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Endeleev saw trends in the physical and chemical properties of elements when he organized them by
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Agas in a balloon at constant pressure has a volume of 160 ml at -125*c. what is its volume at 29.0*c?
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Schrodinger and heisenberg developed an alternate theory about atomic nature that contradicted some of bohr's model of the atom. how do changes resulting from new technology and evidence affect the reputation of the atomic theory?
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If a sample of radioactive isotopes takes 600 minutes to decay from 400 grams to 50 grams, what is the half-life of the isotope?
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Quand il fait -40 C, mon thermomètre affiche bien -40, mais lorsqu'il fait par exemple -45 C mon the...
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