Questions Asked on
December 16, 2006

Chemistry
Can you please answer this question: Both water and carbon dioxide are triatomic molecules. Explain why one of these molecules is polar and the other is nonpolar? Carbon dioxide is linear :C::O::C: and therefore has no net electrical dipole. Water is a
asked by Beautiful 
Chemistry
I know how to find halflives, but I have trouble finding the length of time it would take for the concrentration of X to decrease to Y% of its initial value. For example, this is one of the problems: Methyl isocyanide, CH3NC, isomerizes when heated to
asked by Rachel 
Physics
A 250 g block is dropped onto a relaxed veritcal spring that has a spring constant of k=2.5 N/cm. The block becomes attached to the spring and compresses the spring 12 cm befor momentarily stopping. While the spring is being compressed, what work is done
asked by Me 
chemistry
does chlorine or carbon have greater ionization energy? I would expect it to be harder to pull an electron away from 17 + charges on chlorine than 6+ charges on carbon; although the outer electron is farther away in Cl. You can look these things up in a
asked by Carter 
chemistry
What is the maximum number of hybrid orbitals a carbon atom can form? Is it 4 because carbon has 4 valence electrons? yes.
asked by Carter 
social studies
what was the magna carta????. help with study guide for midterm in social studies It is an written agreement signed by King John of England in 1215, limiting the powers of the King. It is one of the most important legal documents leading to the development
asked by jordan 
physics
A person pushes a 10 kg box from rest and accelerates it to a speed of 3.2 m/s with a constant force. If the box is pushed for a time of 2.6 s, what is the force exerted by the person? force*time=mass*changeinvelocity solve for force.
asked by mel 
chem
What type of hybridization corresponds to what type of bond? numerous kinds. sp3 is tetrahedral, sp2 is trigonal planar, sp is linear, d2sp3 is octahedral, etc. I'm sure these are in your text. But these hybrids of coordination number 4, 3, 2, and 6 are
asked by john 
Abnormal psychology
what are the tenets of pharmacology I found more then three "basic tenets of pharmacology" online: The dose should be no larger than that necessary for the desired effect The drug molecules must get so close to the cellular molecules that the function of
asked by Carol 
chemistry
How do you name this acid? HClO2 I found the answer but now I need to know N2F4. chlorous acid dinitrogen tetrafluoride
asked by Carter 
algebra
How do you find the relative maximum and minimum of a graph using a graphing calculator? Specifically, a Texas Instruments 82, if possible? Thanks! Plot the graph. Look at the graph, look the points of maxim (slope=0) and the min (slope=0). or
asked by Shirley 
math,algebra
how do you solve this problem 3 and 1/3 subtracted by 1 and 2/3? Change the mixed number back to fractions with a common denominator. That would give you 5/3 subtracted from 10/3. How many thirds are left?
asked by jasmine20 
Math,algebra
Can someone explain to me how to solve the following. Directions:Multiply and write the answer in simplest form. 4/10 divided by 10/4? 4/10 / 10/4 change to mulitpcation by flipping the last fraction: 4/10 * 4/10 = 8/20 8/20 = 4/10 = 2/5 luke, I'm sorry i
asked by jasmine20 
MATH, ALGEBRA
CAN SOMEONE CORRECT THIS: lIST ALL THE FACTORS OF 16? mY ANSWER: 1,2,4,8 What is the prime factorization of 40? My answer:2x2x2x5 almost 1, 16, 2, 8, 4 Isn't sixteen a factor of 16? You are correct on the prime factors of 40 should i leave the 16 as part
asked by jasmine20 
bobpursly,math ,algebra
Can you explain to me how is 3and 1/3 minus 1 and 2/3 equal to 1 and 2/3 3 1/3 = 10/3 1 2/3 = 5/3  10/3  5/3 = 5/3 5/3 = 1 & 2/3 Another way. 3 1/3 = 2 4/3 1 2/3 =  1 2/3  2  1 = 1 and 4/3  2/3 = 2/3 so final answer is
asked by jasmine20 
Writing AssignmentPLEASE HELP!!!
I have to write a letter report on the topic of investment opportunities using the approiate approach and organizational pattern. I need help! Are there any sites to help? Subject clarification. This student needs assistance from someone who understands
asked by Sissy 
math
I need help on a math question. It says to write two fractions with a product between 10 and 11. Does anyone know what the answer is? Thanks. THere are several million ways to do this: 21/2 * 1/1 21/3 * 3/2 and so on and so on.
