Chemistry - November 2006

What are the PRECISE (every little step) to figuring the Density of both a solid AND a liquid (two different procedures)? (D=M/V) For ten points pleaseee?

2006-11-27 07:34:14 · 4 answers · asked by Anonymous

2006-11-27 07:09:07 · 16 answers · asked by Anonymous

I have a 4 carbon chain and there is a Br on the 3rd + 4th carbon and I need to know steps will produce a 6 carbon chain with a double bond from the 4th to the 5th carbon.

2006-11-27 07:04:12 · 1 answers · asked by nrk 2

2006-11-27 07:02:30 · 1 answers · asked by FAMOU$_GiirL 1

2006-11-27 07:01:33 · 4 answers · asked by lilmama 4

Ethylene glycol has a specific heat of 0.578 cal/(g * C) If 23.2 g of ethylene glycol absorbs 75.6 cal of energy, what will the temp increase be?

2006-11-27 06:56:31 · 3 answers · asked by carmond70 1

2006-11-27 06:55:30 · 2 answers · asked by alielioli 1

This quiestion is for my science fair project so PLEASE ANSWER my questions!!!!!!!!!!!!!!!!!!!!!!!!!!!

2006-11-27 06:44:39 · 12 answers · asked by Olivia M 1

2006-11-27 06:38:22 · 2 answers · asked by carmond70 1

What mass of solute, in grams, is required to prepare 150.0 grams of a 2.50 % (by mass) aqueous solution of KCl?

2006-11-27 06:36:57 · 2 answers · asked by brunette 1

I need to know another way (besides using a three-beam scale) to measure the mass of a glass of water for a science project I am doing.

2006-11-27 06:26:57 · 8 answers · asked by Amberdrakey 2

2006-11-27 06:24:52 · 4 answers · asked by Jana M 1

2006-11-27 05:58:29 · 4 answers · asked by star wars freak 2

keep it simple, no sub products, all the originals

2006-11-27 05:49:43 · 9 answers · asked by mrlefrog 1

my chemistry teacher says theres a gas *not a liquid* that helps gas mileage. just wondering what it is. do you know?

2006-11-27 05:26:24 · 3 answers · asked by Anonymous

I know they still have to be balanced.

FeCl3 + NaCl -> FeCl2 + NaCl3


FeCl3 + NaCl -> FeCl2 + NaCl3

2006-11-27 05:19:18 · 2 answers · asked by ? 2

how about pH of 9.6?

2006-11-27 05:01:07 · 2 answers · asked by Anonymous

Oh .. and it should be free. Thanks!

2006-11-27 04:15:16 · 3 answers · asked by Tess 1

A tank of gas is at 0 degress celcius. It contains 4 moles of gas: 1 mole of oxygen, and 3 moles of Neon. The volume of the tank is 11.2 L. What is the partial pressure of oxygen in the tank?

2006-11-27 03:58:33 · 8 answers · asked by rnjes21 2

I would be intrigued to know if it's possible to create 'real' milk without the need for Dairy farming.

2006-11-27 03:49:08 · 3 answers · asked by untruth 2

I think it's either 4 or 6?

(a) 2.0 mol
(b) 4.0 mol
(c) 6.0 mol
(d) 12 mol

2006-11-27 03:41:00 · 7 answers · asked by Karen 1

a) 1.2
b) 2.4
c) 3.6
d) 4.8

2006-11-27 03:30:43 · 2 answers · asked by *AH AH* 1

I need to know this as I am writing a scientific report.

2006-11-27 03:24:19 · 3 answers · asked by London F 1

2Cu + S2 ------ 2CuS

Im stuck

2006-11-27 03:14:25 · 1 answers · asked by Anonymous

2006-11-27 03:08:20 · 3 answers · asked by Catherine D 1

2006-11-27 02:40:40 · 3 answers · asked by Un Known 1

The normal boiling point of trimethylamine is 3 C and DeltaHvap is 22 kJ mol-1.

a) 66 J K-1 mol-1
b) 7.3 J K-1 mol-1
c) 6.1 J K-1 mol-1
d) 0 J K-1 mol-1
e) 80 J K-1 mol-1

2006-11-27 02:34:46 · 1 answers · asked by adam v 1

Specific Heat of water is 4.18 J K-1g-1.

a) 418 J
b) -418 kJ
c) 418 kJ
d) 1672 J
e) -1672 J

2006-11-27 02:28:11 · 2 answers · asked by adam v 1

The normal boiling point of formic acid is 101C and DeltaHvap is 46 kJ mol-1.

a) 123 J K-1 mol-1
b) 17.2 J K-1 mol-1
c) 455 J K-1 mol-1
d) -455 J K-1 mol-1
e) 0 J K-1 mol-1

2006-11-27 02:24:29 · 1 answers · asked by adam v 1

2006-11-27 02:09:49 · 1 answers · asked by Sergio 3