呢個實驗叫iodine clock reaction
加一定量S2O32-係為左同reaction initial產生既I2 react
要I2到達某個產量 react曬所有S2O32-
後續產生既I2先會同starch react form dark blue color
即係S2O32-拖延左turn dark blue果下
令個實驗唔會次次一mix埋就即時變色
更準確地compare唔同trial既rate
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ykc
2019-3-7 15:25:42
此回覆已被刪除
一杯凍檸茶
2019-3-7 16:05:35
:^(
2016 q3mc
(3)個個陳述有啲唔係好明
Occupied electron shell 唔係應該指fulfilled 左嘅electron shell ?但Rb最外層得兩粒,個兩粒嘅個層shell都計occupied electron shell?
S2O82- + 2Fe2+ -> 2SO42- + 2Fe3+
2I- + 2Fe3+ -> I2 + 2Fe2+
行邊個step先都得
呢個實驗叫iodine clock reaction
加一定量S2O32-係為左同reaction initial產生既I2 react
要I2到達某個產量 react曬所有S2O32-
後續產生既I2先會同starch react form dark blue color
即係S2O32-拖延左turn dark blue果下
令個實驗唔會次次一mix埋就即時變色
更準確地compare唔同trial既rate