i get Al-5 S-2 but from here i cannot get it to Al2 S3, btw i have not been taught how to find the chemical formula for certain substances so if you could also tell me the steps on how to do it, it would be great and greatly acknowledged

2006-12-17 14:20:22 · 3 answers · asked by Anonymous in Chemistry

0 ⤊

math problem, need help?

AN uncrossed belt is fitted without slack around two circular wheels with radii 19cm and 3 cm. The distance between the initial points of contact of the belt with the wheels is 30 cm. Find the distance, in centimetres, between the centres of the wheels.

2006-12-17 14:19:50 · 5 answers · asked by mascga3 1 in Mathematics

2 ⤊

What is London Blue Topaz?

Is it simulated or natural

2006-12-17 14:18:01 · 3 answers · asked by Stacye S 3 in Earth Sciences & Geology

0 ⤊

How does a gravity core work?

2006-12-17 14:16:30 · 3 answers · asked by redmonkey9000 1 in Geography

0 ⤊

Is it possible that a visbile star has already died but that its current image has not yet reached Earth?

2006-12-17 14:16:28 · 17 answers · asked by sba05 1 in Astronomy & Space

5 ⤊

What is the relationship between pressure and motion of molecules in a gas?

Is the relationship between pressure (cause) and motion of molecules in a gas (effect) inverse or direct?

2006-12-17 14:16:18 · 6 answers · asked by CodyBJ 2 in Physics

1 ⤊

A club has nine members. In how many ways can a president, vice president, and secretary be chosen?

2006-12-17 14:15:21 · 9 answers · asked by dynoair821 1 in Mathematics

0 ⤊

Anone know about Wolf spiders?

I was wondering if they are venemous? How painful is the bite from a Wolf spider? Are there any damaging effects from the bite? They are the biggest spiders I've ever seen, not including the trantuala.

2006-12-17 14:15:03 · 4 answers · asked by smcdevitt2001 5 in Zoology

4 ⤊

If you were in outer space and suddenly had to fart, what would happen?

2006-12-17 14:14:45 · 11 answers · asked by ghettodiplomat2005 1 in Astronomy & Space

7 ⤊

Who was the first to tell all that the world was round?

2006-12-17 14:14:28 · 11 answers · asked by gilly4 1 in Weather

19 ⤊

how far and fast does Santa has to travel?

2006-12-17 14:14:12 · 8 answers · asked by norman h 1 in Geography

1 ⤊

why does the sun always come up from the east?

2006-12-17 14:12:58 · 22 answers · asked by gilly4 1 in Weather

1 ⤊

csc(90º+θ) = secθ?

how do you figure it out?

2006-12-17 14:10:22 · 7 answers · asked by Anonymous in Mathematics

2 ⤊

why wont any one answer my question?

Give an example of a solution in which:
A. a solid dissolved in a solid
B. a gas is dissolved in a liquid
How does a solution differ from other mixtures?
What contributions did the alchemist make to modern science?

2006-12-17 14:07:42 · 2 answers · asked by I heart you! 2 in Chemistry

0 ⤊

need help with arithmetic geometric squences,?

I have several problems I am trying to work out I need to find using the nth term of arithmetic seq. what the 101st term and also find the sum of the 20th term and then the 30th term> understand that the ratio is +2 in this sequence 1,2.4,8 but I don understand how to figure what the term is. really. and the nth term i dont get at all.
I also have to figure the same thing different numbers in the geometric sequence 1,1/2,1/4,1/8 .
but I don't know using the nth term of geometric seq. what is the 24th term. and using the same seq. finding the sum of the first 10 terms and them the 12 term rounded to the 4 decimal.
and how do you tell what whole number will the sum be smaller than. I would really appreiciate if someone could talk me through how to determine these things , like explaining where each number comes from. thanks

2006-12-17 14:05:26 · 4 answers · asked by SHERRY L 1 in Mathematics

6 ⤊

(x)/(x-2)-(x-2)/(x-2)?

can someone solve this problem? It is very urgent. Thanks in advance

2006-12-17 14:04:10 · 11 answers · asked by bts_22 1 in Mathematics

10 ⤊

why is a moo mooo nightgown called a moo moo?

Just wondering!

2006-12-17 13:58:25 · 9 answers · asked by kayla_94541 1 in Geography

0 ⤊

What is the purpose of the negative wire of a lightbulb?

How come it doesnt have a current, but it needs to be connected for the light to work?

2006-12-17 13:57:05 · 8 answers · asked by Anonymous in Engineering

0 ⤊

how would you define the extension of a spring?

2006-12-17 13:56:59 · 2 answers · asked by jset1989 2 in Physics

4 ⤊

What is the biggest Snake?

In the world

2006-12-17 13:54:44 · 9 answers · asked by Rosalyn W 2 in Zoology

1 ⤊

Did anyone every go to the Griffin Planatarium?

Did you learn anything there?

2006-12-17 13:53:01 · 4 answers · asked by SweetBrunette 5 in Astronomy & Space

5 ⤊

If we pump out all the oil from underneath us, will we fill it in with something ells? Is it necessary?

Should we be concerned of anything collapsing and mabe causing another tsunami or earthquake? Just asking.

2006-12-17 13:47:57 · 5 answers · asked by Me 1 in Earth Sciences & Geology

1 ⤊

what happens to the middle term when you factor a perfect square?

like, the answer to a^2+10ab+25b^2 is (a+5b)^2. What happened to 10ab?

2006-12-17 13:46:04 · 7 answers · asked by Anonymous in Mathematics

4 ⤊

The _ _ ____ requires energy to function.?

Fill in the blanks

2006-12-17 13:43:40 · 8 answers · asked by GreenDayFan001 1 in Biology

15 ⤊

Who here thinks Pluto deserves to be a planet!?

The return of Pluto!? There appears to be terrestrial, gaseous and ice planets. If Pluto has valleys, plains, canyons, hills, volcanoes and mountains, regardless of gravity and atmosphere, can Pluto be a planet!?

2006-12-17 13:42:47 · 15 answers · asked by Sir Grandmaster Adler von Chase 7 in Astronomy & Space

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