Chemistry, 25.08.2019 04:00 maxy7347go
Who wrote the first modern chemical textbook? antoine lavoisier dmitri mendeleev henry moseley johann dobereiner
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Which is the layer underground where all empty spaces are filled with a combination of air and water ?
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Chemistry, 21.06.2019 22:30
Ibeg i need 20. a reaction produces 4.93 l of oxygen, but was supposed to produce 1 mol of oxygen. what is the percent yield?
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Which of the following describes a situation where competition between producers exists
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Chemistry, 22.06.2019 17:00
Reduction is a reaction which results in a in electrons and a in positive charge of the atom or ion 1) a- loss 1) b- gain 2) a-increase 2) b-decrease
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Who wrote the first modern chemical textbook? antoine lavoisier dmitri mendeleev henry moseley joha...
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