Chemistry - January 2007

2007-01-13 17:27:16 · 7 answers · asked by elmy e 1

2007-01-13 16:37:18 · 3 answers · asked by Anonymous

List these in order of strength: Covalent bond, ionic bond, metallic bond, intermolecular forces.

2007-01-13 16:34:58 · 6 answers · asked by MrAndersonMan 2

Please relate the polarity of water molecules to their ability or
inability to dissolve certain solutes!!:)

2007-01-13 16:09:20 · 4 answers · asked by Anonymous

2007-01-13 16:06:52 · 6 answers · asked by JL 1

A homogeneous mixture whose particle size is intermdiate between a suspension and a solution........
what is it? i don't get it!! help me!!

2007-01-13 15:46:53 · 4 answers · asked by Anonymous

2007-01-13 15:44:45 · 2 answers · asked by o0s0xpropah 1

2007-01-13 15:43:50 · 5 answers · asked by Anonymous

a. It is softened in nature by passing through certain rock structures.
b. Calcium and magnesium are removed from it.
c, It does not cause mineral buildup in plumbing systems.
d. It does not produce lather easily.

Please choose the uncorrect letter!!!! X)

2007-01-13 15:39:42 · 6 answers · asked by Anonymous

2007-01-13 15:27:22 · 3 answers · asked by JL 1

PLEASE give a valid website as a source

2007-01-13 15:21:08 · 3 answers · asked by Astrid D 1

2007-01-13 14:03:44 · 8 answers · asked by kogmu 3

2007-01-13 13:55:32 · 4 answers · asked by Anonymous

2007-01-13 13:47:45 · 4 answers · asked by Hiawatha 2

What are the equipment we will use to formulate a diswashing liquid?

2007-01-13 13:47:15 · 2 answers · asked by ric 1

What type of compound is CuSO4 (ionic, covalent...)? Write an equation for the process of solid CuSO4 dissolving in water

2007-01-13 13:32:07 · 7 answers · asked by Rubidium S 1

2007-01-13 13:30:15 · 2 answers · asked by shariff m 1

1) Aluminum sulfate hydrate Al2(SO4)3.xH2O contains 13.63% Al by mass. Calculate x, that is, the number of water molecules associated with each Al2(SO4)3unit.

2) What would happen if a small amount (0.2ml) of water is added to 10.0g of solid anhydrous CuSO4? What happens to the color? Write an equation that describes this process. How is this different from the experiment that you did in the simulation?

2007-01-13 13:24:15 · 3 answers · asked by Rubidium S 1

(gases can't be seen)

2007-01-13 13:18:57 · 15 answers · asked by El Nino 2

One of my 6th graders asked this, after doing a lesson on acids and bases. I didn't know, so I thought I would ask. She says that because chocolate is slippery when wet and can taste bitter, she says it is a base. Is she right?

2007-01-13 13:06:42 · 3 answers · asked by loriahaven 2

CrCl3, FeCl3, CoCl2, CuCl2, ZnCl2

I think it may be Zn, but I'm not sure. Could someone tell me which, and why?

2007-01-13 13:04:10 · 2 answers · asked by Neodudeman 1

2007-01-13 12:27:28 · 1 answers · asked by 1WeirdTeen 1

Its a chemistry question..

2007-01-13 11:19:30 · 7 answers · asked by Shariq J 2

2007-01-13 10:25:32 · 2 answers · asked by carnavaleria 1

2007-01-13 10:07:01 · 7 answers · asked by CHAD 1

2007-01-13 09:44:44 · 3 answers · asked by margarita_9902@sbcglobal.net 2

I have been trying to balance this for a long time and I have not been able to. Please help me.

2007-01-13 09:36:47 · 4 answers · asked by omaidamontes8 1

2007-01-13 09:14:22 · 6 answers · asked by vanessiekho 2

I have to write my discussion & conclusion..which I have done a draf...Can u try to understand,correct and add anything that needs changing and adding..plez

-Aim: "To identify for unknown solutions"

Discussion

I obsevered in solution "A", no reaction from the test that was prescribe produce no change but a neutral pH. When solution "B" was tested on phenolphalein indicator it turned bright purple which states that this is very alkalic,it was the solely one that had that change. I had obsevered that the colours or changes that had in the various solutions were not given as the same result in each type of solutions. The solution A,B,C had no reaction change for 'reaction with sodium hydrogen carbonate.However in solution "D" in reaction with sodium hydrogen carbonate fizzed rapidly with tiny bubbles in the test tube.

2007-01-13 09:11:01 · 2 answers · asked by Anonymous

I noticed that in a school science experiment the water boiled at 90°, what causes this?

2007-01-13 08:26:59 · 7 answers · asked by chaze 2