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Chemistry, 21.06.2019 14:30
Find the protons, electrons and neutrons for strontium with a mass of 83
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Calculate the mass of carbon in 97.0 g of sucrose c12h22o11
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If 3 moles of a compound use 24 j of energy in a reaction, what is the a hreaction in j/mol?
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Chemistry, 22.06.2019 20:20
The characteristics of two different types of reactions are shown below: reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of an element. which statement is true about the atoms of the elements that participate in the two reactions? their identity changes in both reaction a and reaction b. their identity changes in reaction a but not in reaction b. their identity changes in reaction b but not in reaction a. their identity remains the same in both reaction a and reaction b.
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