Partial pressures of helium and argon
A 295- flask contains pure helium at a pressure of 757 . A second flask with a volume of 460 contains pure argon at a pressure of 713. What are the partial pressures of helium and argon? What is the total pressure?
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A balloon contains 0.140 g of helium at a pressure of 1.00 atm. At what temperature will the balloon have a diameter of 12.8 centimeters. Assume the balloon takes the shape of a sphere. Give your answer in degrees celcius.
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The pollutant has a reaction rate coefficient K of 0.25/day. Assuming the pollutant is well mixed in the lake, find the steady-state concentration of pollutant in the lake.
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