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Si hay luna nueva a la media noche del 1 de octubre, ¿cuando ocurrirá la próxima luna nueva?
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The msds for glacial acetic acid says that it is a flammable liquid that can severely burn any human tissue it comes in contact with. it reacts with bases, various metals, and strong oxidizing agents. its vapors can form explosive mixtures with air.
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What is the relative mass of an electron? a) 1/1840 the mass of a neutron + proton b) 1/1840 the mass of an alpha particle c) 1/1840 the mass of a c-12 atom d) 1/1840 the mass of a hydrogen atom
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Si hay luna nueva a la media noche del 1 de octubre, ¿cuando ocurrirá la próxima luna nueva?...
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