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6 Oct 2020
Each of four flasks is filled with a different gas. Each flask has the same volume, and each is filled to the same pressure, 3.0 atm, at 25 oC. Flask A contains 116 g of air, flask B has 80.7 g of neon, flask C has 16.0 g of helium, and flask D has 160 g of an unknown gas.
(a) Do all four flasks contain the same number of gas molecules? If not, which one has the greatest number of molecules?
(b) How many times heavier is a molecule of the unknown gas than an atom of helium?
(c) In which flask do the molecules have the largest kinetic energy? The highest rms speed?
Each of four flasks is filled with a different gas. Each flask has the same volume, and each is filled to the same pressure, 3.0 atm, at 25 oC. Flask A contains 116 g of air, flask B has 80.7 g of neon, flask C has 16.0 g of helium, and flask D has 160 g of an unknown gas.
(a) Do all four flasks contain the same number of gas molecules? If not, which one has the greatest number of molecules?
(b) How many times heavier is a molecule of the unknown gas than an atom of helium?
(c) In which flask do the molecules have the largest kinetic energy? The highest rms speed?
Coleen AmadoLv10
29 Dec 2020
