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Astudent reacts 13 moles of iron with 21 moles of oxygen according to the following equation:
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Why does earth rotate? because earth is formed from cold gases collapsing due to gravity because the matter in the nebula that formed earth was spinning because earth forms more than 99% of the mass of the solar system because the hydrogen atoms inside the nebula fused to form helium
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Chemistry, 22.06.2019 15:50
Elements in group 2 are all called alkaline earth metals. what is most similar about the alkaline earth metals?
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Classify each of the substances as a mixture, a compound, or an element ammonia neon copper -g...
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