Science & Mathematics - 4 December 2006

Science;Chemistry.

2006-12-04 10:01:50 · 8 answers · asked by toribkeith 1 in Chemistry

I also need how it occurs and now!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!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2006-12-04 10:01:32 · 7 answers · asked by LastHorcrux 3 in Earth Sciences & Geology

2006-12-04 10:00:23 · 3 answers · asked by john m 1 in Astronomy & Space

A 64.0-kg person, running horizontally with a velocity of +3.76 m/s, jumps onto a 10.8-kg sled that is initially at rest.

(a) Ignoring the effects of friction during the collision, find the velocity of the sled and person as they move away.

b) The sled and person coast 30.0 m on level snow before coming to rest. What is the coefficient of kinetic friction between the sled and the snow?

2006-12-04 09:59:21 · 3 answers · asked by Anonymous in Physics

2006-12-04 09:58:27 · 3 answers · asked by ally c 1 in Chemistry

im doin a project and i need answers from ppl who KNOW!!! asap!


1.examples to when law applies to everyday situations

2.how does the law relate to forces??

if u get it from a website that would b great if u gave me it to!!!!!!

2006-12-04 09:58:16 · 1 answers · asked by Team Jacob :) ||kiki♥|| 3 in Physics

2006-12-04 09:55:49 · 12 answers · asked by tigerbusinessad 1 in Mathematics

2006-12-04 09:54:21 · 3 answers · asked by john m 1 in Astronomy & Space

Write an equation for the reaction of H+ with a solution containing both HCO3- and CO3 2-

(HCO3)- --> (CO3)2- +H+

2006-12-04 09:51:30 · 3 answers · asked by Dan 2 in Chemistry

How do I solve this problem?

Beth has 3000 ft of fencing available to enclose a rectangular field.
a) express the area A of the rectangle as a function of x, where x is the length of the rectangle.
b) for what value of x is the area the largest?
c)what is teh maximum area?

2006-12-04 09:51:20 · 2 answers · asked by Penny C 1 in Mathematics

2006-12-04 09:50:33 · 6 answers · asked by Bob A 1 in Biology

ok I came up with the answer 36ft but I do not think this is correct, please help me with the steps I should take to resolve this.

"if a ball is thrown straight up with an initial velocity of 48 ft per sec., its height after t seconds is given by the formula s=48t-16tsquared. Find the maximum height attained by the ball."

2006-12-04 09:49:07 · 6 answers · asked by Penny C 1 in Mathematics

2006-12-04 09:48:44 · 7 answers · asked by Suzanne R 1 in Geography

2006-12-04 09:47:44 · 5 answers · asked by Anonymous in Earth Sciences & Geology

Please answer seriously..Thanx

2006-12-04 09:46:59 · 4 answers · asked by **ChaosAngel** 4 in Chemistry

Which of the following hydrides is the most ionic?

a) LiH
b) NaH
c) CH4
d) NH3
e) RbH

2006-12-04 09:46:48 · 1 answers · asked by Ruphert J 1 in Chemistry

bh/2 = area of a triangle bh = area of Parallelogram

2006-12-04 09:46:39 · 6 answers · asked by Hendawg 2 in Mathematics

2006-12-04 09:45:37 · 3 answers · asked by docdinkum 1 in Geography

Which one of the following is a covalent oxide?

a) BeO
b) MgO
c) K2O
d) Rb2O
e) CaO

2006-12-04 09:43:50 · 1 answers · asked by Ruphert J 1 in Chemistry

2006-12-04 09:43:30 · 4 answers · asked by Anonymous in Mathematics

how do you find the geometric mean and harmonic mean of:
2/3, 3/4, and 9/36?

2006-12-04 09:43:22 · 2 answers · asked by Anonymous in Mathematics

at McDonalds you can order chickennuggets in boxes of 6,9 and 20. what is the largest number such that you cannot order any combination for the above to acheive exactly the number you want?
in other words:
if you could buy nuggets in boxes of 6,9,and 20, what is the highest,largest, number that you canno't get from any combination of the boxes of nuggets(box of 6,9,and 20) plz answer ONLY if you know. IF YOU DON"T KNOW DON"T ANSWER!PLZ!

2006-12-04 09:42:32 · 4 answers · asked by the genius 1 in Mathematics

In school we get these annoying worksheets everyweek called "Grows" this is question #6 on "Grow 11" Please help me...Thanks! <33

2006-12-04 09:41:57 · 3 answers · asked by Anonymous in Geography

I had to do ten of these problems for homework, but I'm stumped on this one. I also need to write an equation to show my work. If you can help, it would be greatly appreicated!

Carmen sold play tickets. Each adult ticket cost $4.00 and each student ticket cost $2.00. The total number of tickets sold was 260, and the total income was $700.00. How many of each kind of ticket were sold?

Please help me find and answer. Thanks!

2006-12-04 09:41:29 · 5 answers · asked by Anonymous in Mathematics

It's for my homework in pre-algebra. I can't figure it out, and it's on my nerves. lol! I keep getting 0. But I know it's not right because the answer has a letter and it goes in a riddle, and it wouldn't make sense if it was 0.

2006-12-04 09:41:06 · 7 answers · asked by (R) Sarah and Andy. 4 in Mathematics

this is due tomorrow...where can i start/a step by step solution would be great...

http://img74.imageshack.us/my.php?image=img012brz6.jpg

way too hard

2006-12-04 09:40:25 · 1 answers · asked by Anonymous in Physics

2006-12-04 09:40:00 · 3 answers · asked by Anonymous in Physics

If you had one, where would you go first, past or future?
and why?

2006-12-04 09:39:07 · 28 answers · asked by gone 4 in Other - Alternative

Does mixing vinegar with baking soda explode faster than mixing vinegar, baking soda, and water?

2006-12-04 09:38:32 · 4 answers · asked by Anonymous in Chemistry

I have an infinite series which is convergent and I want to know exactly what number it converges to, to very high precision. Is this possible and if so, by what methods? The series in question is:

Sum for n =0 to infinite of 1/[(n+1)(1+n/2)(2^(2n+2))]

2006-12-04 09:37:39 · 3 answers · asked by CorneliusMurphy 2 in Mathematics