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Hydrogen has an atomic number of 1. Helium has an atomic number of 2. How is a mole of hydrogen the same as a mole of helium?
How is a mole of hydrogen different than a mole of helium?
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How many moles of gas are present if p=11 atm, v=12l, t=185k?
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The identities of substances are the same before and after which type of change
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Hydrogen has an atomic number of 1. Helium has an atomic number of 2. How is a mole of...
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