Chemistry - November 2007

Just wondering becasue fructose and glucose is C6H12O6

while sucrose is C12H22O11

How does fructose and glucose= sucrose? the numbers aren't the same

2007-11-08 11:46:43 · 2 answers · asked by Anonymous

2007-11-08 11:45:30 · 2 answers · asked by Anonymous

2007-11-08 11:43:38 · 3 answers · asked by Anonymous

i am writing the song to the periodic table and i have to explain how to find molar mass in the song. i have to use 5 words from this word bank
avagadro, molar mass, mass, standard temperature, pressure, particles, formula unit, molecule.
plzzzzzzzzzzzzzzzzzzzzzzzzzz help me i have this assiment until monday.... plzzzzzzzzzz help me i really need ur help.

2007-11-08 11:39:20 · 1 answers · asked by kaynat A 2

2007-11-08 11:34:47 · 1 answers · asked by Pablo D 1

2007-11-08 11:28:38 · 5 answers · asked by Anonymous

The Production of Sugar

Growing the Cane- Sugar cane is first grown
which takes an average of 12-24 months.

Harvesting- Sugar cane is harvested by chopping the stem and leaving the roots so it could grow back next year.

Extraction-The cane is the put in a roller mill which
extracts the juice from the sugar cane.

Evaporation-At this stage in the process the juice is very dirty so it gets sent to the boilers where the juice and dirt gets separated. Next the juice is thickened by boiling the juice which removes all the water.

Boiling- the syrup is then placed inanolther large boiler to remove an water for the sugar crystals can grow. Once the crystals have grown the resulting mixture of crystals and the mother liquor is spun in centrufuges to separate the two. Then final the crystal are sreid before being stored.

Storage- Large pills of sugar is then stored in the proper storage area. Then later packaged and shipped to grocery stores.

2007-11-08 11:21:13 · 3 answers · asked by Anonymous

To what temperature must a sample of nitrogen at 27 degrees C and 0.625 atm be taken so that its pressure becomes 1.125 atm at constant volume?

2007-11-08 11:15:55 · 2 answers · asked by Anonymous

Calculate the mass of methane that must be burned to provide enough heat to convert 299.0 g of water at 28 Celsius into steam at 111 Celsius. (assume that the H2O produced in the combustion reaction is steam rather than liquid water)

2007-11-08 10:59:04 · 1 answers · asked by soccerdude 1

Lets face it - we have a finite supply of oil. There probably aren't going to be more Ghawars to be discovered.

We are going to run out of oil in about 25 years - less if nations like China and India continue to grow in use to the point that they emulate nations like the US.

Oil is so very vital to our society. If human civilization were a body, then oil would be its lifeblood. 95% of all transportation is oil based. The plastic industry is dependent on oil. Products like adhesives, explosives, pesticides, and more than I bother to keep track of come from this black liquid.

All of this of course contributes to global warming, but I am not going to go on about that here ... coal is more polluting, and so is natural gas (methane is released into the atmosphere during extraction)

Why does the world seem so ignorant on this reality? If we run out of oil, then it could represent the end of modern civilization, unless we seek alternatives ASAP. Why are we so foolish?

2007-11-08 10:23:47 · 8 answers · asked by ch_ris_l 5

OK, I have an AP Chem test tomorrow, and I stumbled across this problem; i need help ASAP!

The electrolysis of .100L of .785 M AgNO3(aq) using platinum electrodes is carried out with a current of 1.75 A. What is the molarity of the AgNO3 25.0 min after electrolysis has begun?

2007-11-08 10:08:53 · 1 answers · asked by Viggy 3

a) Enthalpy of vaporization equals enthalpy of fusion .

b) Substances with large molar masses have relatively low vapor pressures.

c) Vapor pressure increases as the kinetic energy of a liquid's particles increases.

d) Temperature changes during a phase change.

e) For ice to float in water, it's density must be less than that of water.

2007-11-08 09:49:54 · 7 answers · asked by metalmonkey71 1

Are these reactions: a)Acid-Base Neutralization b)precipitation c) redox . The answer can be one type of reaction or a combination of a,b, and/or c.

