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  1. ...the conservation of mass principle. However, its density does change attributed to the increased volume. As a result, ice floats. Original...

    分類:科學及數學 > 化學 2008年02月29日

  2. ... nitrate has an extra line in the spectrum at 171.7cm-1 which is attributed to the Hg-Hg bond. Homonuclear stretching of a diatomic...

    分類:科學及數學 > 化學 2007年09月02日

  3. ... bi-functional, meaning that 1 mole of each reactant reacts to give 2 mole of water: nCH2OH-CH2OH + nC6H4-(COOH...

    分類:科學及數學 > 化學 2010年09月19日