Chemistry - January 2007

2007-01-08 00:33:38 · 2 answers · asked by pankaj 2

2007-01-08 00:32:16 · 1 answers · asked by jett c 1

Calculate the maximum wavelength, in nm. IE of Na+ is 4560 Kj/mole

2007-01-07 23:35:43 · 3 answers · asked by kpgkn29 2

Calculate the maximum wavelength, in nm. IE of Na+ is 4560 Kj/mole

2007-01-07 23:11:31 · 1 answers · asked by kpgkn29 2

2007-01-07 22:47:51 · 10 answers · asked by RAJ 2

its just research for now... its for science... can you tell me this and sites to help me?

solute(salt, peper, sugar....ect.)

2007-01-07 22:43:18 · 4 answers · asked by Anonymous

2007-01-07 21:54:42 · 5 answers · asked by Trian 2

your options:

marsh gas
liquid gas
petroleum
solid fuel
none

this was actually asked in an assignment. please refer and tell.

2007-01-07 21:50:45 · 21 answers · asked by krithika R 1

your options:

marsh gas
liquid gas
petroleum
solid fuel
none

this was actually asked in an assignment. please refer and tell.

2007-01-07 21:49:54 · 14 answers · asked by krithika R 1

2007-01-07 21:11:59 · 5 answers · asked by andy 1

2007-01-07 19:37:59 · 10 answers · asked by hamster h 1

2007-01-07 19:32:25 · 5 answers · asked by Lightning 1

i got the color, state of matter, metal, atomic #, atomic mass, Denisity, melting point, boiling point, conductivity, malleabillity, ductilitly,
i need more than just that

2007-01-07 19:13:18 · 6 answers · asked by Anonymous

What is the formula for Chloric acid?

2.Hydrofluoric acid

3.Carbonic acid

2007-01-07 19:03:15 · 6 answers · asked by Lightning 1

2007-01-07 18:55:17 · 3 answers · asked by Lightning 1

2007-01-07 18:28:09 · 10 answers · asked by gloria c 1

iron(III) oxide can be reduced with carbon monoxide according to the following equation

Fe2O3(s) -->2 Fe(s) + 3 CO2 (g)

A 16.2 cL sample of CO(g) at 1.5 atm and 200*C is combined with 15.39g of Fe2O3(s)

(i)what is the limiting reactant for the reaction? justify your answer with calculations
(ii) how many moles of Fe(s) are formed in the reaction

2007-01-07 17:55:47 · 2 answers · asked by robert m 1

In the Bohr model of the hydrogen atom, precisely what is quantized?

2007-01-07 17:54:25 · 2 answers · asked by Anonymous

(1) What experimental evidence supports the quantum theory for light?

(2) the laser in an audio comact disc plater uses light with a wavelength of 7.80X10^2 nm. what is the frequency of this light? what is the energy of a single photon of this light?

2007-01-07 17:52:10 · 1 answers · asked by Anonymous

for the complete hydrogenation of the polyunsaturated fatty acid linnoleic acid,
CH3 (CH2)4CH = CHCH2CH = CH(CH(CH2)7COOH.

2007-01-07 17:20:54 · 2 answers · asked by babycakez 3

a. 9.85 g
b 19.7g
c. 24.5
d 39.4
e.48.9

2007-01-07 17:07:47 · 2 answers · asked by robert m 1

which of the following oxides is a gas at 25*C

a Rb2O
b N2O
c Na2O2
d SiO2
e La2O3


telll me what it means if oyu know, i want ot know how to do future probs like this

thank you for your answers

2007-01-07 17:00:32 · 3 answers · asked by robert m 1

2 what makes for a stable atom?
3.what does a superscript show?
4. why is NaCl neutral?
5. When do atoms become ions?
6. What are ionic compounds?
7. How are covalent bonds made?
8. What is a polar and nonpolar molecule?
9. What is an oxidation number?
10. What is a binary compound?
11. What is a polyatomic ion?
12. What is a balanced chemical equation?
13. What is a synthesis reaction?
14. What is a decomposition reaction?
15. What is a single displacement reaction?
16. What is a double displacement reaction?
17. How can physical and chemical changes affect matter?

2007-01-07 16:26:08 · 4 answers · asked by cttechteen06 1

2007-01-07 16:17:08 · 13 answers · asked by Dominique C 1

The best answer chosen by her EXPLAINS ONLY why the paper becomes smaller in size compared to its original size AND NOT why it curls.. Do u think the answer being chosen is right?

2007-01-07 16:15:36 · 5 answers · asked by Poornima G 2

2007-01-07 16:03:13 · 6 answers · asked by knexmaniac0607 2

2007-01-07 15:56:45 · 6 answers · asked by Anonymous

2007-01-07 15:51:07 · 3 answers · asked by Anonymous

2007-01-07 15:26:28 · 3 answers · asked by Anonymous

NH3+O2 yields NO2+H2O

and


Pb(NO3)2 yields PbO+NO2+O2

2007-01-07 15:24:08 · 6 answers · asked by heythere 2