Chem 一問,急急急急

👨🏻‍🏫 學術台化學

[匿名]

2012-04-13 1:44 am

我想問1.Galvanized iron同iron比,若與其他野react有冇分別ga?
2.係一個密封ge flask入面,係唔係愈多gas,個pressure愈大?

回答 (2)

Ka ho

2012-04-13 2:07 am

✔ 最佳答案

1)分別好大
galvanized iron=鍍鋅鐵
經過電鍍過程的金屬，是不會輕易被氧化亦難以與外界接觸。Reactivity接近0

2)PV=nRT
P=nRT/V
R係constant;
由此可見 n:no.of mole越多->壓力越大(容器體積保持不變)。

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Billyionaire

2012-04-13 2:18 am

鋅比鐵還活潑...The piece of galvanized iron will react faster than normal iron(actually it's the zinc metal reacting but the iron inside is protected)

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