1. KClO4 ===> KCl +2O2


2. N2 + 3H2 ===> 2NH3


3. Ba(OH)2 (aq) + HCl (aq) ====> BaCl2 (aq) + H20 (l)


4. Ba(OH)2 (aq) + H3PO4 (aq) ===> Ba3(PO4)2 (s) + H2O (l)


5. Na2CrO4 (s) + NaCl (s) + H2SO4 ==> Na2SO4 (s) + Cr2(SO4)3 (s) + H2O (l) + Cl2 (g)




Answers to any or all are welcome. Thank you!

2007-11-08 09:45:54 · 3 answers · asked by chosen one 3

We just finished dealing with intrermolecular/interionic attractive forces so I'm guessing it has a lot to do with those. Thanks!

2007-11-08 08:14:52 · 1 answers · asked by Anonymous

2007-11-08 07:55:29 · 1 answers · asked by Anonymous

and how mach difference between them....please.I will choose the best answer..

2007-11-08 07:17:25 · 3 answers · asked by Calgarian_man 2

2007-11-08 06:29:42 · 5 answers · asked by lordchaos88 1

The below reactions are followed by one or two statements. Choose the correct statements that follow each reaction.

C5H5N + H2O ↔: C5H5NH+ + OH−

a) This is an example of an elimination reaction


Pb2+(aq) + 2I−(aq) → PbI2(s)

b) This is an example of a precipitaion reaction

c) The product is an ionic compound


CH3CH2Br + OH- → CH3CH2OH + Br-

d) This is an example of a substitution reaction

e) Double bonds are formed in the product

2007-11-08 06:22:33 · 1 answers · asked by john1234 1

if I ^ - + Br2 ------> ?????

Please explain..

and would I ^ - + Cl2 -----> ICl2?

2007-11-08 06:21:13 · 1 answers · asked by Cannot Think of Name 2

Simple equations and reasons are very helpful.
Equipment includes volumetric flask, scales, pipette, beaker etc.

2007-11-08 06:10:18 · 2 answers · asked by Anonymous

C5H5N + H2O &harr: C5H5NH+ + OH−

a) This is an example of an ionization reaction


Ca2+(aq) + SO42−(aq) → CaSO4(s)

b) This is an example of a neutralization reaction

c) The product is an ionic compound


CH3CH2Br + OH- → CH3CH2OH + Br-

d) This is an example of a substitution reaction

e) Only single bonds are formed in the product

2007-11-08 06:07:44 · 3 answers · asked by Anonymous

please tell me.it is an assignment i was giving to do.the teacher said i should use the internet to find out.Thanks

2007-11-08 06:04:44 · 2 answers · asked by Anonymous

Explain what will happen to BaSO3 if we add:
1-dil HCL
2-dil HNO3
3-acetic acid

2007-11-08 06:02:02 · 1 answers · asked by mohamed r 1

2007-11-08 05:58:30 · 2 answers · asked by Anonymous

Please help me :D

2007-11-08 05:56:30 · 1 answers · asked by ~!~ Red Head ~!~ 1

2007-11-08 05:49:48 · 13 answers · asked by C S 2

I'm supposed to design a scheme to seperate the cations Ca and Pb based on the concept of precipitation and the differences in solubility. I got the first one - adding Cl to a solution of Ag and Cu will cause AgCl to precipitate while Cu remains in solution - but my brain refuses to cooperate with me any further. Anyone willing to offer a jump start?

2007-11-08 05:42:21 · 6 answers · asked by Marji 4

how does silver's properties relate to its usefulness?

2007-11-08 04:44:07 · 1 answers · asked by yann m 2

I need to find which element is in an alloy to make tooth fillings.

2007-11-08 04:28:08 · 4 answers · asked by Anonymous

if you encountered toxic chlorine gas, which would you choose as a material for a gas mask?

a.) diamond chips
b.) granules of activated carbon
c.) fibrous glass filter

please explain. and please no shitty answers. thank you very much.

2007-11-08 02:53:03 · 1 answers · asked by shirubiah 3