Question 45.e of 45 A sample of helium is initially at 565 torr in a volume of 2.85 L. At 24.7 °C you found the density of He to be 0.122 g/L and the density of Ar to be 1.22 g/L even though both samples had the same number of moles. Which one of the following best explains why the densities are different? A B D Argon is a heavier atom than helium, so it has more mass in the same volume occupied by the gas. Argon is a larger atom than helium so it occupies more volume. An argon atom is more dense than a helium atom. The densities are different only because of rounding.
Question 45.e of 45 A sample of helium is initially at 565 torr in a volume of 2.85 L. At 24.7 °C you found the density of He to be 0.122 g/L and the density of Ar to be 1.22 g/L even though both samples had the same number of moles. Which one of the following best explains why the densities are different? A B D Argon is a heavier atom than helium, so it has more mass in the same volume occupied by the gas. Argon is a larger atom than helium so it occupies more volume. An argon atom is more dense than a helium atom. The densities are different only because of rounding.
Chemistry by OpenStax (2015-05-04)
1st Edition
ISBN:9781938168390
Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Publisher:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Chapter9: Gases
Section: Chapter Questions
Problem 44E: As 1 g of (lie radioactive element radium decays over 1 year. k produces 1.161018 alpha particles...
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Transcribed Image Text:Question 45.e of 45
A sample of helium is initially at 565 torr in a volume of 2.85 L.
At 24.7 °C you found the density of He to be 0.122 g/L and the density of Ar to be
1.22 g/L even though both samples had the same number of moles. Which one of
the following best explains why the densities are different?
A
B
D
Argon is a heavier atom than helium, so it has more
mass in the same volume occupied by the gas.
Argon is a larger atom than helium so it occupies
more volume.
An argon atom is more dense than a helium atom.
The densities are different only because of
rounding.
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