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If the mole fraction of benzen in a particular benzen-toulene solution is 0.64, what is the mole fraction of benzen in the vapor phase of equilibrium with that solution? My teacher says answer is 0.87. I don't how he got that answer??
determine what is the percent by mass of sodium phosphate in a 0.142m na3po4aq solution? if it is given that it has a
For the reaction 3 C2H2=C6H6 at 25c the standard enthalpy change is -631 kJ and the standard entropy change is -430 J/K
An unknown gas is held in 2 separate containers with identical number of moles of gas. The volume of container 2 is 0.347 L and has a pressure of 0.315 atm. The volume of container 1 is 1.145 L. What is the pressure of the unknown gas in container..
A 890 mL sample of NO2 gas is at STP. If the volume changes to 644 mL and the temperature changes to 20ºC, what will be the new pressure in atmospheres?
Stepwise mehcanism for the reaction of 3-methyl-3-hexanol with HCl to form 3-chloro-3-methylhexane
calculate the milliliters of 0.124 M KOH required to neutralize 46.0 mL of 0.200 M HNO2-?
While in Europe, if you drive 107 km per day, how much money would you spend on gas in one week if gas costs 1.10 per liter and your car's gas mileage is 26.0.
how a water molecule (point group C2V) would look if it was rotated C2 about each of the x, y, and z axes and if you can draw a picture. The character table would define these rotations as Rx, Ry, and Rz.
A 32.0 g sample of liquid water at 21.0C absorbs 2276 J of heat energy. What will be the final temperature of the water? The specific heat of liquid water is 4.185 J/gC.
Pour 25 ml of acetone regent grade into the flask as well as add 6.0 g of sodium iodide and 5.2 g of 1-bromobutane. CH3CH2CH2CH2Br + BrI -------> CH3Ch2CH2Ch2-I + NaBr
The addition of s^2- ion to Fe(OH)2(s) results in the formation of FeS(s). Explain why the addition of S^2- ion to Cr(OH)3(s) does not result in the formation of Cr2S3(s)
magnesium reacts with ironiii chloride to form magnesium chloride and iron.3mgs 2fecl3s gt 3mgcl2s 2fesa mixture of
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