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At 28.0 °C, the vapor pressure of acetonitrile, CH3CN, is 102.0 torr while that of acetone, C3H6O, is 228.9 torr, and for CS2 the value is 378.7 torr. A three component solution is made by adding 0.300 moles of CH3CN and 0.400 moles of C3H6O to 0.350 moles of CS2. The mixture behaves as an ideal mixture. What is the vapor pressure of the solution?
In the event of a severe and prolonged shortage of petroleum, suggest one alternative fuel that could be used for automobiles. What do you see as the advantages and disadvantages of your choice of alternative fuel?
what is the enthalpy change per mole of ethanole burned. the spacefic heat capacityof H2O is 4.184J/gC
If the reaction of 2.50 g of aluminum with 2.50 g of oxygen produced 3.50 g of aluminum oxide, What is the % yield of the reaction?
A gas is compressed from initial volume of 5.60L to 1.23L by an external pressure of 1.00atm. During the compression the gas releases 128J of hear. What is the internal energy of the gas?
A 4.78 L sample of H2O(g) reacts at a temperature of 375°C and a pressure of 692 mm Hg. How many grams of NH3 can be produced?
On a sheet of paper draw the molecule that fits the given description. From the structure you drew determine the correct IUPAC name.
The Al2O3 does not react. If the sample residue weighs 2.489 g, what is the mass fraction of Fe2O3 in the original sample?
sample of this compound is combusted in excess oxygen and the products are 2.492 g of CO2 and 0.6495 g of H20. Determine the empirical formula of the active ingredient.
Water at 0 degrees C was placed inside a vessel maintained at low pressure by a vacuum pump. After some of the water evaporated, the remainder froze. If 1.2g of water evaporated, how much ice was obtained? Use the heats of vaporization and fusion ..
Assume you have a solution containing two volatile liquids. Given the data for liquid A: MM = 56.89 g/mole, partial pressure = 0.903 atm and for liquid B: MM = 14.52 g/mole, partial pressure = 0.995 atm
If the methane contained in 4.00 L of a saturated solution at 25 C was extracted and placed under STP conditions, what volume would it occupy?
Organic chemists rely heavily on the spectroscopic methods of IR and NMR. Explain in great detail (that means more than 2 or 3 sentences) why the two methods have to be used in tandem to determine
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