Chemistry, 22.10.2020 17:01 hurtadocrv
The half life of oxygen is 2 minutes. What fraction of a sample of 0.15 will remain after 5 half lives?
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Chemistry, 21.06.2019 22:00
Which function is performed by earths atmosphere? a. ultraviolet rays are prevented from reaching the ozone layer. b. earths temperature is raised and moderated by trapping in heat c. charged particles from the sun are prevented from reaching earth. d. magnetic charges from space are prevented from reaching earths surface.
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Chemistry, 23.06.2019 03:00
The size (radius) of an oxygen molecule is about 2.0 ×10−10m. make a rough estimate of the pressure at which the finite volume of the molecules should cause noticeable deviations from ideal-gas behavior at ordinary temperatures (t= 300k ). assume that deviatons would be noticeable when volume of the gas per molecule equals the volume of the molecule itself.
Answers: 3
The half life of oxygen is 2 minutes. What fraction of a sample of 0.15 will remain after 5 half liv...
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