Yahoo奇摩 網頁搜尋

  1. 0. " conduct " or "generate" ? 1. electrical conductance depends on medium's ability to transfer charges from one end to another. in fruits, elemental metals are not present, so...

    分類:科學及數學 > 化學 2011年02月11日

  2. ... me that approximately, if there are 1000 water molecules, only one ionizes. The concentration of H+ and OH- is so small that water cannot conduct electricity well . However, I believe that water conducts electricity at high voltage...

    分類:科學及數學 > 化學 2008年02月18日

  3. ...10-09 20:49:39 補充: you must learn the concept of HEAT CAPACITY first

    分類:科學及數學 > 化學 2007年10月16日

  4. ... by the cathode, and hydrogen gas is formed, as well as gains one electron. In this way, the sodium chloride solution seems conduct electricity, but itself is composed. If you ...

    分類:科學及數學 > 化學 2007年02月07日

  5. ...temperature , there will be two states: one is in aqueous solution HCl...for people who do not study Chem well Properties of HCl...paper to red colour. It can conduct electricity too. However, for...

    分類:科學及數學 > 化學 2007年10月17日

  6. ...doesn't conduct heat or electricity as well as other members of its.... For example, metals conduct electricity because the shared ...move about; taking an electron from one part of the metal will cause electrons...

    分類:科學及數學 > 化學 2006年12月15日

  7. ... present in the second part. In the first part of experiment, some solid citric acid and calcium carbonate... to a test tube and are mixed well . Record the observations. It...

    分類:科學及數學 > 化學 2009年02月16日

  8. ...water freezes and the process of conducting heat away from the water is... "At first sight, the question is quite simple... quote above sums up very well the reason why it is so difficult...

    分類:科學及數學 > 化學 2007年10月11日

  9. ...to 3M NaCl solution as well . As O2 bubble is...while O2 is not electrical conducting , the potential on the surface increase (the...- is discharged first even over potential occur due to probability...

    分類:科學及數學 > 化學 2013年01月31日

  10. ...such as iron, copper, and gold. Metals typically conduct electricity and heat well , and they are malleable and ductile.[4] ... together. Mixtures contain more than one chemical substance, and they do not have a fixed...

    分類:科學及數學 > 化學 2007年01月08日