Chemistry - January 2007

show the oxidation-reduction reaction showing their loss and gain of electrons..

LEAD ACETATE AND ZINC...

2007-01-18 02:01:50 · 1 answers · asked by wahahaha 1

lead sulfide is with hydrogen peroxide...?

here is the procedure: half fill atest tube with a suspension of lead sulfide in water. introduce some hydrogen peroxide. the produced substance is lead sulfate.

what visual evidence of reaction was observed.?
_______________________________________(answer pls)

write the equation for the reaction...
________________________________________(ans pls)

from the reaction, what substance had undergone oxidation? reduction?__________________________________(ans pls..)

2007-01-18 01:57:27 · 1 answers · asked by wahahaha 1

If anyone can answer this with proof I will deliver 1 million dollars to your bank. No BS!

2007-01-18 01:53:07 · 3 answers · asked by Anonymous

a.) put about 1/2 teaspoonful of solid Na2CO3 into water and stir until salt is in solution. then test with litmus paper.
RESULT-_____________________________________

b) repeat the above procedures with water and cupric chloride.
RESULT-________________________________________

2007-01-18 01:42:34 · 1 answers · asked by Anonymous

a. ) Put a little amount of water into a wide-mouth bottle, then collect some sulfur dioxide by lowering the burned sulfur in the deflagrating spoon into this botttlee.
b.) after aminute, remove the deflagrating sppon and cover the bottle with a watch glass. shkae the bottle then test the solution with red and blue litmus paper.

result:
RED LITMUS PAPER - ____________________
BLUE LITMUS PAPER -___________________

WHAT COMMON EFFECT ON LITMUS PAPER WAS OBTAINED ON CONTACT OF WATER WITH PRODUCTS OF THESE REACTIONS.?
__________________________________________________

c.) assemble word and formula equations for this reaction...

___________________________________________________

2007-01-18 01:40:06 · 1 answers · asked by Anonymous

2007-01-18 00:57:09 · 4 answers · asked by linifer74 1

the known compound has a normal boiling point of 89.5 degrees C.

2007-01-18 00:38:08 · 2 answers · asked by bebop_0632 1

i was thinking if an ordinary marble(the one that children use to play on) can conserve heat/energy on flat irons?

2007-01-18 00:35:38 · 2 answers · asked by jep 1

C3 H5 (NO3)3 -> CO2 + H2O + N2 + O2

2007-01-18 00:28:57 · 3 answers · asked by Anonymous

H2O2 + KMnO4 ---> O2 + MnO2 + KOH + H2O

2007-01-18 00:26:34 · 8 answers · asked by Will 2

2007-01-18 00:17:34 · 1 answers · asked by t c 1

2007-01-18 00:14:45 · 7 answers · asked by Matt 3

please tell wat is getting oxidised & wat is getting reduced.

2007-01-18 00:11:58 · 8 answers · asked by popo 1

2007-01-18 00:11:49 · 6 answers · asked by pattyboy 1

2007-01-18 00:10:25 · 1 answers · asked by Matt 3

its very important... and if you have a chart the would be nice too

2007-01-18 00:09:57 · 3 answers · asked by Anonymous

2007-01-18 00:03:04 · 9 answers · asked by enalauren 2

2007-01-18 00:00:11 · 7 answers · asked by niceeyeahnice 1

1. Explain the following observation:

When a small amount of ethanol at room temperature is placed on the skin, a cold sensation is felt.

2. Oxygen forms the ion O2- and sodium forms the ion Na+.

-in what way are these two ions different?
-in what way are these two ions the same?


Thanks a lot.

2007-01-17 22:49:34 · 1 answers · asked by sweetSPEED 2

C4 H10 + 02 -> CO2 + H2

C6 H12 06 + 02 -> CO2 + H2O

C3 H5 (NO3)3 -> CO2 + H2O + N2 + O2

NF3 + H20 -> HF + NO + NO2

CH3 OH + H2 -> CH4 +H2O

2007-01-17 22:42:31 · 1 answers · asked by Anonymous

i really need to find something about this explosive rocket fuel with their redox reaction plsss help just stay in focus about the redox reaction of explosive rocket fuel....

2007-01-17 21:57:52 · 1 answers · asked by philip o 1

a.0.003 mol/100mL solution
b.0.003 mol/100mL solvent
c.0.05 mol/10L solution
d.0.20mol/1L solution

2007-01-17 21:41:39 · 3 answers · asked by Steve C 1

Oil Composition (agri product castroil)
any informatiom will be choosen as best !


Fatty acid % Of Oil

Ricinoleic (C18H34O3) 87
Oleic (C18:1) 7.4
Linoleic (C18:2) 3.1
Lauric (C12:0) }
Myristic (C14:0) }
Palmitic (C16:0) }
Stearic (C18:0) }

the last four total 2.4%.



!!!!!!!!!!!!!!!!!!!!!!!!!!!!!please!

2007-01-17 21:07:26 · 2 answers · asked by sam 2

I need it URGENTLY!!!

2007-01-17 21:05:09 · 3 answers · asked by fongzhikang1 1

CH4+Br2---->CH3Br+HBr
and...
Ba(CN)2+H2SO4---->BaSO4+HCN your my hero

2007-01-17 20:52:47 · 3 answers · asked by Anonymous

Can you balance this chemical equation? CO+FeO3--->Fe+CO2

2007-01-17 20:49:15 · 3 answers · asked by Anonymous

Potassium iodide treated with Chlorine will form Iodine and Potassium Chloride.

2007-01-17 19:58:19 · 6 answers · asked by hazz r. 1

C3H5 (NO3)3 --> CO2 + H2O + O2 + N2

I dont know if im balancing it correctly, i need it to finish my stoichiometry problem...if you can help plz.

2007-01-17 18:25:38 · 4 answers · asked by Anonymous

Can ionic compunds be in an aqueos state?...rather than a solid state?

2007-01-17 18:22:43 · 6 answers · asked by aaaaa b 1

2007-01-17 18:09:40 · 11 answers · asked by kunal260485 1