 M Na2SO3 (sodium sulfite) solution. The ionization constants for sulfurous acid are Ka1 = 1.4× 10-2 and Ka2 = 6.3× 10-8.
27.5 grams of hydrogen chloride is dissolved into 70.0 ml of water. Calculate the mole fraction for the hydrogen chloride that is dissolved in the water.
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