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At 60 degrees C the vapor pressure of pure benzene is 388mmHg and that of pure toluene is 137mmHg. Calculate the mole fraction of benzene in a solution of benzene and toluene that has a total vapor pressure of 266mmHg at 60 degrees C.
A 12.0 gas cylinder has been filled with 5.40 moles of gas. You measure the pressure to be 5.00 atm. What is the temperature inside the tank? Express your answer numerically in degrees Celsius.
What is the pH of the buffer after the addition of 0.02 mol of NaOH? C)What is the pH of the buffer after the addition of 0.02 mol of HI? Express Numerically
An 8 g of SO3 was placed in an evacuated container where it decomposed at 600 degrees Celsius. At equilibrium, the total pressure and density were 1.8 ATM and 1.6 g/L. Calculate constant pressure.
what are the concentrations of each component If a 10.00L vessel has 2.50 mol CO 2 and H 2 O, and 5.00 mol CO 2 and H 2 gas at 588°K, (Kc = 31.4 at 588°K), at equilibrium?
Acetominophen is a weaker acid than carbonic acid but asprin is a stronger acid than carbonic acid. prepare the flow chart diagram like the one in this experiment, showing the procedure that can be used to separate the a mixture of sucrose, aspiri..
The solubility product of PbBr2 is 8.9x10^-6. Determine the molar solubility in 0.20M Pb(NO3)2 solution
In a gravimetric chloride lab, a source of error was that the precipitate was washed to remove the adsorbed Ag+1 ions. assume that it was washed with a total of 60mL of pure water.
what is the temperature change if 84 joules of heat are added to a pure gold coin with a mass of fifteen grams? it is
A sample of 88.0 g CO2 is held at 291 K in a 50.0 L container. What is the pressure this gas exerts on the container. Express your answer in kPa. Enter only a numerical value
A 18.8-g mixture of nitrogen and carbon dioxide is found to occupy a volume of 13.5 L when measured at 759.1 mmHg and 25.6oC. What is the mole fraction of carbon dioxide in this mixture?
The vapor pressure of water is 28.3 torr at 29°C then determine what is the partial pressure of oxygen collected if a reaction at that temperature produces Carbon Dioxide which is collected over water at a total pressure of 576 torr, ?
Calculate the change of volume of the cube at a depth of 1.000 km (disregarding the effects of temperature). Take the mean density of sea water as 1.03 g/cm3
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