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Chemistry, 21.06.2019 19:10, PineaPPle663
Nuclear fusion is the source of energy for stars. besides hydrogen, which other element is most likely also common in stars?
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Oil rich countries in the middle east cover about 4% of earths total land area but prossess about 48% of the worlds known oil reserves what is the main reason for high concentration of reserves in this part of the world
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Chemistry, 22.06.2019 18:50, cj31150631
Question 3(multiple choice worth 4 points) (04.04 lc) what does it mean when an element is reduced? it empties a valance shell, reducing its atomic radius. it gains electrons, reducing its overall charge. it increases electronegativity, reducing its ability to bond. it loses electrons, reducing its electron number.
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How many mL of a 0.76 M solution of Ca(NO3)2 are needed to have exactly 0.5 moles of nitrate ions? 2...
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