Chemistry, 11.05.2021 19:30 michael11948
What is the pH of a solution if the hydroxide ion concentration is 1 x 10-7 mole per liter?
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If a planet rotates 360 degrees during a 24 hour time period, what does that tell us about the planet? a. the middle of the planet is in darkness b. the seasons on the planet vary every day. c. the planet runs on a 12-hour time clock. d. the temperature on the planet varies daily.
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The continuous release of nuclear energy caused when one fission reaction triggered more nuclear reactions is a
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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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What is the pH of a solution if the hydroxide ion concentration is 1 x 10-7 mole per liter?...
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