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Solve for x in the following expression: 3 / x = 7 a) 2.33 b) 21 c) 4 d) 0.4285
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Which of the following signs of a chemical reaction are observed in the reaction of potassium with water? precipitate formed temperature change smell produced gas produced color change
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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 19:00, Farhan54019
Which change to the system wood cause the freely-moving piston to lower?
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Solve for x in the following expression: 3 / x = 7 a) 2.33 b) 21 c) 4 d) 0.4285...
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