Chemistry, 12.10.2019 09:30 jjmarie612
Cesium-137 has a half-life of 30 years. you find a sample with 3 g of cesium-137. how much cesium-137 existed in the sample 90 years ago?
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One of the cell membrane's functions is to protect the cell keep wastes in the cell create new cells keep light out of the cell
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What mass of carbon dioxide is produced from the complete combustion of 4.50×10−3 g of methane?
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Which liquid (h2o, h2o + soap, or h2o + salt) has the strongest cohesion and adhesion? (need now plz)
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Many free radicals combine to form molecules that do not contain any unpaired electrons. the driving force for the radical–radical combination reaction is the formation of a new electron‑pair bond. consider the chemical equation. n(g)+no(g)⟶nno(g) n(g)+no(g)⟶nno(g) write lewis formulas for the reactant and product species in the chemical equation. include nonbonding electrons. n(g)n(g) select draw rings more erase select draw rings more erase select draw rings more erase n no(g)
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Cesium-137 has a half-life of 30 years. you find a sample with 3 g of cesium-137. how much cesium-13...
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