Chemistry - October 2006

I don't know where the drip can come from, lines have been checked. But can the water freeze at 46 degrees and only the water in the bowl? Nothing else in the fridge, just the bowl of water.

2006-10-26 04:04:47 · 4 answers · asked by Karen E 1

2006-10-26 03:49:08 · 9 answers · asked by Anonymous

2006-10-26 03:24:58 · 4 answers · asked by mary h 1

lets say a sample of clay suspeded in water is distilled. As the distillation proceeds, what happends to the weight of the clay??

does it increase?

does it decrease?

or like..does it just sit there and not change at all

2006-10-26 03:08:13 · 2 answers · asked by K&E4life 1

how does a graph help us interpret secientific date?

2006-10-26 03:00:42 · 4 answers · asked by yaja1120 1

a crystal of salt is added to a supersaturated solution of the salt, what happends to the number of crystals produced.

2006-10-26 02:39:39 · 7 answers · asked by K&E4life 1

2006-10-26 01:16:15 · 34 answers · asked by Anonymous

2006-10-26 00:37:31 · 5 answers · asked by afonso4real 1

2006-10-26 00:36:32 · 3 answers · asked by afonso4real 1

hhmm..
does anybody know what is the angle of the molecular geometry of sulphite?
<109,5 or <106?

2006-10-25 23:33:11 · 2 answers · asked by Anonymous

CAn you tell me about inorganic and organic matter Pls. it's a reasearch.

2006-10-25 23:24:24 · 3 answers · asked by custard 2

can someone help me with this ASAP.. thank you..

2006-10-25 23:06:37 · 3 answers · asked by tannhauser 2

i really need hepl with this question can u plase help me

the formula of sodium sulphate is Na2 (thats ment to be a little 2) SO4 (also a little 4) and its formula mass is 142

A, how many moles of Na2 SO4 are there in 2.56 g?
B,what is the mass of 0.164 moles of Na2 SO4 ?
C,what mass of Na2 SO4 is neede to prepare a 250 cm3 solution of concentration 0.025 mol dm-3 ?
D, how many moles of Na2 SO4 are there in 35.5 cm3 of a 0.137 mol dm-3 solution of Na2 SO4 ?

2006-10-25 22:31:57 · 3 answers · asked by help 2

How to take the acidic qualities out of modern paper/books - is there something one can buy or make?

2006-10-25 19:34:30 · 1 answers · asked by sincere12_26 4

When a 3.25g sample of solid sodium hydroxide was dissolved in a calorimeter in 100.0g of water, the temperature rose from 23.9 degrees C to 32.0 degrees C. Calculate the enthalpy change (in kJ/mol NaOH) for the soln process:

NaOH (s)------->Na+ (aq) + OH (aq)

(Assume it's a perfect calorimeter and that the specific heat of the soln is the same as that of pure water.)

thanks to all you chem wizards lol

2006-10-25 17:06:49 · 3 answers · asked by Anonymous

I have 2 ques:

-Calculate the final temperature when 50mL of water at 60 degrees C are added to 25mL of water at 25 degrees C.

-A piece of metal weighing 5.10 g at a temperature of 48.6 degrees C was placed in a calorimeter into 20.00mL of water at 22.1 degrees C, and the final equilibrium temperature was found to be 26.8 degrees C. What is the specific heat of the metal?

I thought specific heat=q (heat in J)/ (m)(change in temp)...but I can't seem to use that for this problem...

any help is greatly appreciated!!!

2006-10-25 17:02:16 · 5 answers · asked by Anonymous

2006-10-25 16:49:05 · 3 answers · asked by KFS 2

Can anyone suggest a synthesis of 4,4-diphenylbut-3-en-2-one without using grignard synthesis?

2006-10-25 16:45:45 · 4 answers · asked by Hard Rocker 3

i know for a lot of gases, its form needs to be like O2, H2, but is sulfur one of those gases? thanks a lot

2006-10-25 16:44:08 · 3 answers · asked by nickname 3

2006-10-25 16:19:58 · 11 answers · asked by misdmeaimagain 1

Liquid stinks. How to get rid of odor?

2006-10-25 16:16:10 · 11 answers · asked by magplex 1

fact or fiction?

2006-10-25 16:07:02 · 9 answers · asked by Anonymous

ok can some one go over a brief outline of it very brief of orbitals and such dealing with this and what the electrons are doing

2006-10-25 15:57:32 · 3 answers · asked by nate 1

2006-10-25 15:47:48 · 2 answers · asked by substance 2

2006-10-25 15:46:42 · 1 answers · asked by substance 2

2006-10-25 15:46:05 · 4 answers · asked by substance 2

2006-10-25 15:35:47 · 4 answers · asked by LOVE♥ 1

And can you buy them anywhere?

2006-10-25 15:31:04 · 3 answers · asked by Anonymous

Two jets leave an airport at the same time in opposite directions. The first jet is traveling at three hundred forty one mph and the other at three hundred thirty two mph. How long will it take for the jets to be 1,616 miles apart? Round your answer to the tenths place.

2006-10-25 15:21:08 · 4 answers · asked by K&E4life 1

energy change associated with changes of state

2006-10-25 15:16:49 · 6 answers · asked by mtta_girl 2