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1. An aqueous solution is made by placing 0.033 moles of Ba(IO3) in 1.000L of water (K=1.57×10-9ignoring activity) Calculate the solubility of the solution when activity coefficients are used. (Hint: determine the ionic strength)
2. What are spectator ions and how do they shift the equlibria?
What mass of Fe(OH)3 would be produced by reacting 75.0mL of a 0.0810M Fe(NO3)3 solution with 125 mL of a .150 M NaOH solution.
A small bubble rises from the bottom of a lake, where the temperature and pressure are 8ºC and 6.4 atm, to the water's surface, where the temperature is 25ºC and pressure is 1.0 atm.
A researcher determines that 744 J of energy needed to vaporize a 355-mg sample of a liquid at its boiling point. Determine the heat of vaporization and heat of condensation of the substance
The pH of a 300 gram solution of NaOH is 12.97. The density of the solution is 1.10 g/mL. How many grams of NaOH are in the solution
the structure Y---X---Y (2 lone pairs around X) could be abbreviated as XY2Z2. Classify these structures according to their shape.
How much of a 6.0 M sucrose solution should be used to make 79.0 mL of a 0.055 M solution.
A titanium rod of length 10 cm and circular diameter of 2 cm is pulled in tension with a load of 100000 N. The rod elongates by 0.01 cm under the load but recovers to its original length when the load is released.
When a 0.6333-g sample of a compound of carbon, hydrogen and sulfur was burned in excess oxygen, 0.9272 g CO2, 0.3795 g H2O and 0.6749 g SO2 were obtained. In a separate experiment, it was found that, for fixed temperature and pressure
A solution contains 2.0×10-4 M Ag+ and 3.6×10-2 M CO32-. Determine Qsp for Ag2CO3. Will Ag2CO3(s) precipitate? [Ksp for Ag2CO3 is 8.1×10-12]
What is the price of a 5.4 microgram piece of copper, if copper sells for $0.15 per cubic inch and has a density
Sample has a mass of 0.171 g at a pressure of 761 mm Hg and a temperature of 32oC. What is the molar mass of the gas? R=0.0821 L atm / mol K
When the valve between the 2.00 L bulb, in which the gas pressure is 3.00 atm, and the 3.00 L bulb, in which the gas pressure is 2.50 atm, is opened, what will be the final pressure in the two bulbs?
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