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The liquids propanol (P=20.9 torr at 25 degrees celsius) and isopropanol (P=45.2 torr at 25 degrees celsius) are mixed such that the mole fraction of propanol is 0.600. At 25 degrees celsius, what is the vapor pressure of the resulting solution?
for the reaction shown below complete the following calculations.nbsph2g c2h4g --gt c2h6ga estimate the enthalpy of
Calculate K for 2 NO(g) + O2(g) 2 NO2(g) from the observation that when equilibrium is established at 500 K, there are 0.190 moles NO2, 2.65 X 10-4 moles NO, and 0.606 moles O2 in a volume of 0.759 liters.
when the explosion destroys the bomb casing the gas is released into the atmosphere where it reaches a pressure of 1.00 atm. what is the volume of the gas after the explosion? assume constant temperature and number of moles.
The molecular weight for chlorophyll a is 893.49 g/mol. If the molar concentration of the solution is .00000387, then what is the concentration of the solution in ppm (parts per million)
silver nitrate reacts with ferric chloride to give silver chloride a ferric nitrate. in a particular expriment it was
The first-order reaction SO2Cl2 --> SO2 + Cl2, has a rate constant of 2.20 x 10^-5 s^-1 at 593 K. What percentage of the initial amount of SO2Cl2 will remain after 2.00 hours
Identify each of the following as a homogeneous or heterogeneous equilibrium: a)CO(g)+H2(g) C(s)+H2O(g). b)NH4Cl(s) NH3(g)+HCl(g). c)CS2(g)+4H2(g) CH4(g)+2H2S(g). d)Br2(g)+Cl2(g) 2BrCl(g).
In a coffee-cup calorimeter, 1.40 g of NH4NO3 is mixed with 79.0 g of water at an initial temperature of 25.00°C. After dissolution of the salt, the final temperature of the calorimeter contents is 23.23°C.
a boy wants to prepare an aqueous solution of sucrose with a vapor pressure of 15.0 mm hg at a temperature of 20 degree
Calculate E°cell and indicate whether the overall reaction shown is spontaneous or nonspontaneous.
The electron in a hydrogen atom occupies a 6p orbital. What is the longest wavelength of light that can be emitted by this atom? Give answer in nanometres, nm
What radioactive isotope emits a beta particle to give magnesium-24? a. sodium-24 b. silicon-28 c. aluminium-24 d. magnesium-25
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