用戶4366

用戶149984

回覆: 1

2006-12-11 7:42 pm

有關nernst equation..

[匿名]

回覆: 2

2006-12-11 2:58 am

AC發電機和DC發電機的分別

Sken

回覆: 1

2006-12-11 2:48 am

我想知道如何找transition metals的charge。

vivian

回覆: 1

2006-12-10 11:19 pm

PHY total dosplacement 一問?(急)

�`�M

回覆: 4

2006-12-10 7:36 am

關於量子力學(10點）

[匿名]

回覆: 1

2006-12-10 4:39 am

F.4 MATHS

2003

回覆: 1

2006-12-10 12:38 am

Pure acid 10pts urgent

2003

回覆: 2

2006-12-10 1:19 am

monobasic

winghim

回覆: 1

2006-12-10 1:44 am

li個係咩圖尼嫁?

用戶4173

回覆: 2

2006-12-09 8:42 pm

我們可以利用電把物質電解，那麼能把電解出來的東西再把它們合成在一起嗎??

sai

回覆: 2

2006-12-09 8:10 pm

Current and voltage

用戶11457

回覆: 2

2006-12-09 4:35 am

More difficult question in Science(Please help me!) (15)

doraemonpaul

回覆: 1

2006-12-08 4:33 am

同一條弦線，同一個長度，同一個Tension拉住佢嘅時候，如果每次分別彈果條弦線嘅不同位置，咁每次輸出嘅頻率是否一樣？

用戶11457

回覆: 2

2006-12-08 4:43 am

Ture of False Questions in Science(Please help me) (20)

用戶11457

回覆: 2

2006-12-08 4:45 am

Ture or False Questions in Science(Please help me) (20)

[匿名]

回覆: 1

2006-12-08 2:42 am

如何利用日常用品製二氧化碳????

[匿名]

回覆: 2

2006-12-07 6:20 am

[[Voltage]]...

bubibubi

回覆: 2

2006-12-07 6:18 am

physics question

用戶153167

回覆: 2

2006-12-07 5:00 am

chemical equation

Carmen

回覆: 4

2006-12-06 5:03 am

有關中一綜合科學的問題

Vincent Wong

回覆: 2

2006-12-06 3:05 am

physics(motion)

ying

回覆: 2

2006-12-06 3:28 am

About chemical question

Diana

回覆: 2

2006-12-05 5:19 am

咩係「白努利定理」???

[匿名]

回覆: 1

2006-12-05 4:15 am

有關烴ge計算

章魚

回覆: 18

2006-12-05 2:56 am

一條方程式，求x

hoken

回覆: 1

2006-12-05 2:26 am

咩嘢叫同位素的化學性質相同,二物理性質不同呢??

用戶165429

回覆: 2

2006-12-04 10:47 am

[化學 Chem] form 4 chem question

用戶161677

回覆: 3

2006-12-04 2:20 pm

Exothermic and Endothermic Reactions

用戶105339

回覆: 3

2006-12-03 8:48 pm

Can metal and metal formed compound?

KateBU

回覆: 1

2006-12-03 10:08 pm

About Chemistry

KateBU

回覆: 1

2006-12-03 10:09 pm

About Chemistry

用戶102795

回覆: 1

2006-12-01 6:56 am

電池的問題

[匿名]

回覆: 1

2006-12-01 3:33 am

Motion

Thomas Ho

回覆: 2

2006-12-01 3:22 am

氧化錳(iv)與濃氫氯酸反應的化學方程式

用戶92381

回覆: 2

2006-11-30 5:50 pm

Factorization

Sin Yan

回覆: 1

2006-11-30 3:00 am

F.4 Chem,,,Reacting Masses***plz help!! ~_~

[匿名]

回覆: 2

2006-11-29 5:32 am

Maths Question!!!!

Waldemart

回覆: 1

2006-11-28 6:35 am

Chemistry: What are side reactions??

Ng

回覆: 1

2006-11-28 5:46 pm

hydrolysis的條件?

Ng

回覆: 1

2006-11-28 6:56 pm

點解SO2係最stable state rather than SO??

Ng

回覆: 2

2006-11-28 2:11 am

想問NaOH的Property

Ng

回覆: 3

2006-11-28 2:14 am

有冇分別,呢d鹼

tung

回覆: 1

2006-11-28 2:39 am

點解zinc的化學符號是zn2+

用戶119159

回覆: 2

2006-11-27 5:00 am

Prove

youlikeido

回覆: 3

2006-11-27 6:08 am

中4 math

用戶175683

回覆: 2

2006-11-26 10:55 pm

什麼是亞層

[匿名]

回覆: 2

2006-11-27 2:54 am

Chemistry,atomic structure

MACY

回覆: 1

2006-11-27 4:27 am

CHEMISTRY QUESTIONS

MACY

回覆: 1

2006-11-27 4:28 am

chemistry question

P.T. Patrick

回覆: 1

2006-11-26 2:07 am

F.4 Chemistry - Ionic Equation