Science & Mathematics - 18 January 2007

2007-01-18 10:15:22 · 4 answers · asked by MICHAEL C 1 in Earth Sciences & Geology

2007-01-18 10:14:47 · 21 answers · asked by mich n 1 in Geography

2007-01-18 10:14:13 · 12 answers · asked by lyenain 1 in Biology

the capitals of Colorado, Hawaii, IIlinois, Massachusetts, michigans, mississippi, new jersey, ohio, oklahoma, south carolina, tennessee, and utah thank you!

2007-01-18 10:13:52 · 2 answers · asked by lovemestill2004 1 in Geography

A) Its Density is 2.97 g/cm(cubed)
B) It reacts with hydrogen to form a gas.
C) It is a yellow solid.
D) Its melting point is 112(degrees) C.
E) It combines with oxygen.

2007-01-18 10:13:46 · 3 answers · asked by Anonymous in Chemistry

If an aqueous solution has [OH] = 3.0 x 10-11 mol/L, would the solution be:
a. An acidic solution
b. A basic solution
c. A neutral solution
And why?

2007-01-18 10:13:27 · 5 answers · asked by untilyoucamealong04 3 in Chemistry

3. The pH of a solution is 5. What is the hydrogen ion concentration as well as the hydroxide ion concentration?

2007-01-18 10:11:41 · 1 answers · asked by untilyoucamealong04 3 in Chemistry

2007-01-18 10:11:38 · 6 answers · asked by kitty 1 in Astronomy & Space

and continuing from question , and how many are most likelly helppppp!

2007-01-18 10:09:40 · 2 answers · asked by Jemz 3 in Mathematics

2007-01-18 10:09:31 · 2 answers · asked by cuteness757 1 in Botany

This can turn greenhouse gas into fuel (CO is the starting point for Fischer-Tropsch reaction)

2007-01-18 10:09:04 · 4 answers · asked by joker 1 in Chemistry

2007-01-18 10:08:20 · 5 answers · asked by jeff m 2 in Weather

help please!!!

2007-01-18 10:07:42 · 5 answers · asked by Kate 1 in Mathematics

a. x - 4 = y
b. -y = 4 + x
c. y = x - 4
d. y = x + 4

2007-01-18 10:07:27 · 9 answers · asked by BoOBoO 1 in Mathematics

hw question and i'm really stuck.

It also asks .... WHat is the percent of water in the hydrate formed? show work.

Please help. THanks.

2007-01-18 10:07:11 · 2 answers · asked by Kara T 1 in Chemistry

Vector A and B are not along the same line

2007-01-18 10:06:21 · 3 answers · asked by argentina 1 in Physics

2007-01-18 10:03:26 · 8 answers · asked by ~♥Diana♥~ 2 in Astronomy & Space

and give roman numerals if need be.....

1. Ca(OH)2
2. Pb(NO2)2
3. Ba3(PO4)2
4. Cr2O3
5. NH4Br
6. MgCr207
7. Pb(CO3)2
8. NH4Br

thank you.

2007-01-18 10:03:08 · 3 answers · asked by Lily 1 in Chemistry

2007-01-18 10:02:58 · 8 answers · asked by niecey1986 1 in Zoology

2007-01-18 10:01:58 · 3 answers · asked by Kimberly B 1 in Chemistry

When a rock is dropped from a cliff into an ocean, it travels approximately 16t^2 feet in t seconds. If the splash is heard 4 seconds later and the speed of sound is 1100 ft/s, approximate the height of the cliff.

Thanks.....

2007-01-18 10:01:51 · 2 answers · asked by jaxjagsfan19 1 in Mathematics

PLEZE help!!! I need this 4 a sci project by 2morrow!!!

2007-01-18 10:01:49 · 6 answers · asked by Anonymous in Biology

2007-01-18 10:01:01 · 9 answers · asked by Anonymous in Astronomy & Space

I really need help for Algebra 2 with a website thats free!!!

2007-01-18 10:00:53 · 1 answers · asked by kraziee305 1 in Mathematics

I have a report on tetraflouroethane and i have to find the atomic
number, atomic weight, its symbol, valence number, electron orbit, and which famliy it belongs two

2007-01-18 10:00:36 · 3 answers · asked by soldier4christ_05 1 in Chemistry

2007-01-18 10:00:27 · 2 answers · asked by Anonymous in Chemistry

2007-01-18 09:59:42 · 16 answers · asked by myloyloy 1 in Astronomy & Space

Sun-like stars are common. Water, amino acids and other org molecules are too. Even sources of energy such as starlight and reduction-oxidation pairs are. Sooooo.......

2007-01-18 09:58:29 · 6 answers · asked by Janet K 1 in Astronomy & Space

How long is a moment? and how short is an instant?

2007-01-18 09:58:22 · 8 answers · asked by ? 3 in Other - Science

2007-01-18 09:58:19 · 5 answers · asked by PIGGY 1 in Biology