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  1. ... work. Conventional ovens heat up the air inside the oven first then heat up the surface of the food and then heat up the inside. Microwave ovens...

    分類:科學及數學 > 化學 2007年10月17日

  2. ... Jeng The quote above sums up very well the reason why it is so difficult to find a.... So, in order to answer the question, you first need to define it specifically. However, any ...

    分類:科學及數學 > 化學 2007年10月11日

  3. ... example, Fe2+ + Ag+ -------> Fe3+ + Ag One electron is given up by Fe2+ to become Fe3+(oxidation), this electron is captured...

    分類:科學及數學 > 化學 2007年08月31日

  4. ...significantly faster than the 2nd one as given by the question. As the first step is already very fast, varying..., increase if you can speed up the 2nd step, you can speed up the overall reaction...

    分類:科學及數學 > 化學 2013年06月24日

  5. ... history book remarks that he was the first man to sail around the world.) Q3 Answer...high pressure and temperature. It is made up of heavy metals like iron and nickel, so the high conductivity...

    分類:科學及數學 > 化學 2008年08月08日

  6. ...can react with silver and copper with heat. In the reaction, Silver will give up electrons and become Silver Ion; Copper will also...

    分類:科學及數學 > 化學 2009年11月07日

  7. ...the similarities, they can show up their acidic property in some ...in which carbon dioxide gas is given out in both cases. (2) ... to all samples, the one giving out greenish yellow gas with...

    分類:科學及數學 > 化學 2007年06月20日

  8. ...avoid it from sunlight, because UV light presented in sunlight will speed up the decomposition of nitric acid. (UV gives energy to undergo decomposition.) 4HNO3(aq) → 2H2O(l) + 4NO2(g...

    分類:科學及數學 > 化學 2007年02月06日

  9. ...we do not seperate matters. We just like up what we've got. Like the dichlorine... a colvalent bond, we think of them each giving one electron for bonding between them, the chlorine...

    分類:科學及數學 > 化學 2007年05月07日

  10. ...area between each of the carbon chains is. The carbon chain can lie up beside one another without any difficulty.(躺在大家隔離). The van der waals' force...

    分類:科學及數學 > 化學 2007年10月12日