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The kinetic energy of a ball with a mass of 0.5 kg and a velocity of 10 m/s is
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7. what temperature is need to just dissolve 50 g of nh4cl in 75 g of water? '
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How many atoms of mg are present in 97.22 grams of mg? 6.022 × 1023 2.408 × 1024 4.818 × 1024 5.855 × 1025
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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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Chemistry, 22.06.2019 22:30
Which process describes vaporization that takes place below the surface of a liquid? condensation melting boiling evaporation
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The kinetic energy of a ball with a mass of 0.5 kg and a velocity of 10 m/s is...
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