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Chemistry, 22.06.2019 12:30
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Chemistry, 22.06.2019 17:00
The biosphere of the earth is made up of what compound? organic or inorganic?
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Chemistry, 23.06.2019 00:30
When a beta particle is emitted, the mass number of the nucleus a. decreases by one b. increases by one c. remains the same d. decreases by two
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Chemistry, 23.06.2019 04:31
Areaction is first order. if the initial reactant concentration is 0.0200 m, and 25.0 days later the concentration is 6.25 x 10-4 m, then its half-life is:
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How many miles are in 8.76 g of SrF2...
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