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Chemistry - December 2007

[Selected]: All categories Science & Mathematics Chemistry

2007-12-13 11:08:42 · 1 answers · asked by Anonymous

if i have 200 grams of O2, at 2 atm pressure and 273.15 Kelvin, what will be the volume of gas?

2007-12-13 11:07:42 · 1 answers · asked by blueeyegreen 1

if i subject CH3-CH2-CH2-CH2-OH to dehydration, what will be the products???

2007-12-13 11:06:06 · 5 answers · asked by frizzy_ghost 1

2007-12-13 10:56:38 · 1 answers · asked by Anonymous

If a reaction is exothermic as written from left to right, will a removal of heat from the system accelerate the formation of the products? Explain.

2007-12-13 10:52:53 · 1 answers · asked by xtmilx 2

if zinc chloride is not completely dry when it is massed after reacting with hydrachloric acid, how would it affect the results of the ratio of zinc to chlorine?

2007-12-13 10:50:44 · 1 answers · asked by hi 1

i think its sp and 2 sigma and 2 pi bonds... is this correct?

2007-12-13 10:42:16 · 1 answers · asked by biowolf89 3

2007-12-13 10:40:43 · 3 answers · asked by Anonymous

2007-12-13 10:28:43 · 2 answers · asked by Andrew S 1

2007-12-13 10:26:21 · 2 answers · asked by Andrew S 1

please help !

2007-12-13 10:22:14 · 2 answers · asked by narutoninja12 1

I look every where on the internet and I can't find one. Does any know I wedsite where I could find it. I already tried google. I can't draw it out either. My teacher said he would take points off.

2007-12-13 10:10:14 · 3 answers · asked by .Heather. 3

2007-12-13 10:07:43 · 3 answers · asked by Smart1 1

Can someone list 1 or 2 reactions that I could do to tell which solution is which (they're in unlabeled bottles).

2007-12-13 09:59:20 · 2 answers · asked by Anonymous

2H2S + NaOH -> Na2S + 2H2O

2007-12-13 09:56:53 · 1 answers · asked by Anonymous

Does anyone know whether wine gums are low or high in potassium?? if so, whats the reason to your answer???
(10 points to best detailed answer!!)

2007-12-13 08:35:25 · 2 answers · asked by Anonymous

please include some explanation of how you solved the problem, but you don't have to go overboard with it

2007-12-13 08:09:28 · 3 answers · asked by Ari R 3

I need to know what is ionisation in Lewis structures. I have looked on the internet and all I can find is how to do them. I have to write a paper on it and It is due Monday. Help PLEEEEEEEEEEEEEEEESSSSSSE

2007-12-13 08:08:04 · 1 answers · asked by abbykit306 2

2007-12-13 08:00:12 · 5 answers · asked by rocker23 1

okay so,
just a quick question.

i am doing an experiment to see how long trypsin and amylase break down compunds.

but how would i know when its finished breaking it down.
do i add iodine? and if so what would i see?

please help im so confused and its important.

THANKSSS :D x

2007-12-13 07:47:14 · 3 answers · asked by Carpe Diem 3

Good ones please?

2007-12-13 07:45:13 · 8 answers · asked by Jeffrey N 1

...Can anyone explain how that type of calculation/measurement works?

2007-12-13 07:39:47 · 3 answers · asked by Anonymous

how do i find the relation of these ordered pairs??? (6,-2) (-3,4) (0,5)???? help! please!

2007-12-13 07:39:27 · 1 answers · asked by Jess <3.?! 2

2007-12-13 07:36:37 · 5 answers · asked by Brittney M 1

Hi,
Basically im trying to find the extinction coefficient of a substance but before i can proceed i need to find the conc in molarity of the substance i used.
Well i used methyl orange (327.33g) and diluted it to a factor of 1:10 with distilled water, i used 2.5mg/l of MO with 22.5 water, i need to find the conc, plaese can any one help a.s.a.p!!!!!!
Thanx

2007-12-13 07:36:21 · 1 answers · asked by Hulk 1

Please explain why the much more complex atom of Hg shows only a few lines more than the simplest atom, hydrogen.

2007-12-13 07:27:55 · 1 answers · asked by Akshata 1

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