Chemistry - November 2006

has to do with the periodic table. Do you have any ideas? Example- bannana for potasium milk carton for calcium superman thing for krypton

2006-11-28 13:40:22 · 3 answers · asked by theoneandonly4251 2

ok here is the problem, "BOYLE'S LAW",

Flourine gas exerts a pressure of 900 torre. When the pressure is changed to 1.50 atm, its volume is 250. mL. What was the original volume???

2006-11-28 13:37:12 · 2 answers · asked by B-Rad 4

Has anyone here done an experiment where you add MgO to HCl in a calorimeter or coffee cup calorimeter? If you have, did you have to record the temperature every 30 seconds or minute? If you did, do you know how much the temperature should go down every minute? Because I did it and it only went down like 0.1 seconds every minute. Is that too little?

What did you get for heat of reaction?

2006-11-28 13:21:08 · 2 answers · asked by chris m 2

2006-11-28 13:18:22 · 5 answers · asked by Lindsay A 1

2006-11-28 12:45:22 · 2 answers · asked by zsteele3 1

2006-11-28 12:44:37 · 2 answers · asked by ohman33 1

2006-11-28 12:39:53 · 6 answers · asked by ohman33 1

1. We know that Democritus was right about atoms. So why did people ignore Democritus ideas for such a long time?

2. True or False/ By conducting experiments nd making observations, Dalton figured out that elements combine in random proportions because they're made of individual atoms.

3. John Dalton's theory states that atoms cannot be (3 reasons)

2006-11-28 12:34:07 · 1 answers · asked by yeah! yeah! yeah! 1964 1

I need help with a project?

2006-11-28 12:17:19 · 1 answers · asked by Anonymous

In a reaction between Iron II Chloride and Sodium Carbonate, which precipitate will form, Iron II Carbonate or Sodium Chloride. Both are naturally occuring minerals and my Chem teacher gave no guidelines on which forms. Can anyone help and possibly give guidelines on how to distinguish in the future?

2006-11-28 12:03:05 · 3 answers · asked by Anonymous

2006-11-28 11:59:02 · 2 answers · asked by Laine 3

2006-11-28 11:58:53 · 3 answers · asked by art c 1

Metallic bonds create materials with properties that make them
stiff and viscous
maleable and formable
brittle
good insulators

2006-11-28 11:56:40 · 1 answers · asked by reejabhattarai 1

I need it for a science project

2006-11-28 11:45:24 · 2 answers · asked by Shonquaniece W 2

2006-11-28 11:37:52 · 3 answers · asked by Anonymous

Exxxxxxxxxxplain............
......how the atoms in covalent molecules achieve configurations similar to those of the noble gases. how does this differ from the situation in ionic compound

2006-11-28 11:25:07 · 2 answers · asked by Ballerina 5

A) Can you please telll me the history of the mineral (like what country started using it first as a birthstone ,or what myths or legends are associated with it )

B) Is the stone precious or semi-precious?

C) What's the chemical composition ?

2006-11-28 11:13:00 · 2 answers · asked by ♪♫Lynn♫♪ 5

2006-11-28 11:11:33 · 3 answers · asked by Anonymous

I need a good topic that wouldn't be too general or too common. Nobody should think of it so easily, it's better if its something like a audio-visual display, a visual display, a fixed model or a working model (no experiments), that a pair of thirteen-year-olds can handle by themselves. It would be nice even if its another simple topic, even under 'Organic Chemistry' or 'Medicinal Chemistry'.

2006-11-28 11:08:49 · 2 answers · asked by imi 1

2006-11-28 11:00:43 · 3 answers · asked by sarahmuaaz 1

It is synthesis reaction and you have to balance it. Sr(s) + O2(g) -----> find the reactant.

2006-11-28 10:49:59 · 3 answers · asked by Traffic 4

short breif paragraph please

2006-11-28 10:49:45 · 5 answers · asked by Anonymous

what is the fastest way to desolve an alkacelser?
and what is the slowest way or even a way 2 make it not desolve?

2006-11-28 10:48:19 · 2 answers · asked by Jan 2

2006-11-28 10:46:39 · 2 answers · asked by hilary 2

2006-11-28 10:38:51 · 1 answers · asked by isaelmoguel 2

Normal Saline is said to have a pH of 5.5. Please explain chemically why this is the case

2006-11-28 10:30:20 · 7 answers · asked by johnk 1

could you tell me stuff like :
A)color
B)streak
C)specific gravity
D)Hardness
E)crystal system
F)cleavage
G)fracture

2006-11-28 10:24:00 · 3 answers · asked by ♪♫Lynn♫♪ 5

Calculate the percent yield (%) if 18.862 g of BaSO4 precipitates
when 2.150 L of 0.0600 M BaI2 and 1.980 L of 0.0501 M MgSO4 (aq) are mixed.

2006-11-28 10:22:26 · 2 answers · asked by simonkf2002 1

a) H2SO4 and HSO4-
b) H3O+ and OH -
c) HClO and HCl
d) HCl and Cl -
e) HF and F -

2006-11-28 10:21:41 · 2 answers · asked by simonkf2002 1

For statements a) through d) use the reaction:


Cu(s) + 2Ag+(aq) --> 2Ag(s) + Cu2+(aq)



a) Cu is the oxidizing agent

b) Ag+ is the oxidizing agent

c) Cu is oxidized

d) Ag+ is oxidized

e) HCl(g) + NH3(g) --> NH4Cl(s) is a redox reaction

f) O3(g)(aq) + NO(g) --> O2(g) + NO2(g) is a redox reaction

2006-11-28 10:20:32 · 2 answers · asked by simonkf2002 1