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A solution of 75.0 g of benzene (C6H6) and 75.0 g of toluene (C7H8) has a total vapor pressure of 80.9 mmHg at 303 K. Another solution of 100.0 g benzene and 50.0 g toluene has a total vapor pressure of 93.9 mmHg at this temperature.
Find the vapor pressure of pure Benzene at 303 K
A student measured the wavelength of hydrogen's visible red spectral line to be 647 nanometers. Which is a correct numerical setup for calculating the student's percent error.
In a typical experiment, 0.631 g of COCl2 is injected into a flask of volume 472 cc. When equilibrium is established, it is found that the total pressure is 2.175 atm. Calculate K for the reaction.
How many L of N2 gas are produced at STP when the airbag inflates if the airbag contains 132g of sodium nitride?
Each cube measure 2.0 cm on each side.After you carefully lower each cube into the water of its own cylinder, what will the water level be in each cylinder?
Compute the initial pressure of the gas in the cylinder. b. Compute how much heat must be added to the gas in the cylinder for the spring to compress by 2cm
A 0.021 mol sample of a weak acid, HX, is dissolved in 575 mL of water and titrated with 0.41 M NaOH. After 29 mL of the NaOH solution has been added, the overall pH = 6.074. Calculate the Ka value for HX.
An empty Erlenmeyer flask weighs 215.7 g. When filled with water (d = 1.00 g/cm3), the flask and its contents weigh 515.4 g.
what is the concentration of a household ammonia cleaning solution if 49.90 ml of .5900M HCL is required to neutralize 25.00 ml of the solution?
If 18.5 mL of 0.800 M HCl solution are needed to neutralize 5.00 mL of a household ammonia solution, what is the molar concentration of the ammonia
Lead nitrate, Pb(NO3)2, reacts with sodium sulfate, Na2SO4, to make lead sulfate, PbSO4, and sodium nitrate, NaNO3. How much lead sulfate can one make from 65.05 g lead nitrate and 55.02 g sodium sulfate? Explain fully how you came to you answer. I..
Which of the following statements about free radicals is true? Free radicals are considered good because they are good oxidizing agents.
The excess I3 was titrated with 50.00 mL of a 0.02000 M Na2S2O3 solution. What was the mass percent of arsenic trichloride in the original sample?
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