What is the composition in molefractions
At 20oC the vapor pressure of benzene(C6H6) is 75 torr, and that of toluene(C7H8) is 22 torr. Assume that benzene andtoluene form an ideal solution. What is the composition in molefractions of a solution that has a vapor pressure of 33 torr at 20oC?
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The heat of combustion of methane, a component of natural gas, is212 kcal/mol. That of propane, a component of LP gas, is530kcal/mol. On a gram-for-gram basis, which hydrocarbon is the better source of heat energy?
Reginald brown an inspector from the department of weights and measures, weights 15 eighteen ounce cereal boxes of corn flakes. He finds their mean weight to be 17.78 ounces with a standard deviation of .4 ounces.
Calculate the Gibbs free energy of the eutectic melt relative to (a) unmixed liquid Au and liquid Si, and unmixed solid Au and solid Si.
Find the electric field at the center of a square produced by four equal 2 μC charges located at its corners. Also for the same situation, find the electric field at the center if two of the neighboring charges at the corners are -2 μC and t
At 20oC the vapor pressure of benzene(C6H6) is 75 torr, and that of toluene(C7H8) is 22 torr. Assume that benzene andtoluene form an ideal solution.
Two point charges, 5 μC and -8 μC are 1.2 m apart. Where should a third charge, equal to 5 μC, be placed to make the electric field at the midpoint between the first two charges equal to zero?
Ascorbic acid (vitamin C, C6H8O6)is a water-soluble vitamin. A solution containing 81.0g of ascorbicacid dissolved in 230g of water has a density of 1.22g/mL at55oC. What is the mass percentage, the mole fraction,molality, and molarity in this so
Air is compressed in an isentropic process from an initial pressure and temperature of P1 = 90 kPa and T1 = 22 oC to a final pressure of P2 = 900 kPa. Determine the work done per kg of air during the process.
Imagine assembling four equal charges, one at a time, and putting them at the corners of a square. Find the total work done to assemble these if the charges are each 5 μC and the square has 25 cm sides.
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In our readings, we learn more about the nature versus nurture argument. For this discussion, I want you to go in depth a bit more and debate the importance
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Sahir is the most active student in your kindergarten class. He tends to be very disruptive when the teacher you work with is teaching the class,
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