Science & Mathematics - 21 December 2006

2006-12-21 14:06:20 · 9 answers · asked by Margo H 1 in Geography

2006-12-21 14:04:31 · 3 answers · asked by pinkiezbox 1 in Chemistry

2006-12-21 14:00:19 · 8 answers · asked by maria r 1 in Biology

a. 2NaCI+H2SO4+ ---->HCL+NaSO4
b. NH3+H2O----->2NH4OH
c. KOH+H2SO4------>KHSO4+H2O
d. 2Na+S ------>2NaS

2006-12-21 13:59:30 · 9 answers · asked by Anonymous in Chemistry

i have heard before that if you rubed your feet agains a rug and then you touch another object or person it would feel like a little shock for them i dont remember if it was static friction or another type of friction. but i would like to know how to do that???? any websites??????? thanx!!!!

2006-12-21 13:59:22 · 3 answers · asked by soccerdude 2 in Physics

2006-12-21 13:57:36 · 9 answers · asked by alicesarbonne 2 in Zoology

2006-12-21 13:55:38 · 4 answers · asked by Margo H 1 in Geography

it often happens by the person I am trying to help or do something nice for. It's a really ugly feeling.

2006-12-21 13:52:53 · 8 answers · asked by JizZ E. Jizzy 2 in Engineering

don't steal my idea, this is considered "in writing" and I said it first.

I think it would be a very useful addition to homes since most of our electronics require DC power. Just about anything you plug into the wall that has a big black box on the cord is taking the 120V AC voltage from the electric companies and turning it into a much lower 6V to 24V DC power. This could be avoided by having a self contained power source in the basement with a gas powered generator.
Think about it. with our homes battery powered, a 'power-out' could shut down your neighborhood and you still have your DC powered electronics. your laptops, cable modems, routers, etc will still be working.
My home uses a cable modem that also takes care of my phone line. in a blackout, I loose my telephone. But not if it has a battery backup. They already make battery backups but why not have it central to the house. and with gasolene recharging it you have that power in case of emergencies.

2006-12-21 13:50:16 · 10 answers · asked by JizZ E. Jizzy 2 in Engineering

2006-12-21 13:45:27 · 3 answers · asked by Sir 3 in Astronomy & Space

The aluminum is cut into tiny pieces and the KOH had been added with 80% water.

2006-12-21 13:44:46 · 6 answers · asked by nc123135 1 in Chemistry

I like need some major help on balancing these plz. Im trying to balance these and i just cant.

ALL the numbers in each equations are subscripts.


A.) C4H10 + O2 --------> CO2 + H2O
******************************...
B.) Na + H2O ----> NaOH + H2
******************************...
C.) NaF + FeCl3 -----> Na3FeF6 + NaCl
******************************...
D.) NH3 + O2 -----> NO + H2O
******************************...

2006-12-21 13:44:45 · 4 answers · asked by Pearl 2 in Chemistry

price of tungten per ounce american dollar

2006-12-21 13:44:33 · 3 answers · asked by Anonymous in Earth Sciences & Geology

two are 2 and 4, but I cant get the third

2006-12-21 13:43:52 · 14 answers · asked by Anonymous in Mathematics

I have a theory on gravity and defying it.

2006-12-21 13:41:58 · 8 answers · asked by bricyns 1 in Physics

2006-12-21 13:40:34 · 8 answers · asked by Anonymous in Mathematics

2006-12-21 13:40:15 · 8 answers · asked by tangfk 1 in Physics

30 cards from a deck of 52 playing cards and in a pile on a table. what is the difference between the number of black cards in this pile and the number of red cards in the rest of the deck?

2006-12-21 13:39:04 · 4 answers · asked by Anonymous in Mathematics

That goes through point (-5,11) and is parallel to the y-axis

2006-12-21 13:38:41 · 8 answers · asked by 2 days after my B day :) 2 in Mathematics

The room is is square with no openings and the mirrored surface is a perfect reflective surface. I would turn on the light and then turn it off. Would the beam keep reflecting from surface to surface? And if not, what would happen to it?

2006-12-21 13:38:10 · 6 answers · asked by cal w 1 in Physics

What are the coordinates of point B of segment DB, if D (-5,9) and midpoint M (2,-1)?

2006-12-21 13:38:00 · 3 answers · asked by 2 days after my B day :) 2 in Mathematics

An alphametic is a computation puzzle using letters instead of digits. Each letter represents one of the digits 0-9, and two different letters cannot represent the same digit. Some alphametic puzzles have more than one answer.

Find the value for each letter in each alphametic.

1. HALF + HALF = WHOLE

2. TWO + TWO = FOUR

2006-12-21 13:36:28 · 1 answers · asked by Anonymous in Mathematics

2006-12-21 13:35:50 · 4 answers · asked by mcrlover862 1 in Biology

Does anybody know the organ that is posterior to the intestine in grasshoppers?
please if your gonig to answer, please let it be a almost positive answer

Thahnk you sooooooo much!

2006-12-21 13:35:46 · 2 answers · asked by Mike C 1 in Biology

2006-12-21 13:34:44 · 4 answers · asked by mcrlover862 1 in Biology

I was told by a friend that water is held together via positive and negative magnetism... Sought of like a north and south pole Idea. Perhaps someone could clarify this for me.. Thank You..

2006-12-21 13:31:24 · 9 answers · asked by LipSync 1 in Physics

hey i just want to know who's virgo and what virgo's are in the house lol

2006-12-21 13:30:06 · 5 answers · asked by cami 2 in Astronomy & Space

Please help me with this question..i'm clueless about it

limit 3 +2x/4x - 1
x → ∞

Answer given is 1/2...how is that possible?

2006-12-21 13:23:18 · 11 answers · asked by Esther L 1 in Mathematics

Does anybody know what you call knots of nerve on the nerve cord in grasshoppers?

Please i need this answer to help me pass biology.

2006-12-21 13:21:22 · 2 answers · asked by Mike C 1 in Biology

whats the difference between simplist form and lowest terms?

2006-12-21 13:18:40 · 9 answers · asked by hi :) 2 in Mathematics