Uncle Michael
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等級
Lv 7
韻嫣
回覆: 1
2007-04-12 6:54 pm
empirical formula
用戶81473
回覆: 1
2007-04-10 2:51 am
丙-1-醇的燃燒熱
Carman
回覆: 1
2007-04-12 8:17 am
有關氖的問題
用戶180460
回覆: 2
2007-04-12 6:48 am
問:離子化合物在通電後,可否分解成它們組成的原素?
Elaine
回覆: 1
2007-04-11 11:31 pm
漂白水發電
用戶99001
回覆: 1
2007-04-11 10:48 pm
幫幫手~!
用戶128130
回覆: 1
2007-04-11 9:16 am
有咩oxide soluble in water 有咩oxide insoluble
Carman
回覆: 1
2007-04-11 8:50 am
有關氖的問題
聶風
回覆: 1
2007-04-11 12:14 am
冷氣為何有抽濕作用??
[匿名]
回覆: 1
2007-04-11 7:34 am
能量和物質結構的關係
用戶5354
回覆: 1
2007-04-11 7:12 am
好難的化學問題
Jasmine
回覆: 1
2007-04-11 6:38 am
ethanoate 既 formula...
Wilson
回覆: 1
2007-04-10 8:05 pm
standard enthalpy change of formation
Wilson
回覆: 1
2007-04-10 8:19 pm
enthalpy change...please help
Wilson
回覆: 1
2007-04-10 8:21 pm
enthalpy change...please help
carolene
回覆: 2
2007-04-10 9:37 pm
f.4 chemistry
Sin Yu
回覆: 1
2007-04-10 9:53 pm
alkalis
Ram2007
回覆: 2
2007-04-10 6:37 pm
E=MC 2 is?
用戶136947
回覆: 1
2007-04-10 6:44 pm
Chem-chemical eqaution(precipitate)
doremi
回覆: 1
2007-04-10 5:58 am
some chem questions!!!!!!!!!!!!!!
用戶96386
回覆: 2
2007-04-10 2:30 am
ce化學!!!!!!!!!!!
STEVIE-G™
回覆: 1
2007-04-10 2:05 am
點解第1族元素既熔點會從上而下遞減??
STEVIE-G™
回覆: 1
2007-04-10 1:59 am
聚酯係咪熱固性塑膠?
Wilson
回覆: 1
2007-04-10 12:19 am
enthalpy change...can anyone help me?
chun yu
回覆: 2
2007-04-09 8:07 pm
chem 送分題~
A student
回覆: 2
2007-04-08 10:38 pm
Chemical nouns
A student
回覆: 2
2007-04-08 9:56 pm
How to make hydrogen from alkali?
[匿名]
回覆: 1
2007-04-08 6:25 pm
請問哪裡可以買到這本練習：chemical calculations and qualitative analysis
Chiu Hung
回覆: 2
2007-04-08 7:02 am
what is the role of sodium hydroxide in saponification?
kaleung
回覆: 1
2007-04-08 4:07 am
chem問題
勇
回覆: 2
2007-04-06 11:20 pm
化學問題!!!help!!
fung
回覆: 2
2007-04-06 10:40 pm
中和作用問題
☆ 天 與 空 ★ ◤
回覆: 1
2007-04-06 7:22 pm
chem Q about alkalis
Silvia
回覆: 1
2007-04-06 6:04 am
f.4.chemistry~
chun yu
回覆: 2
2007-04-06 5:14 am
chem 簡單一問
Kenneth
回覆: 1
2007-04-05 6:32 pm
點解KMnO4唔可以用nitric acid 去acidify?
Kenneth
回覆: 1
2007-04-05 6:31 pm
KMnO4 通常用乜野Acid去acidify?
David
回覆: 1
2007-04-04 6:58 am
[AL CHEM] Dynamic Equilibrium
[匿名]
回覆: 2
2007-04-01 11:07 pm
Chemical equation
教你開智慧
回覆: 2
2007-04-04 2:26 am
constitutional isomers
chun yu
回覆: 1
2007-04-02 6:41 pm
Chem 二問
KanT
回覆: 1
2007-04-02 5:43 am
Rate of Reaction
cho ling
回覆: 1
2007-03-31 8:02 pm
如何減少二氧化氮?(明天要用)
用戶202373
回覆: 2
2007-03-31 7:53 pm
點樣分開ethanol同thanoic acid
Saturday
回覆: 2
2007-03-31 4:24 pm
1994 CE CHEM MC no.6
Saturday
回覆: 2
2007-03-31 4:20 pm
Which of the following reactions would produce a halogen?
Rebecca
回覆: 1
2007-03-31 6:34 am
好複習..救命!!!!!
Saturday
回覆: 1
2007-03-30 6:02 pm
sulphuric acid定nitric acid more volatile?
jc
回覆: 1
2007-03-30 7:56 am
chem - molarity o既問題
Smart
回覆: 1
2007-03-30 5:14 am
about reactions and the colour change
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