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A monoprotic acid with a Ka= 6.46E-5 has a partition coefficient of 5.6 (favoring octanol) when distributed between water and octanol. Find the formal concentration of the acid in each phase when 100mL of 0.10M aqueous acid is extracted with 39mL of octanol at (a) pH 4.00 (b) pH 8.00. (a) pH= 4.00 what is the M concentration in water? What is the M concentration in octanol? (b) pH= 8.00 what is the M concentration in water? what is the M concentration in octanol?
water has a molar heat of vaporization =40.79 kJ/mol, determine how many grams of water could be vaporized by 0.806 kilo Joules heat? Express your answer in units of g
A cylinder of propane gas at 25oC has a volume of 32.0 liters. The pressure of the gas in the cylinder is 9 atm. To what temperature (in oC) must the gas be heated to increase the pressure by 2 atm? Assume ideal behavior
I need help describing an experiment where one could measure the value of the extinction coefficient of a solution with a concentration (c mol/L) of chlorophyll in water for a given wavelength.
Hydrazine, N2H4, is used as a rocket fuel. In the reaction below, if 80.1 g of N2H4 and 92.0 g of N2O4 are allowed to react, which is the limiting reactant?
Ethylene, C2H4, and water react under appropriate conditions to give ethanol. The reaction is C2H4(g) + H2O(g) C2H5OH(g) An equilibrium mixture of these gases at a certain temperature
How many grams of NaOH are contained in 230.0 mL of a 0.800 M sodium hydroxide solution?
determine what mass of AgCl silver chloride can be formed from 1.03L of a 0.132M solution of AgNO 3 silver nitrate
Calculate how many grams of phosphorus are present in 2.68 moles of phosphorus pentachloride(PCl5) and also determine the numbers of moles of chlorine are present in 3.71 grams of phosphorus pentachloride?
Draw the major organic product of the reaction. Indicate the stereochemistry via wedge/dash bonds, including explicit H and D atoms
Balance the following equation in basic solution. indicate which reactant becomes oxidized during the reaction, which reactant becomes reduced
A 2.50 g sample of an unknown gas occupies 885 mL at 697 mm Hg and 40 C. What is the molar mass of the unknown gas
if the total amount of energy emitted by a carbon sample is 1.98x10^5 J, determine the number of carbon atoms present in the sample, assuming that each atom emits one photon
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