Science & Mathematics - 30 August 2006

I know that a strong liquid has diffusivity that follows the Arrhenius law, but what does this really mean? The Arrhenius law is that the diffusivity is proportional to exp(-E/kT), but again, what does this really mean?

2006-08-30 04:59:47 · 5 answers · asked by helen g 3 in Chemistry

Using the German V-2 rocket dimensions, how high would it fly with today’s technology? It used 6 tons LOX, 4.5 tons alcohol and was 46’ high, 5.5’ across, 28k lbs launch weight, with 1 ton pay load: http://www.ww2guide.com/vweapon.shtml
Suppose we allow 1 ton for a Mercury-style crew capsule and 1 human occupant. Replace the riveted steel, say with titanium. Use a better fuel and better rocket engine. Could we get it in orbit using today's methods and materials?

The real question is, does anyone here know how to do the math?

2006-08-30 04:56:45 · 2 answers · asked by Rabbit 7 in Astronomy & Space

2006-08-30 04:56:21 · 10 answers · asked by Anonymous in Weather

I own a small bodycare company and have a formula that I would like to re-create. I have consulted with several cosmetic chemists already but they want thousands of dollars to take on the project-which will take them no more than a couple of hours to do. I don't need to own the formula, but I would like to be given the formula and formulating instructions so that my little company can create this all natural product at my facility (house). Any inexpensive suggestions would be greatly appreciated!

2006-08-30 04:55:15 · 5 answers · asked by Anonymous in Chemistry

2006-08-30 04:52:25 · 10 answers · asked by Anonymous in Astronomy & Space

2006-08-30 04:51:09 · 35 answers · asked by roger n 1 in Biology

and pls. explain why...

2006-08-30 04:49:45 · 62 answers · asked by i crave yours 5 in Other - Science

I need a term paper topic that will connect biology to physics that will allow me to write 10-15 pages.

2006-08-30 04:47:36 · 9 answers · asked by n8dawwgg69 2 in Physics

2006-08-30 04:47:23 · 7 answers · asked by sun i 1 in Physics

2006-08-30 04:46:30 · 2 answers · asked by Morgy 2 in Chemistry

I am in Statistics AP. Were learning about Density Curves. I need help understanding all their properties and how to solve problems associated with them.
Any external websites with explanations would be helpful.

Thanks

2006-08-30 04:46:09 · 1 answers · asked by Ciso101 2 in Mathematics

If antimatter is reckoned to be equivalent to matter going the wrong way through time, and our universe apparently consists of only our kind of matter, wouldn't another universe going the other way through time neatly solve the parity problem?

2006-08-30 04:45:33 · 16 answers · asked by cdrotherham 4 in Astronomy & Space

2006-08-30 04:39:44 · 11 answers · asked by Tamika W 1 in Chemistry

2006-08-30 04:38:22 · 11 answers · asked by scooby doo 2 in Astronomy & Space

2006-08-30 04:37:23 · 27 answers · asked by ? 3 in Biology

This is a medical QUESTION

2006-08-30 04:34:27 · 3 answers · asked by courtney j 1 in Biology

Please justify your answer/provide the calculations.

As a graduate chemist I want to see how many people will get it wrong, so don't worry about cheating with homework ... I am just curious how many people really understand pH.

2006-08-30 04:33:35 · 4 answers · asked by bellerophon 6 in Chemistry

Determine the slope of the best-fit line for the following data:

X Y
2 21
4 0
6 -9
8 -12

2006-08-30 04:30:58 · 6 answers · asked by cammiechameleon1 1 in Physics

1. Why would anyone want to be an engineer?

2. What type of engineers would spend most of the day engaged in physical activities?

3. What other types of jobs do engineers get?

2006-08-30 04:30:45 · 5 answers · asked by Anonymous in Engineering

2006-08-30 04:29:45 · 10 answers · asked by nadae 1 in Mathematics

2006-08-30 04:26:55 · 24 answers · asked by kitz 2 in Other - Science

Do we call it a theory because we dont have proof, or is it because we dont want to offend the religous nuts. What aspects of Darwins theory do we doubt?

2006-08-30 04:26:32 · 23 answers · asked by jojo 4 in Other - Science

hehehe.. cnxa n po badly nided.. tnx so much s mga sasagot! ^_^

2006-08-30 04:25:15 · 10 answers · asked by Anonymous in Mathematics

2006-08-30 04:24:05 · 3 answers · asked by Anonymous in Chemistry

1)0,2pi
2)0,pi

2006-08-30 04:23:16 · 2 answers · asked by Anonymous in Mathematics

is there any trace of water in regular gasoline?

2006-08-30 04:23:07 · 6 answers · asked by Jorge T 1 in Chemistry

2006-08-30 04:22:14 · 1 answers · asked by Anonymous in Chemistry

2006-08-30 04:13:01 · 1 answers · asked by Anonymous in Mathematics

May I have a copy of your research paper/proposal? I really need a research proposal this week. Don't worry because I'm not going to completely copy your research paper. I just need ideas.. You may mail it to me or you may post it here. My e-mail address is jiyo.azure_sky@yahoo.com

2006-08-30 04:10:55 · 2 answers · asked by jiyo-se 2 in Biology

2006-08-30 04:10:42 · 2 answers · asked by get2rohan_365 2 in Biology