Chemistry - September 2006

Im looking for the name of the major buffer in human blood and how exactly it works.

2006-09-04 06:11:35 · 8 answers · asked by Anonymous

I need to know if you can practice alchemy without the lab apparatus and it is very difficult to find elements and chemicals.

2006-09-04 05:53:25 · 5 answers · asked by gold_alchemist2006 1

when it was invented? What year it was invented and what products were invented from that patent.

The most important question is the name of the inventor of the bag.

Thank you very much.

2006-09-04 05:04:49 · 1 answers · asked by Mary R 1

The 100.0m dash record is 9.780 s. What's the avrg speed in ft/s & mi/h. Please explain your process so I can learn how to do this.
Thanks

2006-09-04 04:41:52 · 5 answers · asked by James A 2

2006-09-04 03:51:28 · 2 answers · asked by qui k h 1

The question is not how did i get there but how do I get it out?

2006-09-04 03:19:49 · 13 answers · asked by Josephine 1

Can you give me any good research project suggestions related to chemistry? No complicated things please, I'm only a student. A link would be appreciated. Thanks!

2006-09-04 02:52:57 · 9 answers · asked by Merlin 3

aside from carbon

2006-09-04 02:21:36 · 5 answers · asked by black_princess 1

sources please

2006-09-04 02:12:07 · 18 answers · asked by black_princess 1

1.magnetic force
2.Electrostatic force
3.Hydrogen bonding
4.Covalent bonding

2006-09-04 01:58:21 · 8 answers · asked by Anonymous

2006-09-04 01:29:54 · 7 answers · asked by Chelsea 1

2006-09-04 01:28:58 · 3 answers · asked by mahaveersoganiappu 2

what are the different kinds of Hydrocarbons? And please explain... I need to understand...

Thanks...
^_^

2006-09-03 23:21:51 · 6 answers · asked by kevin! 5

2006-09-03 22:30:07 · 4 answers · asked by yvette 1

2006-09-03 21:05:34 · 8 answers · asked by s_ketan 1

Please discus in detail the 4 ways in which chemical (based industrial activities) create pollution problem, and its attendant effect on the enviroment. THIS QUESTION ATTRACT 22 POINT, 2 FOR ANSWERING, 10 FOR BEST ANSWER AND 10 FOR HIGH RATING.

2006-09-03 20:24:31 · 3 answers · asked by Anonymous

Myoglobin stores oxygen for metabolic processes in muscle. chemical analysis shows that it contains 0.34 percent Fe by mass. what is the molar mass of myoglobin? (there is one Fe atom per molecule.)

2006-09-03 20:17:50 · 2 answers · asked by yoo whoo 1

It's output must be electrical.

Part of the electrical output will go to a solenoid, that by opening or closing, adjusts the vacuumn advance on a car - which in turn adjusts the timing. The other part of the electrical output will go to a different solenoid, that adjusts the air-fuel ratio in an old fashioned carberator.

The object of this is to turn my 1963 Volkswaqgen Beetle into a fuel flex car, that can run off any combination of acohol or gasoline. The alcohol will come from a moonshine still.

Calibration of the timing and air-fuel ratio mix, will be done by using gasoline as the zero reference point. Since plans on the internet exist for making my car run off PURE ALCOHOL, then the air-fuel ratio and timing for alcohol , will be used as the high end reference point. Mixtures of gasoline and alcohol, as determined by the sensor, will be used to adjust the engine for variations in-between.

Tried automotive section - no takers on this question.

2006-09-03 19:12:15 · 1 answers · asked by Techguy2396 2

during ripening,bananas produce small amounts of ethylene.when bananas are shipped,why should they not be shipped in close containers?

2006-09-03 18:38:39 · 4 answers · asked by Anonymous

2006-09-03 17:42:31 · 5 answers · asked by Juan R 1

My teacher recently lit water on fire, and had done nothing to the water. She somehow lit it on fire. If you could tell me how to do this, I will get 100 bonus points that I need. SOMEONE PLEASE HELP.

2006-09-03 17:01:25 · 12 answers · asked by Anonymous

2006-09-03 16:54:28 · 5 answers · asked by niraj_bhindi 1

The Kinetic Theory of Gases yields a ratio of 47% N2 to 53% O2 if other gases are ignored and there is no voluminous chemical reaction between N and O.

I have my own pet answer, but I'm curious to see what answers others will give, and if any will agree with mine without coaching.

2006-09-03 16:10:09 · 8 answers · asked by Helmut 7

A sample of ascorbic acid (vitamin C) is synthesized in the laboratory. It contains 1.50 g of carbon and 2.00 g of oxygen. Another sample of ascorbic acid isolated from citrus fruits contains 4.02 g of carbon. How many grams of oxygen does it contain?


Which law are you assuming in answering this question?
Newton's second law
Law of constant composition
Law of dimentional analysis
Law of conservation of mass
Law of intensive properties

2006-09-03 15:18:55 · 5 answers · asked by Anonymous

Washing soda, a compound used to prepare hard water for washing laundry, is a hydrate, which means that a certain number of water molecules are included in the solid structure. Its formula can be written as Na2CO3x H2O, where x is the number of moles of H2O per mole of Na2CO3. When a 1.836 g sample of washing soda is heated at 125°C, all the water of hydration is lost, leaving 0.680 g of Na2CO3. What is the value of x?

2006-09-03 15:17:58 · 3 answers · asked by Anonymous

Nicotine, a component of tobacco, is composed of C, H, and N. A 5.775 mg sample of nicotine was combusted, producing 15.666 mg of CO2 and 4.491 mg of H2O. What is the empirical formula for nicotine?

2006-09-03 15:16:56 · 4 answers · asked by Anonymous

How does an arrangement with a zinc and brass rods dipped in Na2CO3(aq) restores the shine. What is the purpose of the sodium carbonate.

sry for the looong question..

2006-09-03 14:46:52 · 1 answers · asked by Buzz 1

2006-09-03 14:33:22 · 8 answers · asked by Anonymous

2006-09-03 14:28:47 · 4 answers · asked by mejoe39 2

Describe equipment used on the job as a chemical assistant, identify what type of degrees, skills, course work, or training is required to be a chemical assistant.

2006-09-03 14:26:03 · 2 answers · asked by struggling student 2