English Deutsch Français Italiano Español Português 繁體中文 Bahasa Indonesia Tiếng Việt ภาษาไทย
All categories

Chemistry - November 2006

[Selected]: All categories Science & Mathematics Chemistry

Need it! it's urgent!

2006-11-20 03:04:41 · 2 answers · asked by anitokyomics 2

2006-11-20 02:53:32 · 3 answers · asked by ANGELIC F 1

2006-11-20 02:41:51 · 3 answers · asked by RAKSHITH M 2

If so thanks and here is the fill in the blank...
A chlorine atom becomes a chloride ion when it _________.
I know it has to do with electrons, but im unsure whether it loses a proton, neutron, electron or loses on of the 3. Can someone explain this so i know for next time??

2006-11-20 02:31:10 · 6 answers · asked by highclassass_tamera 1

2006-11-20 02:24:44 · 7 answers · asked by henry 101 1

2006-11-20 02:19:11 · 4 answers · asked by Anonymous

"As you have seen, lead can form the same kinds of compounds as the alkaline earth metals. Nevertheless, the solubilities may differ markedly. Give a convincing reason"

2006-11-20 02:18:59 · 1 answers · asked by lisa s 2

i need the chemical compounds that result in each step

2006-11-20 01:46:57 · 1 answers · asked by sally 1

given that 4g of methane were burnt in 7dm cube oxigen what is the limiting reagent? if 5 dm cube of co2 were produced whatn is the yield of the reaction?

2006-11-20 01:19:50 · 3 answers · asked by celcia d 1

i had this answer on a chemistry exam, and answered 250mg/L. Does that sound correct?

2006-11-20 00:48:38 · 2 answers · asked by Dan 2

Hi. I'm going to do some experiments to synthesize some silica particles and I'm using tetra-ethyl-ortho-silicate (TEOS), ammonia solution and ethanol as a catalyst. I've been asked why I would use ethanol instead of methanol. Being an inorganic chemist myself, I've no idea. Any suggestions?

2006-11-20 00:48:02 · 7 answers · asked by drcswalker 2

2006-11-20 00:04:11 · 3 answers · asked by Kev C 2

1.equal volumes of 2.0 mol/L of NaoH solution and the 0.2 HCL mol/L are mixed .What's the pH value?
2.ifr equal volumes of 0.2mol/L of HCLand 2.0 mol/L of NaAc

2006-11-19 23:41:27 · 5 answers · asked by mmmmmmmmm 1

could you explain how you got the answer

2006-11-19 23:40:15 · 4 answers · asked by Becky W 1

(chemistry)
Atomic Sizes

2006-11-19 23:37:24 · 3 answers · asked by Anonymous

2006-11-19 23:26:44 · 4 answers · asked by Sehal M 2

2006-11-19 22:54:11 · 2 answers · asked by re_flection_13 1

2006-11-19 22:53:42 · 1 answers · asked by bumbun 1

2006-11-19 22:53:16 · 2 answers · asked by re_flection_13 1

2006-11-19 22:49:44 · 2 answers · asked by re_flection_13 1

(Preferably in India)

2006-11-19 22:37:30 · 3 answers · asked by skywalker 2

2006-11-19 22:30:41 · 2 answers · asked by jillianne e 1

I guess its about the protoplasm..

2006-11-19 21:54:02 · 1 answers · asked by MiG 1

Or at least perchlorate

2006-11-19 21:49:56 · 1 answers · asked by skywalker 2

Harriet dissolves 1.0 mole of a weak monoprotic acid in 2.0 liters of water. She measures the concentration of H30+ ions to be 3.4 X 10-2 M.

2006-11-19 21:47:09 · 1 answers · asked by Rune 1

Milk of magnesia is a suspension of magnesium hydroxide in water. a small dose of it effectively neutralizes excess stomach acid, which is mostly hydrochloric acid

2006-11-19 21:37:58 · 2 answers · asked by Rune 1

fedest.com, questions and answers