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If a gas has an initial pressure of 101kpa and a volume of 10l, then it expands to a volume of 20l, what is the new pressure?
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What does a numerical subscript following an element in a chemical formula mean?
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In a covalent bond, two atoms are held together by the attraction between . the number of covalent bonds that an atom can form depends on the number of in the atom.
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How do you multiply 108.73 by 222.222...
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