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An organism had 1,000 grams of carbon-14 (a radioactive form of carbon) in it when it died. how much remains after five half-lives?
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What forms when chemical reactions combine pollution with sunlight?
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What mass of natural gas (ch4) must you burn to emit 276 kj of heat?
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Chemistry, 22.06.2019 23:30
Substance a is a nonpolar liquid and has only dispersion forces among its constituent particles. substance b is also a nonpolar liquid and has about the same magnitude of dispersion forces among its constituent particles. when substance a and b are combined, they spontaneously mix.
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Chemistry, 23.06.2019 00:00
How is the way a mixture is combined different from how a compound is combined?
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An organism had 1,000 grams of carbon-14 (a radioactive form of carbon) in it when it died. how much...
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