Chemistry - January 2007

neutrons, protons, electrons, protons.

2007-01-15 03:16:18 · 8 answers · asked by Anonymous

the aim of this experiment is to calculate the energy in one peanut? we burnt the peanut and measured how much hotter the water got. we stuck the peanut on a nail and burnt it under the beaker with water. wot could be the errors in the experiment

2007-01-15 03:15:54 · 2 answers · asked by Anonymous

5, 4, 3, 2

2007-01-15 03:15:03 · 11 answers · asked by Anonymous

first, second, third, or fourth

2007-01-15 03:13:59 · 2 answers · asked by Anonymous

Help plzzz!support your answer with a balance chemical equation.

2007-01-15 03:09:27 · 2 answers · asked by Romeo O 1

My son is doing an experiment for school and he wanted to see which would freeze faster, salt or flour in water, clearly the flour froze faster now we need to know why.....can someone help or direct us to a site that does have information?

2007-01-15 02:43:46 · 2 answers · asked by FedUp 1

Iron (III) Oxide + Nitrate----------> Iron (III) Nitrate+ Water ..... If can with details..not words show how you got the answer..Thanks

2007-01-15 02:41:43 · 2 answers · asked by Priyanka N 2

2007-01-15 02:36:33 · 1 answers · asked by Veronica O 1

2007-01-15 02:21:44 · 2 answers · asked by bballgirljv 1

2007-01-15 02:14:31 · 1 answers · asked by bballgirljv 1

2007-01-15 02:13:42 · 2 answers · asked by bballgirljv 1

2007-01-15 02:13:01 · 2 answers · asked by bballgirljv 1

2007-01-15 01:58:59 · 7 answers · asked by Anonymous

Science Project

2007-01-15 01:58:54 · 2 answers · asked by Anonymous

2007-01-15 01:52:12 · 13 answers · asked by Anonymous

2007-01-15 01:48:23 · 5 answers · asked by Anonymous

1. Chalk dropped into HCl 2. Alcohol just placed in a watch glass 3. Ignited alcohol 4. Heated Sugar 5. Sugar dissolved in water 6. Ammonium chloride dissolved in water 7. Salt dissolved in water 8. Mossy zinc added to sulfuric acid 9. Heated grains of sand

Try this its a chemistry questions!!!

2007-01-15 01:36:57 · 2 answers · asked by Romeo O 1

Consider the following compounds and supposed that 0.5 M solutions are prepared of each: NaI, KF, (NH4)2SO4, KCN, HC2H3O2, CsNO3, and KBr. Write the formulas of those that are acidic, basic, and neutral.

The numbers are subscripts! Can some explain to me how you can determine whether one is acidic, basic, etc and how to do the problem ? thanx!

2007-01-15 01:32:08 · 2 answers · asked by trakstar16 1

2007-01-15 01:29:02 · 4 answers · asked by Anonymous

actualy its a chemistry question!support your answer with a balanced chemical equation.

2007-01-15 01:24:12 · 2 answers · asked by Romeo O 1

2007-01-15 01:10:46 · 17 answers · asked by ellyn_freak 1

2007-01-15 01:01:42 · 7 answers · asked by akibma2009 1

I need this answer ASAP is for a quiz tomorrow, anyway I need the resource from where you got it, please help me

2007-01-15 00:52:21 · 4 answers · asked by Anonymous

2007-01-15 00:28:57 · 7 answers · asked by nick 1

2007-01-15 00:06:10 · 8 answers · asked by juno 1

Chemistry subject

2007-01-14 23:51:21 · 7 answers · asked by katrina_vizconde 1

Can someone plz tell me that
Q1)is it covalent bond(sugar) or ionic bond(salt) that absorb energy faster ? energy come from ice which ice is polar covalent.
Q2)(do adding salt or adding sugar on ice cost the ice to melt faster?)

2007-01-14 23:37:03 · 2 answers · asked by henry 1

castrol (is a common name in india )is the seed .oil can be extracted from it i would like to know the organic and inorganic chemicals present in it (preferabley the persantage of chemicals) i want these inrofmations for my project .it will be most helpfulfor my project.

2007-01-14 22:39:36 · 3 answers · asked by sam 2

why does metal turn red when it gets hot? is it because the chemical properties or what?

2007-01-14 22:16:55 · 4 answers · asked by internet_idiot2000 1

Can someone plz tell me that is adding covalent bond compound or ionic bond compound will decrease the melting point more??

2007-01-14 21:59:09 · 2 answers · asked by henry 1