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A sample of 5.20ml of diethylether (C2H5OC2H5; density=0.7134g/ml) is introduces into a 6.40L vessel that already contains a mixture of N2 and O2 whose partial pressures are PN2=0.751atm and PO2=0.209atm. The temp is held at 35.0C and the diethylether totally evaporates.
a) Calculate the partial pressure of the diethylether
b) Calculate the total pressure in the container
If 250 grams of SO2 and 650 grams of Br2 react in the presence of excess water, what mass of HBr will be formed?
Given that B(SiO) 640 kJ/mol, show that bond enthalpy considerations predict that silicon-oxygen compounds are likely to contain networks of tetrahedral with SiO single bonds
What mass of NaOH is needed to precipitate the Cd2+ ions from 44.0 mL of 0.500 M Cd(NO3)2 solution?
A solution is prepared by mixing 85.0 mL of 5.00 M HCl and 25.0 mL of 8.00 M HNO3. Water is then added until the final volume is 1.00 L. Calculate [H+], [OH -], and the pH for this solution.
A metal bulb is filled with 10.2 g of CHCl3 and 0.322 g of CH4 (two gases). What is the total pressure in the bulb if the temperature is 345 C and the volume is 50.0 mL.
If 352 g of magnesium reacts with excess oxygen to produce 296 g of magnesium oxide, what is the percent yield for the reaction?
The concentration of phosphoric acid in Coke is approximately 106.0 mg/mL. Assuming phosphoric acid is the only acid in Coke, calculate the pH of a 355 mL can of Coke.
the solution is 0.55°C lower than the melting point of pure Camphor. Calculate the molar mass of the unknown compound
Determine what concentration of OH - is needed to dissolve 0.015 mol of Zn(OH) 2 zinc hydroxide in a liter of solution
Describe the characteristic infrared absorption frequencies that would allow you to distinguish between the following pairs of compounds.
A balloon is filled to a volume of 7.00 x 102 mL at a temperature of 20.0 oC. The balloon is then cooled at constant pressure to a temperature of 1.00 x 102 K.
At -13.0 °C (a common temperature for household freezers), what is the maximum mass of sucrose (C12H22O11) you can add to 3.00 kg of pure water and still have the solution freeze?
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