Chemistry - March 2007

What is the word formula and equations for the reaction in wich aqueous solutions of sulfuric acid and sodium hydroxide react to form aqueous sodium sulfate and water???plz help

2007-03-06 16:39:23 · 1 answers · asked by The Truth 1

what are the products of mineral sand used for??
and can u recommend a gud site for further research??

2007-03-06 16:39:02 · 3 answers · asked by -_^ PK ^_- 1

A solution contains Fe2(SO4)3 as the only solute. The sulfate ion concentration in the solution is 0.519 M. What is the molar concentration of the Fe3+?

2007-03-06 16:28:34 · 1 answers · asked by Pat M 1

How many g of baking soda, NaHCO3, are needed to react with 130 mL of stomach acid having an HCl concentration of 0.045 M?

2007-03-06 16:27:34 · 2 answers · asked by Pat M 1

I need an answer by 10:00 PM

2007-03-06 16:16:55 · 3 answers · asked by Brian L 1

except oil, coal, natural gas and other mineral ores.

2007-03-06 16:13:53 · 7 answers · asked by -_^ PK ^_- 1

2007-03-06 16:08:47 · 1 answers · asked by Anonymous

How many electrons in an atom can have each of the following quantum numbers or sublevel designations? If a given set of quantum numbers or sublevel is not possible, enter 0 for that answer.

(a) n=2, l=1
(b) n=2, l=1, ml=0
(c) 4s

2007-03-06 16:07:38 · 2 answers · asked by socr8711 2

Write a full set of valid quantum numbers for the highest energy electron in the ground-state B atom.

2007-03-06 16:00:57 · 1 answers · asked by socr8711 2

I have a homework problem, and need help figuring out the answer. Show work if possible, please.

2007-03-06 15:51:55 · 2 answers · asked by efrosty 2

For C2H6 what is the angle of each H−C−H bond, in degrees

2007-03-06 15:49:55 · 3 answers · asked by owen 1

What is the electron-pair geometry of ClF2−

2007-03-06 15:49:02 · 1 answers · asked by owen 1

28.75lb y^(-2) in ^(-1) to atm ( y=year,lb=pound)

oh and can someone please tell me what does weight have to do with years and pressure(atm's)

2007-03-06 15:35:42 · 1 answers · asked by Anonymous

2007-03-06 15:31:19 · 3 answers · asked by The Truth 1

In an experiment to study the formation of HI(g), H2(g) + I2(g) <-----> 2HI(g), H2(g) and I2(g) were placed in a sealed container at a certain temperature.

At equilibrium,

[H2] = 6.50*10E-5 M
[I2] = 1.06*10E-3 M
[HI] = 1.87*10E-3 M

Calculate Kc for the reaction at this temperature.

2007-03-06 15:20:43 · 1 answers · asked by Anonymous

calcium acetate are mixed?

what is the net ionic eqtn??

2007-03-06 15:16:37 · 1 answers · asked by ma.roddy 1

Na+H2O-->NaOH+H2
Si2H3+O2-->SiO2+H2O
C7H6O2+O2-->CO2+H2O
FeS2+O2-->Fe2O3+SO2
I4O9-->I2O6+I2+O2

2007-03-06 15:12:59 · 4 answers · asked by Juan D 1

2007-03-06 15:07:53 · 1 answers · asked by Anonymous

2007-03-06 15:00:53 · 1 answers · asked by ma.roddy 1

2007-03-06 14:59:49 · 2 answers · asked by quinton 1

calculate the volume 3.00 moles of a gas will occupy at 24.0-degrees celsuis and 102.5kPa?

2007-03-06 14:50:48 · 5 answers · asked by goodies 1

) CuCl2

b) CH3CH2CH3

c) CS2

d) Cr

e) CH3CH3

2007-03-06 14:37:47 · 5 answers · asked by Jamgirl108 1

If the absorbance of a 1.24 x 10-6M solution is 0.134, what absorbance at the same wavelength do you expect for a 8.20 x 10-7M solution of the same species?

a. 0.089
b. 0.661
c. 0.203
d. 0.066

If the absorbance of an Erythrosin B solution is 0.350 at 480 nm, what will its absorbance be at 525 nm?

a. less than 0.350
b. equal to 0.350
c. greater than 0.350

2007-03-06 14:33:39 · 3 answers · asked by Anonymous

If possible, could you take me through the steps of how you got the answer, so I could do the same for Zinc Chloride, Copper (II) Nitrate, and Postassium Aluminum Sulfate? I GREATLY APRRECIATE ALL THE HELP!

2007-03-06 14:30:32 · 1 answers · asked by xplozno8 2

2007-03-06 14:29:10 · 3 answers · asked by Brad K 3

2007-03-06 14:22:10 · 1 answers · asked by s i 1

please help me i am stuck!!

2007-03-06 14:16:01 · 2 answers · asked by Purple Lover 2

Explain why carbon monoxide is able to out compete oxygen gas when binding to hemoglobin in red blood cells?Note: hemoglobin contains iron ions.
By the way i just made the title/question like that to get ur attention because i really need help:(

2007-03-06 14:00:58 · 1 answers · asked by jay z 1

For example,
- Helium or Xenon
- NaCl or C3H8
- CH4 or C4H10
- H3C-O-CH3 or H20

2007-03-06 13:51:11 · 3 answers · asked by hyperstrike11 2

2007-03-06 13:47:34 · 2 answers · asked by Anonymous