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An unknown substance decays from

An unknown substance decays from 14 g to 3 g over a period of 21 days.
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2. asked by CJ
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A radioactive substance decays at a rate of 6% each year if the initial amount of the substance was 600 grams create an
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A chemist is studying an unknown substance and could break the substance into its elemental components only by using chemical
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The radioactive decay of a substance is expressed by A=A^0 e^ -kt, where the initial amount A^0, decays to an amount A after t
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The radioactive decay of a substance is expressed by A=A^0 e^ -kt, where the initial amount A^0, decays to an amount A after t
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a radio actice substance decays so that half of the substance decays every 2 minutes. if 100 g of the substance are present
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2. asked by Angela
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A cylinder with internal diameter of5cm and 15 cm high is filled up with an unknown substance. The mass of the cylinder is 4.6
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Suppose an unknown substance has a melting temperature of 1,200 degrees Celsius and a density of 16.7 g/cm3. However, the
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Suppose an unknown substance has a melting temperature of 1,200 degrees Celsius and a density of 16.7 g/cm3. However, the
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10 of 2010 of 20 ItemsQuestion A radioactive substance decays at a rate of 6% each year. If the initial amount of the substance
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