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What kind of chemical change do you think occurs when a banana peel turns brown in the open air? explain.
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11. phosphorus-32 is radioactive and has a half life of 14 days. how much of a 124 mg sample of phosphorus-32 is present after 56 days? a) 7.75 mg b) 15.5 mg c) 31.0 mg d) 62.0 mg
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Convert the temperature of dry ice, –77 ∞c, into degrees fahrenheit and kelvin.
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Calculate the mass of 0.750 mol of the following substance. na3po4.
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What kind of chemical change do you think occurs when a banana peel turns brown in the open air? ex...
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