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29-12-2018
Chemistry

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Given the atomic radius of xenon, 1.3 ?, and knowing that a sphere has a volume of 4?r3/3, calculate the fraction of space that Xe atoms occupy in a sample of xenon at STP.

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SFM19613 SFM19613

29-12-2018

r = 1.3 A° = 1.3 × 10^(-10) m
[tex]v \: = \: \frac{4}{3} \pi {r}^{3} [/tex]
[tex]v \: = \: \frac{4}{3} \times 3.1415 \times {(1.3 \times {10}^{ - 10} )}^{3} [/tex]
V = 9.20277208×10^(−30) m.

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