Chemistry - March 2007

in a reaction between sodium sulfate and iron(III) acetate how many grams of sodium acetate will be formed from 8.26 * 10 to the 25 molecules of iron(III) acetate? does anyone know how to do this??

2007-03-05 11:48:48 · 1 answers · asked by katieklovesga 1

2007-03-05 11:44:05 · 1 answers · asked by kht 1

Methanol

Ethanol

Gasoline

Methane

I've been checking with my peers but we all seem to have different ratios. So i dont know who is right. and whos wrong.

2007-03-05 11:35:44 · 1 answers · asked by Anonymous

I need help under standing my chemistry. I know how to do one step and two step problems but i get lost on the third step. If anyone can help it will be much appreciated.
Thank you.

2007-03-05 11:35:02 · 3 answers · asked by Anonymous

2007-03-05 11:33:44 · 6 answers · asked by Anonymous

2007-03-05 11:30:09 · 3 answers · asked by hilary 2

H_3PO_4 + Mg(OH)_2 > Mg_3PO_4 + H_2O

2007-03-05 11:20:54 · 4 answers · asked by fxygrl00 1

give me a chemical formula of the reaction and the products formed

2007-03-05 10:55:13 · 1 answers · asked by teefkhan02 1

as the developing solvent. in what order will the compunds travel, which will be the farthest away from the plate?

2007-03-05 10:50:29 · 1 answers · asked by pixela007 2

the new volume is

1) 30. mL X 101 kPa/202 kPa

2) 30. mL X 202 kPa/101 kPa

3) 101 kPa/30. mL x 202 kPa

4) 202 kPa/30. mL x 101 kPa

2007-03-05 10:50:15 · 1 answers · asked by lisa d 1

Is it PV=nRT because if it is how do you convert moles to molar mass??????????

2007-03-05 10:30:40 · 1 answers · asked by Bear 1

What is the name of the compound Cr2(SO3)5
Best answer for the first person to correctly answer!!!

2007-03-05 10:29:33 · 1 answers · asked by Anonymous

will be..

11.2, 22.4, 33.6, or 44.8 liters

2007-03-05 10:27:46 · 5 answers · asked by Beth 1

2007-03-05 10:26:52 · 2 answers · asked by joserrr2000 1

the new volume of the gas is

100. , 200. , 400., or 800. , ml

2007-03-05 10:10:26 · 1 answers · asked by Lily 1

the partial pressure due to the oxygen molecules is

0.1,
0.2,
0.3,
or 0.6 atm

2007-03-05 10:05:46 · 1 answers · asked by Lily 1

Which of the following designations, polar or nonpolar, are correct for the given compounds below ?



a) CFCl3 : nonpolar

b) NCl3 : polar

c) CaCl2 : polar

d) CH3CH2F : nonpolar

2007-03-05 10:03:47 · 2 answers · asked by Christie 1

atoms, electrons, molecules, or protons?

thanks a lot!

2007-03-05 09:56:13 · 5 answers · asked by Krystal 2

1) The substances that take part in a chemical reaction keep their properties.

2) The new substances made in chemical reaction have new properties.

3) The electrolysis of water is an example of a chemical change.

4) A chemical change makes new products.

5) A physical change makes new products.

Chemical change or physical change demolishing a car and the rustion of iron.

When ice changes to water the link-up of the atoms changes or not ?

When water changes to ice the link-up of the atoms changes or not ?

2007-03-05 09:52:08 · 7 answers · asked by crazzy 1

2007-03-05 09:46:13 · 3 answers · asked by Anonymous

Which of the following substances would you expect to dissolve in water?

a) HCl

b) Cu(NO3)2

c) CH3CH2OH

d) Hg

e) CH3CN

2007-03-05 09:35:09 · 4 answers · asked by Christie 1

I need to put a spot near plastic vynil, I only have 2 inches between the lamp and the material

2007-03-05 09:32:54 · 2 answers · asked by Anonymous

Calculate the pH of a 0.0150M HNO3 solution.

[need the Ka]

2007-03-05 09:29:48 · 1 answers · asked by punk_chicken45 1

What is the [H] and [OH] in a neutral solution at 50 degrees Celcius when Kw = 5.47x10^-14

2007-03-05 09:28:40 · 2 answers · asked by punk_chicken45 1

2007-03-05 09:24:05 · 2 answers · asked by angelsweetiemoongirl 3

2007-03-05 09:21:53 · 2 answers · asked by Kelsey S 1

What is a threshold? What is a positive threshold dose and a negative threshold dose? Thanks in advance!

2007-03-05 09:17:00 · 1 answers · asked by Aanchi11 2

Cl2+NaOH -----> NaCl+NaClo3+ H2O

2007-03-05 09:12:33 · 6 answers · asked by TRACY V 1

A solution with a total volume of 500.00 mL is prepared by diluting 45.0 mL of glacial acetic acid with water. Calculate the [H+] and the pH of this solution. Assume that glacial acetic acid is pure liquid acetic acid with a density of 1.05 g/mL.

AHH!

2007-03-05 08:42:46 · 2 answers · asked by Jackie 2

2007-03-05 08:31:17 · 2 answers · asked by Anonymous