Science & Mathematics - 3 November 2007

A 14.9g sample of element A reacts incompletely with a 7.11g sample of element B. What is the total mass of the product plus the portion of A that did not react?

2007-11-03 21:35:06 · 2 answers · asked by bugsquirt24 3 in Chemistry

http://i106.photobucket.com/albums/m273/starrynight_03/trigchartcopy.jpg

help me to fill in the blanks of the table, i seemed to have gotten everything right except for the ones in blue, can u tell me what the sec theta, csc theta, etc equals when its at that certain radian and degree?

please help, i need this chart completed in order to do my homework assignment because i need to use these identities.

10 POINTS TO WHOEVER HELPS ME FILL IN THE BLANKS!!

2007-11-03 21:32:09 · 14 answers · asked by Anonymous in Mathematics

2007-11-03 21:30:12 · 2 answers · asked by kdat 1 in Chemistry

2007-11-03 21:30:09 · 3 answers · asked by Hi 2 in Medicine

2007-11-03 21:26:39 · 7 answers · asked by Kylie D 1 in Mathematics

2007-11-03 21:10:35 · 2 answers · asked by janice r 1 in Chemistry

Could anyone please explain how to figure it out? I would appreciate it. Thanks.

2007-11-03 21:10:19 · 7 answers · asked by Jay 1 in Mathematics

2007-11-03 20:45:57 · 17 answers · asked by rosehanizar m 1 in Weather

Ok for science i have to do this assigment, which asks the hypothesis, "The hotter the water is, the more salt it will dissolve", i got a question asking which would be the indendant, dependant && controlled variles in this experiement, anyone know, cause i have no idea!!

2007-11-03 20:42:41 · 2 answers · asked by ♫ 4 in Chemistry

why limf(x)^g(x)=1^infinity is e^lim[f(x)-1]*g(x) ????????

2007-11-03 20:42:20 · 2 answers · asked by Anonymous in Mathematics

I am supposed to prove this is a divergent series. I'm trying to apply the Integral Test. I think the function is positive, continuous and decreasing on x > or equal to 1, but I can't integrate this. Please help me find the anti-derivative of:

1/(1 + 2ln(x))

When you have an infinite series like this, can you compare logarithms using a direct comparison or limit comparison?

2007-11-03 20:36:12 · 2 answers · asked by Anonymous in Mathematics

2007-11-03 20:29:15 · 4 answers · asked by Anonymous in Mathematics

Heres my rough opinion only based on limited research. As the cable tie snapped, a small amount of torsional movement was created due to vortex shedding and wind eddies. The shedding frequency did not match that of the bridge so it was not the FINAL cause of collapse. However, it did allow some torsional movement. The cross-section of the bridge acted as an airfoil. As it tilted up on the windward side, the velocity of the wind was greater on the top (since a greater distance had to be covered in the same time) than the bottom. This created a greater pressure (P=F/A) on the bottom edge, thus creating a force perpendicular to the cross-section of the bridge. THis motion was repeated until the bridge finally collapsed. As the width to length ratio of the bridge was very small causing the bridge to be too flexable.

2007-11-03 20:26:48 · 4 answers · asked by Anonymous in Physics

It is disprortionately the high sensitivity of ethdium at low DNA concs that is probably causing the lack of valleys between peaks. Putting it another way, its lack of linearity at high DNA concs. This is well known as a general property of fluorescence.
is that true and where i can find out more about this?

2007-11-03 20:04:40 · 1 answers · asked by loser 3 in Chemistry

I think my stuff is worth it but I thought I'd get an answer 'cause there must be a salary cap even in Healthcare right?

2007-11-03 20:02:51 · 2 answers · asked by The Coroner of China 3 in Medicine

2007-11-03 19:58:42 · 8 answers · asked by Anonymous in Astronomy & Space

2007-11-03 19:44:41 · 4 answers · asked by nagaraja g 1 in Mathematics

use addition method

2007-11-03 19:34:50 · 3 answers · asked by Mary L 2 in Mathematics

if you take a spectrum of a star and find that its absorption line of hydrogen which is at 6563A in the lab and is Doppler shifted to 7000A. Is the star moving toward us or away from us? Why?

2007-11-03 19:31:10 · 2 answers · asked by Anonymous in Physics

2007-11-03 19:30:09 · 2 answers · asked by little star 1 in Medicine

prime numbers?
Is 1,2,3,4 prime numbers?

2007-11-03 19:13:15 · 5 answers · asked by Anonymous in Mathematics

In simplest form.

2007-11-03 19:07:10 · 8 answers · asked by Anonymous in Mathematics

2007-11-03 19:06:16 · 1 answers · asked by AngelOfWar 2 in Physics

A ladder 15ft long rests against a vertical wall. If the bottom of the ladder slides away from the wall @ a rate of 3 ft/s, how fast is the top of the ladder sliding down the wall when the bottom of the ladder is 6ft from the wall.

2007-11-03 19:06:15 · 3 answers · asked by Vicky 2 in Mathematics

2007-11-03 19:01:51 · 3 answers · asked by Monkey 1 in Biology

2007-11-03 19:00:13 · 6 answers · asked by Vicky 2 in Mathematics

My girlfriend is studying to be a zoologist but I dont think she knows what shes getting into. Can someone tell me what the job entails exactly?

2007-11-03 19:00:12 · 3 answers · asked by Mr BeatiniK 2 in Zoology

Hey, i have done some factoring but i came across one that is not like the others. I've seen this a couple of times before and i ran through my notes a few times because i thought i copied it down but it appears i had not. If you can factor this one out for me, i can use it as a template for the rest. Thanks for your help.

r^2+4rs+4s^2

2007-11-03 18:58:09 · 8 answers · asked by basketcase 2 in Mathematics

2007-11-03 18:56:58 · 8 answers · asked by joeycarino4 1 in Mathematics

2007-11-03 18:51:30 · 3 answers · asked by Anonymous in Biology