asked by scrgrl4 
Math
Simplify. (5x2 + 3x  7)  (x2  7x + 4) Simplify. (5x^2 + 3x  7)  (x^2  7x + 4) distribute  sign to get x^2 +7x 4 put on top of one another and add 5x^2 + 3x  7 x^2 + 7x  4  4x^2 +10x 11
asked by Lily 
chemistry 12
what is the relationship between ka and kb? Kw=ka*kb
asked by luke 
CHEMISTRY
What type of reactant typify compostion reactions? You need to clarify your question for me. I haven't heard of composition rreactions. Perhaps I know it by another name. In the real world, there is no "typical" reactant in composition reactions. In the
asked by PLEASE HELP 
chemistry
How does the electrical conductivity of metals support the electron sea model? You have a "sea of electrons" and moving electrons through a metal provides an electric current. I assume you can take it from here.
asked by chr 
spanish
P.D. (P.S.) I found 2 4letter words: bien/mal. Count those spaces carefully one more time? another unscrambler... it's a "message" one: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ icsoasbelganueucrono(with an accent on 1 "o") i am studying childhood
asked by SraJMcGin 
Abnormal psychology
what are some phamacological and nonpharmacological variable that infuence an individual's response to drugs Light intensity and duration, foods, and hormone levels.
asked by Carol 
Social Studies
My teacher has assigned me to make a new world. I have created a 'enemy' and she said I need a reason the enemy became the enemy. Have any suggestions? I can be disputed territory or ideologies. Another possibility is that the enemy wants to appropriate
asked by Carson 
math
squareroot of 24 Type this in the google search window: sqrt 24
asked by Margie 
math exponents
x to the  power x to the fraction power x to the fraction power how are they different? 22=1/22=1/4 21/2= sqrt 2 = 1.414 21/2=1/21/2=1/1.414=0.707 math is really gay u no what is the historical facts on exponets
asked by stupid 
drbob222, math ,algebra
can you explain to me the following problem , ms.sue and others are trying to help me but they are making me more confuse. Is there any short cuts to the following problem. Directions:multiply and write the answer in simplest form. 4/12 times 10/4 first,
asked by jasmine20 
Health
I need a 14 letter word, the 4th letter is an o for a crossword puzzle that is a drug that slows down body functions, including breathing and brain activity. Thanks Thank you for using the Jiskha Homework Help Forum. Hopefully, you are looking for:
asked by Kyle 
emergency due before midnight please!!!
Dangling Modifiers If your baby does not like cold apple juice, it should be heated. Your answer: 1. Dangling Modifiers When they are fresh, eating oranges can often keep away the cold virus. Your answer: 2. Predication Our plans for tomorrow should begin
asked by Jen 
Chemsitry (Check)
Fill In The Blanks I have Sharing for the first blank and Single for the second. A _______ pair of valence electrons consitutes a _______ covalent bond. Shared/Double. See http://www.chemguide.co.uk/atoms/bonding/doublebonds.html I would have gone with
asked by Bryan 
julie&shawn, math
The problem was actually 3 1/3  1 1/2= 10/33/2= 20/69/6=11/6, or 1 5/6 How did you get 1 and 5/6 from the problem: 3 and 1/3 minus 1 and 2/3 3 1/3 = 2 4/3  1 2/3 _____________________ 1 2/3 1 2/3 is the answer. Did you maybe copy the problem wrong?
asked by Julie & Shawn 
History
Who are israel's 3 most important musicians. I can't find this answer anywhere, I've had to look at almost every website. Try these sites. your word "important" musicians is ambigous. http://en.wikipedia.org/wiki/List_of_Israeli_musical_artists
asked by Blaine 
social studies
Can someone please help me with this question?: What is the United States doing to improve Iraq's infrastructure? Trying to pay citizens there to rebuild it as fast as some of the other citizens destroy it. Guess who is paying? So, the US is paying
asked by Tanya 
math,algebra
can someone correct this for me. Directions: Subtract 4 and 1/3 minus 1 and 1/4 my answer: 3 and 1/3 3 is right, 1/3 isnt. 1/3  1/4 = get common denomators... 4/12  3/12 = 1/12.
asked by jasmine20 
math, algebra
can someone correct this forme Directions:Add 3 and 1/5 plus 2 and 1/4 My answer: 5 and 9/20 correct
asked by jasmine20 
Random Variable
Fxy (x,y) = k 2
asked by John 
math, algebra
can someone correct this for me 3 and 1/3 minus 1 and 1/2 My answer: 1/3 1 5/6
asked by jasmine20 
civics
What are the actual roles of aged people in Asia,Africa and America? This is such a broad question  covering millions of people on three continents  that a definitive answer isn't possible in this short space. First we need to define what you mean by
asked by lore 
spanish
If you told us which vocabulary you are currently studying it could help narrow down the words. can someone help me unscramble these? it's in spanish. capetlusidr tabonca tishces tconserede well, i figured out all of the above, except for "tconserede" i'm
asked by Carter 
Luke, Math , algebra
Sorry it was a type. For the problem multiply and write answer in simplest form. 4/12 multiplied by 10/4 My answer: FOr what i understood i only got to the flipping step which is 4/12 multiplied by 4/10 now what step do i do. you mulitply to top (4 * 4 =
asked by jasmine20