Chemistry, 19.08.2021 20:50 charlesiarenee0
Which statement about pure substances and molecules is correct?
Pure substances cannot be molecules.
All pure substances are molecules
All molecules are pure substances
Molecules cannot be pure substances
Answers: 3
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Avariable that is not being directly tested during an experiment should be
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Hydrogenation reactions, in which h2 and an "unsaturated" organic compound combine, are used in the food, fuel, and polymer industries. in the simplest case, ethene (c2h4) and h2 form ethane (c2h6). if 140 kj is given off per mole of c2h4 reacting, how much heat (in mj) is released when 12 kg of c2h6 forms?
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Which statement about pure substances and molecules is correct?
Pure substances cannot be molecule...
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