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Chemistry, 22.06.2019 07:30, bbyniah123
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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Chemistry, 22.06.2019 12:30, ethanw8973
If 22.5 liters of oxygen reacted with excess of hydrogen, how many liters of water vapor could be produced?
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How many grams of CO2 ( Carbon dioxide gas ) will exert a pressure of 769 mmHg at a volume of 52.3L...
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