Chemistry, 22.04.2020 08:55 haleylayne74
Hydrogen gas is collected over water at 21 degrees Celsius. At 21 degrees Celsius the vapor pressure of water is 18.7 torr. If the barometric pressure is 758 torr, what is the pressure of hydrogen gas?
Answers: 3
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An atomic nucleus is composed ofa)protons.b)protons and neutrons.c)protons and electrons.d)protons, neutrons, and electrons.
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Mercury turns to a vapor at 629.88 k. how much heat is lost when 75.0 g of mercury vapor at 650 k condenses to a liquid at 297 k?
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Calculate the mass of 0.750 mol of the following substance. na3po4. , i'm not quite sure on how to set up the problem to solve! : (
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Hydrogen gas is collected over water at 21 degrees Celsius. At 21 degrees Celsius the vapor pressure...
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