Chemistry - November 2006

What is a chemical reaction (besides rusting) that occurs around us in the world around?

Preferably a simple chemical reaction.

2006-11-21 09:01:41 · 5 answers · asked by Anonymous

Is sand, washing soda, and baking soda soluble in water? Thanks.

2006-11-21 08:57:28 · 3 answers · asked by Ray 4

dilute hydrochloric acid is titrated with 1.20 mol dm -3 sodium hydroxide solution (NaOH). 20.0 cm3 of the dilute hydrochloric acid (HCl) is require dto neutralise 25.0 cm3 of sodium hydroxide solution.
what is the concentration of the dilute hydrochloric acid in mol dm-3

2006-11-21 08:40:56 · 4 answers · asked by Anonymous

2006-11-21 08:39:08 · 6 answers · asked by ttlycrazy05 1

Please help! And if you can explain it to me that would be great!

2006-11-21 08:31:39 · 4 answers · asked by Me<3JB 2

I also need to know the amount of calcium, nitrogen, carbon, iron, phosphurus, and sulfur. Thanks

2006-11-21 08:27:59 · 10 answers · asked by mewoow 1

2006-11-21 08:26:30 · 7 answers · asked by Anonymous

2006-11-21 08:20:38 · 5 answers · asked by jset1989 2

Does anyone know how to take the molar mass in grams/mol and covert it to grams, and find the moles of an element, the atoms of an element and the percent compositon of an element.

2006-11-21 08:16:29 · 7 answers · asked by Sabrina S 1

If so, in what proportions?

2006-11-21 08:05:32 · 1 answers · asked by hell in a handbasket 5

The specific heat of water is 4.18 J K-1 g-1.

2006-11-21 07:38:13 · 1 answers · asked by adam v 1

2006-11-21 07:33:12 · 9 answers · asked by robert_snell2002 1

2006-11-21 07:27:52 · 2 answers · asked by Slibuntu 2

I have to find two compounds that form chromium nitrate.

2006-11-21 07:25:03 · 2 answers · asked by willson61 1

in Intermolecular forces, is Hydrogen Bonding usually stronger than Dipole-Dipole? My teacher says no, my tutor says yeah!

2006-11-21 07:22:16 · 4 answers · asked by BMac 3

2006-11-21 07:19:44 · 7 answers · asked by nancy l 1

homework help! please if u know any sites that can help, please cite them. i need to know how to draw using lewis symbols for the following, or any one of them, please!
P4 O10
N2 O4
P Br 5
Si S2
N2 F4

2006-11-21 07:15:56 · 5 answers · asked by yahoo_user 2

how many molecules are in 1.00g of iodomethane?

2006-11-21 07:15:32 · 2 answers · asked by celcia d 1

CAN ANY ONE TELL ME THE PREPARATION METHOD OF CYANIDE.

2006-11-21 07:12:38 · 12 answers · asked by powerx 1

can hot water freeze faster than cold water?

2006-11-21 07:07:30 · 9 answers · asked by Anonymous

In method validation,limit of quatitation and limit of detection can be evaluated using excel. From linearity study we can calculate the LOQ and LOD. By performing LOQ and LOD, the data obtained can be evaluated using excel. I would like to know how this excel sheet for LOQ and LOD determinations can be designed,so that, I can get the result by feeding the data.

2006-11-21 07:06:25 · 1 answers · asked by pal 1

does anyone know the origin of "the mole" in chemistry?

2006-11-21 07:05:31 · 9 answers · asked by tracklurver09 3

can hot water freeze faster than cold water?

2006-11-21 07:04:49 · 11 answers · asked by Anonymous

1.Ba(NO3)3 (aq) & FeCl3(aq)

2. LiNO3(aq) & AgNO3(aq)

3. Pb(NO3)2(aq) & AgNO3(aq)

4. Mg(NO3)2(aq) & NaNO3(aq)

2006-11-21 06:49:42 · 3 answers · asked by lilballerina2004 1

2006-11-21 06:44:44 · 5 answers · asked by Anonymous

2006-11-21 06:40:09 · 7 answers · asked by J Rizzo 1

Considering the reaction: N2(g) + 3H2(g) → 2NH3(g)

Explain why this reaction is spontaneous even though it results in matter being less dispersed

2006-11-21 06:37:29 · 4 answers · asked by Anonymous

Ag has a 1+ charge, NO3 has a 1- charge, Na has a 1+ charge and SO4 a 2- charge. I understand that but I cannot seem to get the problem right.

2006-11-21 06:35:08 · 1 answers · asked by Nicki M 1

plz help!!

2006-11-21 06:00:57 · 4 answers · asked by Anonymous

2006-11-21 05:33:55 · 9 answers · asked by sierra c 1