Chemistry
Chemistry, 17.07.2019 10:40, jayjay2006

What is the mass in grams of a sample of 7.83 x 10^24 atoms of helium?

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Chemistry, 13.07.2019 09:00, avablender
How does a sample of helium at 15 °c compare to a sample of helium at 215 k? the helium at 15 °c has a higher average kinetic energy than the sample at 215 k. the helium at 15 °c has lower nuclear energy than the sample at 215 k. the helium at 15 °c has slower-moving atoms than the sample at 215 k. the helium at 15 °c has smaller atoms than the sample at 215 k.
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Chemistry, 13.07.2019 09:30, neariah24
How does a sample of helium at 15 °c compare to a sample of helium at 215 k? the helium at 15 °c has a higher average kinetic energy than the sample at 215 k. the helium at 15 °c has lower nuclear energy than the sample at 215 k. the helium at 15 °c has slower-moving atoms than the sample at 215 k. the helium at 15 °c has smaller atoms than the sample at 215 k.
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Chemistry, 10.08.2019 00:10, genyjoannerubiera
How does a sample of helium at 15 °c compare to a sample of helium at 215 k? a. the helium at 15 °c has a higher average kinetic energy than the sample at 215 k. b. the helium at 15 °c has lower nuclear energy than the sample at 215 k. c. the helium at 15 °c has slower-moving atoms than the sample at 215 k. d. the helium at 15 °c has smaller atoms than the sample at 215 k. i think the answer is a, but i'm not sure.
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Chemistry, 22.09.2019 20:30, priarm8799
What is the mass, in grams, of a sample of 7.83 × 1024 atoms of helium (he)?
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