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A closed vessel contains an inert gas A at 760 mmHg and60°C. What is the total pressure in millimeters of mercury inside the vessel after a few drops of liquid B are injected and aphase equilibrium is established at 60°C? The vapor pressureof liquid B at 60°C is 80 mmHg.
72.0 ml of a 1.50 M solution is diluted to a volume of 288 mL. A 144 mL portion of that solution is diluted using 185 mL of water. What is the final concentration
With respect to the Cooper pair model, explain why increasing temperature reduces the effectiveness of low-temperature superconductors
Based on the chemistry of an ion-exchange chromotography describe how you will calculate Mpc for your water samples.
the colors of the solutions are red, yellow, green, and blue. Further experiments reveal that two of teh complex ions are paramagnetic with four unpaired electrons and teh other two are diamagnetic. What can be deduced from this information about ..
what is the solubility of CaF2 in a solution that has a equilibrium concentration of .01M EDTA. Ksp (CaF2)= 3.9 x 10^-11, Kf(CaEDTA)=5x10^10
An unknown monoprotic weak acid, HA, has a molar mass of 55.0. A solution contains 2.50 g of HA dissolved 800. mL of solution. The solution has a pH of 2.000. What is the value of Ka for HA
The reaction x = Y is first -order overall and first-order with respect to the reactant x. The result of doubling the initial concentration of X will be to
lactic acid hc3h5o3 is a monoprotic acid that dissociates in aqueous solution. if a solution containing 0.50 m lactic
The enthapy change for this recation is 3.10 x 10^2 kJ/mol. Assuming that all this energy must be supplied by light, what is the maximum wavelength of light that can cause this reaction?
Liquid butane, C4H10, is stored in cylinders to be used as a fuel. Suppose 31.2 g of butane gas is removed from a cylinder. How much heat must be provided to vaporize this much gas. The heat of vaporization of butane is 21.3 kJ/mol.
If a 20.0 °C drop in temperature causes a fortyfold decrease in reaction rate for a certain reaction, what is the activation energy of the reaction
Check that in the collision of two structureless molecules the order of magnitude of the pre-exponential factor is of the same order as that predicted by collision theory. Go on to estimate the P factor for a reaction in which , and A and B are no..
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