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As a separation and detection method, would TLC or paper chromatography yield better results in the analysis of each of the following pairs of compounds?
(a) CH3CH2 SO3H and CH3CH2SO2NH2
(b) H2N ring CO2H and ring CO2H
(c) CH3(CH2)6COCH3 and CH3(CH2)6COHHCH3
If 153 mL of wet H2 is collected over water at 24°C and a barometric pressure of 729 torr, how many grams of Zn have been consumed?(The vapor pressure of water is 22.38 torr at 24°C.)
Determine the mass of solid sodium formate of MW 68.0 must be combined to 150 mL of 0.66 mol/L
The results of the experiment supported the hypothesis of semiconservative replication, which was proposed by Watson and Crick.
If the Ksp of Fe(OH)2 is 7.9 × 10-16, what is the maximum [Fe2+] that can coexist with these solutes in the solution?
The greater volume per mole at the higher temperature indicates greater average intermolecular distances and hence weaker intermolecular forces.
What mass (in grams) of steam at 100°C must be mixed with 375 g of ice at its melting point, in a thermally insulated container, to produce liquid water at 66.0°
a sample contains 67.0% of the R isomer and 33.0% of its enantiomer, what is the observed specific rotation of the mixture?
what would be the atmospheric pressure of MTBE in Pa If this sample were at equilibrium with atmospheric MTBE? KH = 1.7 M/atm.
Calculate the mass of water produced when 9.11 G of butane reacts with excess oxygen. Express the mass of water numerically in grams.
A physician treating a patient with megaloblastic anemia might be tempted to treat the patient with folic acid to see if a simple folate deficieny is involved.
Reaction 1 uses 0.260 of reactant, and Reaction 2 uses 0.590 of reactant. How many times faster is Reaction 2 compared to Reaction 1.
if you burn 33.7g of hydrogen and produce 301 g of water, how much oxygen reacted?
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