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A solution is made by dissolving 0.545 mol of nonelectrolyte solute in 817g of benzene. Calculate freezing point and boiling point of solution.
kf=5.12 celcius/m kb=2.53celcius/m
What is the pH of Sodium Acetate solution before the HCL is added and after the HCL is added?
Celsius and -125 degrees Celsius , respectively. Calculate the entropy changes for fusion ( solid to liquid) and vaporization (liquid to gas ).
This solution was back-titrated with a 0.0440 M Ga3 solution until all the EDTA reacted, requiring 12.0 mL of the Ga3 solution. What was the original concentration of the V3 solution?
Calculate the amount of heat required to completely sublime 23.0g of solid dry ice (CO2) at its sublimation temperature
a gas sample occupies 4.20 l under a pressure of 800 torr at 350K.At what temperature will it occupy 3.60 L at the same pressure?
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.
Please explain, in deatail, how you would go about experimentaly determining the mechanism of the following reaction
It is the potential energy diagrams with the activation energy. When the question asks to circle the largest rate constant and smallest rate constant
A 270- mL flask contains pure helium at a pressure of 749 torr. A second flask with a volume of 470 mL contains pure argon at a pressure of 730 torr what is the partial pressure of He?
A chemical plant produces an ammonia-rich waste gas that cannot be released as-is into the environment. One method to reduce the ammonia concentration in the waste gas is to bubble the waste gas through a liquid solvent.
Calculate the molecular weight of the compound? Given that Kf=1.86 and the compound in not ionic.
Iron has a density of 7.9 g/ cm3. What is the mass of a cube of iron with the length of one side equal to 55.0 mm.
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