Find solubility of helium in water due to partial pressure
What is the solubility of helium in water at 30 ºC, if its partial pressure above the solution is 350 torr? The Henry's Law constant for helium in water at this temperature is 3.7 x 10-4 M/atm.
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The launch vehicle takes the moon orbiter to a circular orbit around the Earth at 300km altitude. The orbiter is to perform a Hohmann transfer to a Lunar orbit, entering into a circular lunar orbit at 50km altitude.
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What is the molarity of a solution of sodium hydroxide that contains 47.0 g of NaOH in 205.0 mL of solution? Use a molar mass with at least as many significant figures as the data given.
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