Science & Mathematics - 16 October 2007

In a bomb calorimeter the heat flow of the reactants is related to the heat flow into the water and into what other places?

2007-10-16 13:44:18 · 2 answers · asked by wizzzdork 3 in Chemistry

http://www.flickr.com/photos/coastranger/369025833/

2007-10-16 13:43:48 · 6 answers · asked by Zelda Hunter 7 in Weather

do you think it will float when you add salt to the water with the egg . explain

2007-10-16 13:40:22 · 2 answers · asked by Abby 2 in Earth Sciences & Geology

Honey is basically an extremely concentrated solution of sugar and water. It is also remarkably durable; it has been known to last for centuries without spoling. How does the principle of osmosis help to explain honey's ability to resist spoilage?

I would appreciate it so much if anybody could answer this question for me....

Thanks in advance!!!
=)

2007-10-16 13:39:56 · 3 answers · asked by bliz 2 in Earth Sciences & Geology

This is the question:

The sum of three numbers is 137. The second number is 4 more thantwo times the first number. the Third number is 5 less than three times the first number. Find the three numbers.

Thanks

2007-10-16 13:39:53 · 5 answers · asked by booyouwhore 2 in Mathematics

Across what potential difference does an electron have to be accelerated in order to reach the speed v = 2 x 10 to the 7 m/s? should you use relativistic calculations?

2007-10-16 13:38:43 · 1 answers · asked by szydzo 1 in Physics

Hi,

If anyone can help me understand this question I'd appreciated it. I need to

"Find the simplified exact value of:"

sin^2(-5pi/3)tan^2(pi/6) - cos^2(11pi/6)

Any help would be appreciated, thanks!

2007-10-16 13:38:33 · 2 answers · asked by Anonymous in Mathematics

Example: He+At= heat

2007-10-16 13:38:12 · 1 answers · asked by purplepanther 2 in Chemistry

2007-10-16 13:37:37 · 7 answers · asked by steaua 3 in Biology

i just dont know how to find the density of an irregular object
:(

2007-10-16 13:33:42 · 1 answers · asked by kbubles 2 in Physics

Please show me the work THANKS

2007-10-16 13:33:34 · 2 answers · asked by Joeseph 2 in Mathematics

2007-10-16 13:31:09 · 2 answers · asked by R dog 2 in Weather

as well? What would you attribute this to?

I am guilty as charged on this one too. I have seen spirits, ghosts and UFO's, but I always found that to be a bit odd......

2007-10-16 13:28:47 · 15 answers · asked by Kimberlee Ann 5 in Paranormal Phenomena

A) pascal's triangle
B) fibonacci sequence
C) square numbers
D) triangular numbers.

2007-10-16 13:28:23 · 15 answers · asked by Anonymous in Mathematics

how come we CAN'T feel ourselves moving?

2007-10-16 13:27:05 · 9 answers · asked by ♥Twilighter♥ 4 in Earth Sciences & Geology

A rectangle has length of 7 centimeters and width 4 centimeters. What fraction of the perimerter, in simplest form, is the width??

2007-10-16 13:26:35 · 2 answers · asked by Anonymous in Mathematics

Suppose that each cell of a certain bacteria culture divides into two cells every 13 minutes. The initial population of the culture is 55 cells.

Find the expression of the population, P(t), after t hours

2007-10-16 13:25:56 · 2 answers · asked by Lauren 1 in Mathematics

2007-10-16 13:24:50 · 3 answers · asked by Franky 1 in Weather

5x is over x-x2 (the 2 is an exponent)

2007-10-16 13:23:11 · 8 answers · asked by R.K.O.L 2 in Mathematics

2007-10-16 13:23:11 · 10 answers · asked by Anonymous in Medicine

2007-10-16 13:22:24 · 8 answers · asked by saad1224 1 in Mathematics

if two similar parallelograms have areas of 720 square inches and 125 square inches respectively, what is the ratio of two corresponding bases of these parallelograms

2007-10-16 13:20:39 · 2 answers · asked by Anonymous in Mathematics

2007-10-16 13:20:25 · 1 answers · asked by CherryGirl 1 in Physics

explain to me how to solve equations with variable on both sides. heres mi problem: 6(f+5) = 2f - 8

2007-10-16 13:19:02 · 9 answers · asked by sweetcandy900025 1 in Mathematics

A. Archaea are susceptible to antibiotics.
B. Many archaea live in extreme environmental conditions.
C. Scientists believe archaea may be the evolutionary link to eukaryotes.
D. Archaea are the most primitive prokaryotes.

2007-10-16 13:18:22 · 1 answers · asked by *:)* 1 in Botany

2007-10-16 13:15:20 · 10 answers · asked by heartsbabe121 1 in Chemistry

i am doing a chem paper so if anyone knows the exact chemical equations and everything thanks

2007-10-16 13:15:12 · 4 answers · asked by kitty_loves_life 2 in Chemistry

I know that Amerigo Vespucci was named after it, but how really found AMERICA, not the indies, not south america, THE U.S.A?
I need to write a paper and i dont know what to put down.

2007-10-16 13:11:43 · 17 answers · asked by æd∆n 5 in Geography

Mona Yahuso earns three times as much as an actuary as she does as a writer. Her total income is $40,000 more than that of her brother. He earns half as much as Mona does as an actuary. What is Mona’s salary as an actuary?

2007-10-16 13:11:11 · 5 answers · asked by xunsunghero 2 in Mathematics

answer quick ,please i forgot my science book

2007-10-16 13:09:28 · 3 answers · asked by R dog 2 in Weather