Chemistry, 05.08.2019 18:30 jasmine2555
Ablimp floats because it is filled with helium gas (he) which has a smaller molecular mass than air (in g/mol). helium can lift objects because it exhibits a buoyant force equal to the difference in grams/mol. at room conditions (p = 1 atm, t = 25 degrees celsius) what volume of helium would lift a pound? (a) 611 l(b) 37.3 l(c) 444 l(d) 2777 l
Answers: 3
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Express the following number in scientific notation. 0.026890 =
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What is the pressure of 0.500 moles of carbon dioxide gas in a 2.5 l tank and at a temperature of 301 k? (r=0.0821 l·atm/mol·k) 3.08 atm 1.2 atm 0.23 atm 4.01 atm 4.94 atm
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Ablimp floats because it is filled with helium gas (he) which has a smaller molecular mass than air...
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