Science & Mathematics - 18 December 2006

2006-12-18 10:40:39 · 5 answers · asked by michou 1 in Mathematics

The chemical bond is broken/formed

Energy is released/absorbed

2006-12-18 10:40:04 · 5 answers · asked by Kristina 1 in Chemistry

2006-12-18 10:39:29 · 1 answers · asked by KENG PING KONG 1 in Engineering

im doing a project, about a possible NaOH spill. I have to know details of the chemical, how it changes the pH of a lake when it is dropped in, and what the actual pH of NaOH is. Can anyone help me?

2006-12-18 10:37:59 · 5 answers · asked by Anonymous in Chemistry

2006-12-18 10:36:16 · 5 answers · asked by dthurst2 2 in Chemistry

Is the red color in blood, no?

2006-12-18 10:36:07 · 7 answers · asked by Anonymous in Biology

I think my dogs leg is broke. what should i do. DONT tell me to take him to the vet. anyone who says that is just trying to get attention. I ALREADY THOUGHT OF THAT. all the vets are closed around my town. just tell me if theres any kind of treatment i can use. any at all. please!!!!

2006-12-18 10:35:51 · 9 answers · asked by Anonymous in Biology

I think my dogs leg is broke. what should i do. DONT tell me to take him to the vet. anyone who says that is just trying to get attention. I ALREADY THOUGHT OF THAT. all the vets are closed around my town. just tell me if theres any kind of treatment i can use. any at all. please!!!!

2006-12-18 10:35:07 · 8 answers · asked by Anonymous in Medicine

2006-12-18 10:34:41 · 4 answers · asked by prettyboy 1 in Zoology

2006-12-18 10:33:27 · 8 answers · asked by Anonymous in Earth Sciences & Geology

if you know algerbra

2006-12-18 10:33:09 · 15 answers · asked by hamza a 1 in Mathematics

2006-12-18 10:32:04 · 5 answers · asked by squishyjen21 1 in Chemistry

Ionic/covalent

&

formed by shared/tranfer of two valence electrons

2006-12-18 10:31:53 · 4 answers · asked by Kristina 1 in Chemistry

If the cart starts from rest at 52 meters above ground, what is the speed of the coaster when it gets to 13 meters. (assume that all PE is converted to KE)..... Any ideas on how to do this and show work for it.

2006-12-18 10:31:49 · 5 answers · asked by Anonymous in Physics

2006-12-18 10:31:27 · 3 answers · asked by squishyjen21 1 in Chemistry

You buy a tall, three-legged plant stand. When you place a plant on the stand, the stand appears to be unstable under the weight of the plant. The diagram I was given shows a coordinate plane superimposed on one pair of the plant stand's legs. The legs are extended to form triangle OBC. O(0,0), B(12,48) and C(18,0). Is OBC an isosceles triangle? Explain why the plant stand may be unstable.

2006-12-18 10:30:12 · 3 answers · asked by Anonymous in Mathematics

i dont get how this causes less energy to be used and less airpressure >:( explain these to me

2006-12-18 10:29:06 · 2 answers · asked by andrew 3 in Chemistry

2006-12-18 10:28:01 · 5 answers · asked by amber d 1 in Earth Sciences & Geology

The rings of a Saturn-like planet are composed of chunks of ice that orbit the planet. The inner radius of the rings is 69,000 km, while the outer radius is 155,000 km.The mass of this planet is 4.25 *10^26 kg.
Find the period of an orbiting chunk of ice at the inner radius

2006-12-18 10:27:51 · 3 answers · asked by tjmierzwa 2 in Physics

2006-12-18 10:25:57 · 8 answers · asked by eduardaberry 1 in Chemistry

5n-37=3n-55


why do u subtract 3n first
why not add 37 or 55 or subtract 5n??
please explain


i found out the answer is -9 thx
but what exactly are the steps like not on this problem in general

2006-12-18 10:25:12 · 14 answers · asked by Sushilove 2 in Mathematics

2006-12-18 10:24:55 · 5 answers · asked by Myra D 1 in Medicine

how do i figure this out

sinx/cscx + cosx/secx = sinx cscx

i've tried turning csc into 1/sin & sec into 1/cos but that got me to sin^2x & cos^2x to get 1. i don't kno where i went wrong but i need some help with that one!


one more i have is 2sin^2x - 1 = tanx -cotx/tanx+cotx.

i've tried switching the sin^2x to 1-cos^2x but i don't kno how i would get tan & cot.


if someone can showme how to work these problems out i'd appreciate it so much

2006-12-18 10:24:00 · 3 answers · asked by Anonymous in Mathematics

please expalin how the reduction and rearrangement are accpmplished in meiosis please

PS!: if you know any website with nice animations for that subject please let me know! :)

2006-12-18 10:23:15 · 2 answers · asked by ¤AFTERN00N L0VAH¤ 2 in Biology

2006-12-18 10:22:09 · 6 answers · asked by Anonymous in Zoology

how do i figure this out

sinx/cscx + cosx/secx = sinx cscx

i've tried turning csc into 1/sin & sec into 1/cos but that got me to sin^2x & cos^2x to get 1. i don't kno where i went wrong but i need some help with that one!


one more i have is 2sin^2x - 1 = tanx -cotx/tanx+cotx.

i've tried switching the sin^2x to 1-cos^2x but i don't kno how i would get tan & cot.


if someone can showme how to work these problems out i'd appreciate it so much

2006-12-18 10:19:08 · 2 answers · asked by Anonymous in Mathematics

A person can change the volume of his body by taking air into his lungs. The amount of change can be determined by weighing the person underwater. Suppose that underwater a person weights 20.0 N with partially full lungs and 40.0 N with empty lungs. Find the change in body volume.

2006-12-18 10:17:52 · 2 answers · asked by candy 3 in Physics

People eat the meat, obviously. But what about the bone? Is all that just wasted?

2006-12-18 10:16:30 · 6 answers · asked by Anonymous in Zoology

2006-12-18 10:16:26 · 4 answers · asked by hoopstar26301 2 in Chemistry

2006-12-18 10:15:24 · 6 answers · asked by gone 6 in Astronomy & Space