F5 Chem試前一堆唔明

👨🏻‍🏫 學術台化學

Anonymous

2011-05-21 6:37 pm

1. Positive electrode = positive terminal?
2. 一睇Enthalpy cycle 同 Enthalpy level diagram就唔明想做咩, 題目有咩共通點可以記住, 失少d分?

更新1:

Cathode = positive electrode?

更新2:

個website愈睇愈唔明-_-!!!

更新3:

I don't know how to find the enthalpy change using algebraic method.

回答 (2)

知識就是力量

2011-05-21 9:57 pm

✔ 最佳答案

1. Positive electrode and positive terminal are the same term.

But for Cathode = Positive electrode? It is not really at all.
In chemical cell, it is correct.
In electrolytic cell, it is incorrect because positive electrode is for anode.

2. You may refer to below website:
http://hk.myblog.yahoo.com/willfung777

2011-05-21 17:08:01 補充：
Do you know how to find the enthalpy change using algebraic method...?

2011-05-22 16:57:22 補充：
Please take a look into it.
http://i453.photobucket.com/albums/qq252/tomchan1216/ScreenHunter_01May221655.jpg

參考: 唔順超，過兩招！ + Knowledge is power

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[匿名]

2011-05-22 6:18 am

Cathode係cation去既地方
cation帶正電荷所以cathode係陰極所謂既-ve electrode

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收錄日期: 2021-04-25 17:04:40
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