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Into an evacuated 30L vessel is placed 0.1mol of n-butane dissolved in 0.9mol of n-hexane. if the vessel and its contents are kept at 298K, what is the pressure and the vapor and liquid compositions when equilibrium is achieved? You may assume ideal liquid and vapor behavior.
Data at 298K: The density of liquid n-butane is 0.575 g/cc and its vapor pressure is 2.428 bar. The density of liquid n-hexane is 0.655 g/cc and its vapor pressure is 0.200 bar.
What is the morality of an unknown sulfuric acid solution if it takes 23.35 mL of a 0.3335 M lithium hydroxide solution to neutralize it?
using henderson hasselbalch calculate the ph of .5 L of 2.0M solution of nitrous acid, HNO2 that also contains 140g of nano2 (MM=70g/mol)
Calculate DeltaHrxn for the following reaction: CH4(g) + 2Cl2 (g) --- CH2Cl2(g) + 2HCl(g) Use the following reactions and given delta H's
calculate the mass in grams of urea that must be added to 150.g water to give a solution whose vapor pressure is 2.5mm
What is the value of Ksp for Ag2SO4 if a maximum of 5.40 g is soluble in 1.00 L of water
A solution of .601g of the solid in 34.1g of the solvent diphenyl gave a freezing point depression of 1.17 degree celsius. Calculate the molar mass and molecular formula of the solid(k1 for diphenyl is 8.00 degree celsius/m)
The acid ionization constant of Fe(H2O)62+(aq) is 3E-6. Compute the pH of a 0.2 M aqueous solution of Fe(NO3)2. 5. Compute the solubility of Mg(OH)2 in a buffer solution at pH=10.31. The solubility product of magnesium hydroxide is 1.2E-11
A sample of gas occupies 1.55L at STP. Remember, pressure at STP is 1.0 atm. What will the volume be if the pressure is increased to 50 atm while the temperature remains constant
an unknown amount of CO2 occupies a volume of 9.04 L at 25°C and 1.17 atm pressure. How many moles of CO2 are there in this sample?
For a particular redox reaction Cr is oxidized to CrO42- and Cu2 is reduced to Cu . Complete and balance the equation for this reaction in basic solution.
What is the value of the rate constant (k) for this reaction? Points will be deducted if you do not include the correct sign and units of the rate constant. (b) Determine the half-life for this reaction in units of seconds
a cylinder storing oxygen at 20 mpa at 0 degrees celcius might explode if the pressure exceeds 50 mpa. what is the
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