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What is the volume in L of 6.7207x105 μg helium gas if its density at a given temperature and pressure is 0.164 g/L?
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Asingle atom of an element has 21 neutrons, 20 electrons, and 20 protons. which element is it? ok o z
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Two solids are mixed in a flask and stirred. after a few minutes, the flask becomes cold. which of the following best describes this reaction? a. an exothermic reaction b. a combustion reaction c. an endothermic reaction d. a decomposition reaction
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What is the volume in L of 6.7207x105 μg helium gas if its density at a given temperature and pressu...
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