Chemistry - July 2007

2007-07-08 06:35:49 · 3 answers · asked by Shuji Ishikawa 2

the procedure to extract nitro glicerine from (nitro glicerin)soaps or artificial fertilizer

2007-07-08 06:33:21 · 2 answers · asked by Nestor 1

A sample of gas in a 10.0 - L container exerts a pressure of 1.2 atm. Calculate the pressure exerted by the gas if the volume is changed to 15.0 L at constant temperature.

2007-07-08 06:31:22 · 4 answers · asked by Anonymous

Explain why would you expect that H neutzn for HBr reacting with NaOH solution and H neutzn for HNO3 reacting with KHO solution would be identical.

2007-07-08 05:07:17 · 2 answers · asked by jasonanthonybau 1

The accepted h neutzn of hydrobomic acid HBr reacting with NaaOh solution and of HNO3 reacting with potaassium hydroxide KOH solutions are identical

2007-07-08 05:04:38 · 2 answers · asked by jasonanthonybau 1

2007-07-08 04:55:11 · 3 answers · asked by Anonymous

when their is the word ide at the end of an equation for example : Zinc Sulfide - does it refer to the sulfide or sulfate? what is the equation for that element?

2007-07-08 04:47:30 · 2 answers · asked by PETER Boy 2

1550 cal
155 cal
2.72 cal
2720 cal
650 cal

2007-07-08 04:18:33 · 2 answers · asked by hanaayr 1

name the following:
NaH2PO4
N2O5
N204
HC2H3O2

what is the difference between physical properties and chemical properties; give example!


10pts for the first correct answer!!! =D

2007-07-08 03:19:14 · 2 answers · asked by >D_ConTradictor< 4

draw the set-up and level.

2007-07-08 02:38:16 · 3 answers · asked by Anonymous

what are the detailed description observations of:
+burning candle
+baking soda and white vingar
+a sodium bicarbonate tablet and to water
+pouring gas from steps 2 or 3 on a lit candle (i picked step 2)

2007-07-08 02:26:11 · 1 answers · asked by princess 2

2007-07-08 02:15:36 · 12 answers · asked by manish u 1

what reaction happens when
a) carbon and air
b) chorine and acid

2007-07-08 01:31:00 · 2 answers · asked by princess 2

as we know that the atom of different electronagatavities having polar bond

2007-07-08 01:17:14 · 4 answers · asked by kustian 1

2007-07-08 01:11:52 · 5 answers · asked by cigarette lighter 1

Explain about the reaction between propanone, and iodine in the presence of hydrogen ions in aqueous solution

2007-07-08 01:01:49 · 2 answers · asked by Jasmine 1

what is the tabulation of Dimitri Mendeleev?

2007-07-08 00:59:17 · 2 answers · asked by nicole g 1

2007-07-08 00:41:57 · 3 answers · asked by maima 1

2007-07-07 23:48:39 · 2 answers · asked by crazy-girl 1

2007-07-07 23:37:01 · 4 answers · asked by abdul r 1

device that convert air to water

2007-07-07 22:34:24 · 2 answers · asked by Ali O 1

2007-07-07 21:53:18 · 14 answers · asked by apo abukay 1

oil bath (organic chemistry)

2007-07-07 21:22:56 · 5 answers · asked by organic chem 1

In fiji many people use kerosene to cook which is becomming more and more exspensive to import but they grow tonnes of sugar every year
I need to find out how to manufacture solid alcohol fuel which you can in cans
I would like to know if it burns as hot as kerosene because it won't sell if it takes longer to cook with.
Also could we use alcohol mixed with other chemicals to use in there original kero lamps and cookers

2007-07-07 20:46:09 · 4 answers · asked by deauzieguy 1

a) hydrochloric acid
b) sulphuric acid
c) hydrochloric acid
d) nitric acid

2007-07-07 20:34:16 · 5 answers · asked by travel 4

apparatus used in laboratoties.please answered me accurately and detailed.this is my chemistry homework.

2007-07-07 20:33:03 · 3 answers · asked by bengkay 1

water of hydration(Hydrated salt)

2007-07-07 20:08:51 · 2 answers · asked by ystan n 1

2007-07-07 19:37:46 · 3 answers · asked by john ruffy t 1

I'm doing something to do with batteries and was curious to find out what E.M.F. is. Is it voltage?

2007-07-07 19:26:38 · 3 answers · asked by Anthony 4

2007-07-07 18:57:28 · 4 answers · asked by christaglo 2