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  1. At both ends , the iron structure is sharp and strained and easily loses electrons (anode) while in the ...

    分類:科學及數學 > 化學 2014年02月28日

  2. ... in 1987 and officially ended on February 27, 1998...electronic engineering and the manufacture of Apple'..., Motorola, Sharp , and Digital ...

  3. end point is the point that we recognized the reaction is completed...orange and phenolphthalein are available besides, you should know that at end pt. the solution no longer neutral but it is ok easier...

    分類:科學及數學 > 化學 2012年03月26日

  4. ...put in it => rinse by solution => keep molarity (conc. 3. the point that u can observe the sharp colour change => usually already slightly acidic/alkaline (we cannot recognize...

    分類:科學及數學 > 化學 2012年03月14日

  5. ... observed. When the diode is non-conducting, the lower end of the diode is at earth potential (0 v), whereas the upper end is at below...

  6. ...titration with iodine is reduced. 3. The colour change for end point is not sharp enough if the starch indicator is not added. Although the brown colour...

    分類:科學及數學 > 化學 2012年01月22日

  7. ...properly chosen, equivalence point is equal to end -point. just keep in mind that their ...html 2. color change can only be observed when the chgange is sharp . from red to orange, it's not so obvious; from red...

    分類:科學及數學 > 化學 2011年02月17日

  8. .... Sharks love swallow ends and local areas, you can also find... eat basically anything in the ocean like smaller fish. ...in colour, with lots of sharp teeth. 圖片參考:http://upload...

    分類:環境 > 其他 - 環境 2010年12月07日

  9. ...indicator is not required. think about the function of indicator ---- to produce sharp and obvious color change when end -point is reached. see the reactants. permanganate is deep-violet in color. at the end -point, when permanganate...

    分類:科學及數學 > 化學 2010年10月26日

  10. 1. Consider the vertical motion of the spiderUsing equation of motion: s = ut + (1/2).a.t^2with...0.073 + (1/2).(-10).(0.073)^2] m i.e. s = 0.012 m = 12 mm 2. Consider the vertical motion of the skier. Use equation of motion: v^2 = u^2 + 2.a.s with...