Science & Mathematics - 11 December 2006

Which of the following characteristics is most alike in elements that have similiar chemical properties..

1. specific gravity
2. Specific heat
3. valence electron configuration
4. refractive index

2006-12-11 08:11:40 · 3 answers · asked by rnjes21 2 in Chemistry

What is known of the function related to prime numbers pi(x),the number of primes under number x.


i want to know as much as possible of function pi(x) the number of primes lower then x

2006-12-11 08:10:12 · 2 answers · asked by Pushpendra C 1 in Mathematics

THIS IS A PHYSICS EXPERIMENT. I must build around the egg with these straws and tape. What should i do?

2006-12-11 08:09:30 · 7 answers · asked by Drew 2 in Physics

also how many acres is 1,146sq.ft? and no it's not for school actually if anyone could help me figure out the formula to figure this out myself it would really help. an acre is 43,560sq.ft

2006-12-11 08:09:21 · 5 answers · asked by PuRe 1 in Mathematics

what can i feed him now to absorb the onion? i cant bring him to a vet its an hour drive away and also hes not my dog and my bf isnt here. the dog isnt displaying any signs of sickness yet but i fed him burger king onion rings about 10-15 of them, not knowing they were toxic to dogs....what should i do????

2006-12-11 08:09:19 · 4 answers · asked by chocolate_cat 3 in Zoology

thanks.

2006-12-11 08:08:24 · 9 answers · asked by KP 1 in Mathematics

a solution contains 26.5 g NaCl in 75 g water at 20degrees C. is the solution unsaturated, saturated, or supersaturated?
its solubility at 20C is 36 g/100 g water.

2006-12-11 08:08:23 · 2 answers · asked by Anonymous in Chemistry

2006-12-11 08:05:57 · 6 answers · asked by voodoo 2 in Physics

2006-12-11 08:05:29 · 8 answers · asked by angelo s 1 in Mathematics

please hurry

2006-12-11 08:04:38 · 5 answers · asked by ana d 1 in Chemistry

how would i solve and express this in interval notation

x-8/x+5 <2

2006-12-11 08:04:08 · 2 answers · asked by Anonymous in Mathematics

what is the EPA (environmental protection agency's) standard to stop the contamination of groundwater called? i think it was made in 1987 or 1986. please help!

2006-12-11 08:00:36 · 1 answers · asked by polakio92 2 in Earth Sciences & Geology

at Lalala Middle School there are 475 students. 36% of the students are in seventh grade. How many students are in seventh grade??

2006-12-11 07:58:43 · 5 answers · asked by C 1 in Mathematics

I have a project for physics, and we have to make a dreidel that can spin 5 seconds. I know the basic steps on how to make one.

What should I use to make it in order for it to spin longer? caly, cardboard, wood, etc? And how? (altering the shape)

2006-12-11 07:57:19 · 7 answers · asked by kiki 1 in Engineering

non-adjacent supplementary angles
adjacent supplementary angles
alternate exterior angles
alternate interior angles
or a site where I can find an understandable definition of these words

2006-12-11 07:57:13 · 6 answers · asked by Taylor 3 in Mathematics

there exist recursive enumerable subset of natural numbers that is not recursive.

2006-12-11 07:55:18 · 1 answers · asked by Al-Gore 1 in Other - Science

2006-12-11 07:55:14 · 3 answers · asked by zeck 1 in Mathematics

there exist recursive enumerable subset of natural numbers that is not recursive.

2006-12-11 07:54:52 · 1 answers · asked by Al-Gore 1 in Mathematics

2006-12-11 07:54:32 · 7 answers · asked by Anonymous in Zoology

units in g/L what is the density of methane gas at STP

2006-12-11 07:51:48 · 4 answers · asked by rnjes21 2 in Chemistry

2006-12-11 07:50:37 · 14 answers · asked by clara bell 1 in Mathematics

2006-12-11 07:47:51 · 5 answers · asked by George G 5 in Medicine

2006-12-11 07:44:25 · 11 answers · asked by Dakotah W 1 in Zoology

Looking through historical records of the quasar 3C49, which is at a distance of 150 Mpc, you discover that it underwent a brightening beginning in 1959 and lasting for 11 years before fading back to its original brightness. At its maximum brightness, it was 70 times brighter than it is normally.

What is the largest possible size of the region that underwent the outburst? Express your answer in light years:

2006-12-11 07:42:52 · 4 answers · asked by ledikun 1 in Astronomy & Space

Roberts bike tires are 20 inches in diameter.Whats the circumfrence of a 20-inch circle?(Use 3.14 for Pi

2006-12-11 07:42:34 · 10 answers · asked by blake_footballstar 2 in Mathematics

2006-12-11 07:41:50 · 2 answers · asked by mady 1 in Medicine

if you have 0.5 mol glucose (C6H12O6) in 1000g H2O?

2006-12-11 07:40:14 · 1 answers · asked by Anonymous in Chemistry

2006-12-11 07:38:39 · 17 answers · asked by Crackerass 2 in Physics

2006-12-11 07:38:09 · 4 answers · asked by IshotJR 2 in Astronomy & Space

2006-12-11 07:37:02 · 3 answers · asked by james n 1 in Biology