[化學] 問問題..請幫各忙..感謝~~

看板TransBioChem作者 (let it be...)時間18年前 (2007/06/26 19:40), 編輯推噓1(104)
留言5則, 2人參與, 最新討論串1/1
A cell is constructed as follows: Zn|0.1M ZnSO4 ||0.1M KMnO4,0.01M Mn2+,[H+]=1.0M|Pt Write the balanced cell reaction? 陽極:Zn-->ZnSO4 +2e- 陰極:KMnO4 +5e--> Mn2+ balanced reaction:5Zn+2KMnO4-->5ZnSO4+2Mn2+ ????是這樣嗎~~~ -- wish..與現實相反的假設語氣.. -- ※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 220.135.113.220

06/26 20:03, , 1F
陽極 Zn →Zn2+ + 2e-
06/26 20:03, 1F

06/26 20:04, , 2F
陰極 MnO4- + 8H+ + 5e-→ Mn2+ + 4H2O
06/26 20:04, 2F

06/26 20:04, , 3F
兩式再相加 就是淨反應式了
06/26 20:04, 3F

06/26 20:05, , 4F
旁觀離子不寫沒關係
06/26 20:05, 4F

06/27 18:57, , 5F
瞭解..感謝啦~~
06/27 18:57, 5F
文章代碼(AID): #16WFiLdj (TransBioChem)