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Chemistry - November 2006

[Selected]: All categories Science & Mathematics Chemistry

2006-11-10 19:12:04 · 2 answers · asked by bowlerdudeca 2

What is the color of litmus? The liquid that gives different colors in acidic and alkaline solutions?

2006-11-10 19:06:12 · 3 answers · asked by formystudies3 1

2006-11-10 17:30:10 · 5 answers · asked by stephanie 1

also what's the ratio of atp to creatine molecules

2006-11-10 16:37:02 · 4 answers · asked by omygosh 4

If not, what would correct descriptions of such solutions be?

2006-11-10 16:18:34 · 2 answers · asked by lisat2yr 1

a saturated solution of potassium nitrate or a saturated solution of potassium chloride? At 60° C?

2006-11-10 16:06:33 · 1 answers · asked by lisat2yr 1

A typical candy bar weights about 2 oz (1.00 oz = 28.4 g)
(a) Assuming that a candy bar is 100% sugar and that 1.0 g of the sugar is equivalent to about 4.0 Calories of energy, calculate the energy (in kJ) contained in a typical candy bar.
in kJ?
(b) Assuming that your mass is 67 kg and you convert chemical potential energy to work with 100% efficiency, how high would you have to climb to work off the energy in a candy bar? (Potential energy = mass g height, where g = 9.8 m/s2.)
in m?

2006-11-10 15:45:32 · 1 answers · asked by Anonymous

What is the definition of σ bond? Usually it is used to describe the bonds in organic compounds. Can we use it to describe an inorganic molecules' bonds? Thank you!

2006-11-10 15:29:23 · 1 answers · asked by Anonymous

Consider the following balanced thermochemical equation for the decomposition of the mineral magnesite.
MgCO3(s) MgO(s) + CO2(g) Hrxn = 117.3 kJ

What is H when 5.30 mol CO2 reacts with excess MgO?
kJ
What is Hrxn when 34.5 g CO2 reacts with excess MgO?
kJ

2006-11-10 15:28:46 · 2 answers · asked by kula h 1

Are the two stuff equal?

2006-11-10 15:27:52 · 1 answers · asked by Anonymous

Anybody can visualize the shape of HCO3- to me? Many thanks!!

2006-11-10 15:27:12 · 1 answers · asked by Anonymous

I'm doing a science experiment to see if I can fit 12 pounds of oxygen into a 1 liter coke bottle. The bottle will be reinforced obviously before trying this.

2006-11-10 15:04:52 · 3 answers · asked by Issac Rangel 3

in a photodeveloping studio

2006-11-10 14:45:34 · 20 answers · asked by afroflare 1

2006-11-10 14:43:32 · 4 answers · asked by lisat2yr 1

2006-11-10 14:00:33 · 12 answers · asked by Anonymous

As far as I can tell, it has to be an aqueous solution, but once it touches your skin, your skin will have to come off rather than the colour changing by itself. What is it reacting with, and why so permanently?

2006-11-10 13:41:42 · 4 answers · asked by Link 4

2006-11-10 13:39:04 · 5 answers · asked by Link 4

i need the formula .........................in detail and short

2006-11-10 13:38:06 · 3 answers · asked by Anonymous

what is the structure of halogenated hydrocarbon?
what is its possible hazards to our environment?

2006-11-10 13:22:52 · 4 answers · asked by Mica K 2

2006-11-10 12:56:04 · 12 answers · asked by colonbuay 1

Additional info: The higher is the charge density the more concentrated is the charge and the more water molecules for e.g. can be attracted around the ion:

2006-11-10 11:27:39 · 3 answers · asked by kbafc 1

I just need to know the number for the density of gasoline for 1 gallon of it.

Thanks much!

2006-11-10 11:24:40 · 2 answers · asked by Andrew\ 1

a) an oxidation reaction
b) formation of covalent bonds
c) formation of ionic bonds
d0 formation of water

2006-11-10 11:20:22 · 6 answers · asked by JESSE H 1

2006-11-10 11:16:26 · 1 answers · asked by kitty 3

a)hydronium ion
b) proton
c)electron
d) hydrate

2006-11-10 10:59:23 · 8 answers · asked by Lindsay A 1

a) acidosis
b) alkalosis
c) hyperacidity
d) anemia

2006-11-10 10:52:33 · 5 answers · asked by Lindsay A 1

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