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Question- At a given temperature, you have a mixture of benzene (vapor pressure of pure benzene = 745 torr) and toluene (vapor pressure of pure toluene = 290 torr). The mole fraction of benzene in the vapor above the solution is 0.590. What is the mole fraction of toluene in the solution?
NOT: 0.213
The correct answer is 0.641. How do you get there?
If possible just a brief explanation how you got the answer?
A solution is prepared by dissolving 100.4g sucrose (C12H22O11) in 0.554 kg of water. The final volume of the solution is 570mL. Compute the percent by mass of sucrose in this solution.
Given the equilibrium constants below: (1/2) N2(g) + (1/2) O2(g) NO(g) Kc= 4.8*10^(-10) 2 NO2(g) 2 NO(g) + O2(g) Kc= 1.1*10^(-5) What is the equilibrium constant for: 2 NO2(g) N2(g) + 2 O2(g) Kc=?
Drain cleaner dissolves a hair clog in a bathroom drain. Is this a chemical or physical change
How many milligrams of Ni would be plated on the cathode if a current of 0.20 A is drawn for 2.8 hrs? mg Ni b) What is [Cr3+] when [Ni2+] has dropped to 10-4 M? [Cr3+] = c) What is the cell potential at the conditions described in Part b E = V
calculate the mass of Cl2 consumed if the battery delivers a constant current of 853 A for 28.0 min.
What volume of oxygen is needed to react with solid sulfur to form 6.20 L of sulfur dioxide?
Synthesis of Nylon: Relative Reactivities of Acid Chloride, Acid Chlorides are known to be reactive towards water, however successful polymer preparation can be made with 5% aqueous
Compute the wavelength and the frequency of the photon emitted if an electron in a one dimensional box of length 10.0 angstroms (1.00x 10-9 m) makes a transition from n=2 to n=1 as well as the energy difference is entirely converted into the energ..
Given a mean free path, comment on the appropriateness of using the ideal gas law to determine the number density of a sample at a critical point.
C3H8(g)+5O2(g)->3CO2(g)+4H2O If 465 mL of oxygen at STP is used in the reaction, what volume of CO2 measured at 37 degrees C and 0.973 atm, is produced?
If the sign contains neon at a pressure of 1.78 at 38, how many grams of neon are in the sign
If the symbol X represents a central atom, Y represents outer atoms, and Z represents lone pairs on the central atom, the structure. Classify these structures by the hybridization of the central atom.
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