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Home Q & A Board Science-Related Homework Help Chemistry (Moderator: Laser_3)
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pharmdwannabe pharmdwannabe
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5 months ago
A 3.0-L sample of helium was placed in container fitted with a porous membrane. Half of the helium effused through the membrane in 24 hours. A 3.0-L sample of oxygen was placed in an identical container. How many hours will it take for half of the oxygen to effuse through the membrane?

▸ 8.5 h

▸ 12 h

▸ 48 h

▸ 60. h

▸ 68 h
Textbook 
Chemistry: Atoms First

Chemistry: Atoms First


Edition: 4th
Author:
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dmp7474dmp7474
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5 months ago
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pharmdwannabe Author
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5 months ago
Thank you, thank you, thank you!
jaray75
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Yesterday
Just got PERFECT on my quiz
Jose^2
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2 hours ago
this is exactly what I needed
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