Chemistry, 25.09.2019 20:50 mexicanvanilla
How many days have passed if 19.2 mg of calcium-47 decayed to 1.2 mg of calcium-47?
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Asample of aluminum foil contains 8.60 × 1023 atoms. what is the mass of the foil?
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Aperfume bottle is dropped in the corner of a room. the odor of the perfume can be detected on the other side of the room. which statement best describes this observation?
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Chemistry, 22.06.2019 15:30
Each of the following reactions is allowed to come to equilibrium and then the volume is changed as indicated. predict the effect (shift right, shift left, or no effect) of the indicated volume change. drag the appropriate items to their respective bins.co(g) + h2o(g) < => co2(g) + h2(g) (volume is decreased) pcl3(g) + cl2(g) < => pcl5(g) (volume is increased) caco3(s)< => cao(s) + co2(g) (volume is increased)
Answers: 1
How many days have passed if 19.2 mg of calcium-47 decayed to 1.2 mg of calcium-47?...
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