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Compounds A and B elute from a chromatographic column after 14 and 18 minutes, respectively. The time required for the mobile phase to pass through the column is 5 minutes. Calculate the separation factor for substances A and B.
a certain first-order reaction has a rate constant of 2.75 x 10-2 s-1 at 20 degrees c.nbsp what is the value for k the
There is a horizontal line representing the separation point between the liquid phase and the gas phase in the middle of the container. Use Xs to represent the 25 molecules in each container and place those molecules where you would expect them to..
HClO is a weak acid (Ka = 4.0 x 10^-8) and so salt NaClO acts as a weak base. What is the pH of a solution that is 0.020 M in NaClO
What minimum volume of sulfur dioxide at STP would be necessary to produce 82.5 kg of sulfur?
A titration of 50 mL of an unknown concentration of H2SO4 required 46.26mL of 0.1125 M NaOH. What is the molarity of the H2SO4 solution
Use Columb's law to compute the energy of a zinc ion and an oxide ion that are at their equilibrium ion-pair separation distance.
Discuss the merits and disadvantages of dispensing a drug as a reacemic mixture or as a single enantiomer.
The density of acetic acid vapor at the normal boiling point, 118.5 degrees C, is given by 3.15 g/L (normal boiling point is the boiling temperature at P = 1 atm). a) calculate the fraction of the vapor that is monomer and the fraction that is dime..
State the chemical equations for the synthesis of 2-pentanol from an alkenes. Utilize structural formulas for each organic compound
a sample of 0.600 moles of metal M reacts completely with excess of flourine to form 46.8g of MF2. How many moles of F are present in sample of MF2 that forms?
A compound is found to contain 10.37 % phosphorus, 4.689 % nitrogen, and 84.95 % iodine by weight. What is the empirical formula for this compound
a sample of steam with a mass of 0.550 g and at a temperature of 100c condenses into an insulated container holding
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