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Questions Asked on October 4, 2007

How many moles of solid Ba(NO3)2 should be added to 300 ml of .2 M Fe(NO3)3 to increase the concentration of NO3- ion to 1 M?
1. 1 answer
2. asked by corey
3. 6,609 views
A manufacturer makes two models of an item: model I, which accounts for 80% of unit sales, and model II, which accounts for 20%
1. 1 answer
2. asked by Sophia
3. 4,879 views
calculate the enthalpy of formationof solid MgOH2, given the following data:2Mg(s) + O2(g)-> 2MgO(s) heat:-1203.6 Mg OH2(s) ->
1. 4 answers
2. asked by lily
3. 4,679 views
A penny is dropped from the observation deck of the Empire State building (370 m above ground). With what velocity does it
1. 4 answers
2. asked by stephanie
3. 4,488 views
A 1.0 L sample of an aqueous solution contains .1 mol of NaCl and .1 mole of CaCl2. What is the minimum number of moles of AgNO3
1. 1 answer
2. asked by corey
3. 3,785 views
What is the finaly concentration of barium ions, Ba2+, in soulution with 100 ml of .1 M BaCl2 is mixed with 100ml of .05M H2SO4?
1. 3 answers
2. asked by corey
3. 3,781 views
Is the statement true or false? Explain your reasoning.Perpendicular lines always intersect at right angles.
1. 3 answers
2. asked by bob
3. 3,181 views
A company is considering implementing one of two quality control plans for monitoring the weights of automobile batteries that
1. 3 answers
2. asked by Anonymous
3. 2,794 views
A stereo system is marked down from $450 to $382.50. What is the discount rate?
1. 6 answers
2. asked by haley
3. 2,431 views
A golf ball released from a height of 1.80 m above a concrete floor, bounces back to a height of 1.06 m. If the ball is in
1. 2 answers
2. asked by Lindsay
3. 2,137 views
Glenda drops a coin from ear level down a wishing well. The coin falls a distance of 14.80 m before it strikes the water. If the
1. 3 answers
2. asked by stephanie
3. 2,074 views
which of the following pairs of points both lie on the line whose equation is 3x-y=2?a)(2,-2) and (1,5) b)(2,4) and (1,5)
1. 1 answer
2. asked by jessica
3. 1,455 views
A 40 kg crate is pulled across the ice with a rope. A force of 90 N is applied at an angle of 36 degreees with the horizontal.
1. 3 answers
2. asked by Anonymous
3. 1,419 views
An 865 kg (1912 lb) dragster, starting from rest, attains a speed of 26.7 m/s (59.8 mph) in 0.59 s.(a) Find the average
1. 3 answers
2. asked by Lee Kite
3. 1,349 views
what is the slope of the line p[assing through points a (5,4) and b (0,3)?a)1/10 b)1/2 c)3/2 d)4/5 e)5
1. 2 answers
2. asked by jessica
3. 1,303 views
If PQ=3 and PQ+RS=5, then 3+RS=5 is an example of the ___________.A. multiplication property of equality B. reflexive property
1. 2 answers
2. asked by bob
3. 1,269 views
How do you divide a hexagon into 9 congruent parts?
1. 2 answers
2. asked by Luke
3. 1,260 views
Discuss how the concept of time applies to ecological situations and evolutionary changes. Do ecological time and evolutionary
1. 0 answers
2. asked by michelle
3. 1,223 views
Find the derivative if y^3 + y = 2cosx
1. 1 answer
2. asked by Matt
3. 1,110 views
you visit your favorite depatment store and find that your have shirt is on special.the shirt normally cost $60.00 and now has a
1. 2 answers
2. asked by jessica
3. 1,101 views
The temperature changed from 11 degrees C at noon to -4 degrees C at 8:00 p.m. How many degrees did the temperature drop. Please
1. 4 answers
2. asked by VP
3. 1,090 views
How do you figure out the slope without drawing the graph? I kinda forgot. I have a chart with data, and I need to know the
1. 3 answers
2. asked by Jason
3. 1,073 views
On this hwk help forum, do you edit people's work? I have a paragraph and I need someone to look it over and make some
1. 8 answers
2. asked by Gina
3. 1,072 views
Please help me in figuring out my worksheet that says to follow directions in the order they are given.1.Write the word solar.
1. 3 answers
2. asked by nancy
3. 1,055 views
1. DETROIT -- Here's a million-dollar question: How does the global economy connect American car buyers and Russian bureaucrats?
1. 1 answer
2. asked by Chithra
3. 1,004 views
HOW MANY DIFFERENT ARRANGEMENTS ARE THERE OF THE LETTERS IN TESTERS?
1. 2 answers
2. asked by KATE
3. 998 views
What type of transport supplies a cell with glucose?
1. 0 answers
2. asked by Christopher
3. 997 views
use mental math and the distributive property to simplify 25(-99)and 19x21
1. 3 answers
2. asked by danny
3. 990 views
Is the statement true or false? Explain your reasoning.Perpendicular lines always intersect at right angles.
1. 0 answers
2. asked by bob
3. 974 views
What are the strengths and weaknesses of Naturalistic observation, Case studies, and Longitudinal Studies?
1. 1 answer
2. asked by Christian
3. 942 views
in general the role of board of directors is to:a)direct the day to day activities of the film b)represent investor interest in
1. 1 answer
2. asked by jessica
3. 937 views
A 69 kg diver jumps off a 10.4 m tower.(a) Find the diver's velocity when he hits the water. m/s (b) The diver comes to a stop
1. 2 answers
2. asked by Lee Kite
3. 890 views
What are some ways in which soilders in the USA Army communicated during the war with Hitler
1. 3 answers
2. asked by WWII Essay Writer
3. 875 views
suppose a firm's constant-returns to scale production function requires it to use capital and labor in a fixed ratio of two
1. 2 answers
2. asked by jon
3. 827 views
Solve each equation using augmented matrices.2x+y-2z=7 x-2y-5z=-1 4x+y+z=-1
1. 0 answers
2. asked by Anonymous
3. 816 views
Give the reason for the step taken from a proof.<1 and <2 are a linear pair given m<1 + m<2 = 180* ? a. congruent supplements
1. 0 answers
2. asked by bob
3. 804 views
HOW MANY FOUR-LETTER CODE WORDS CAN BR FORMED USING A STANDARD 26-LETTER ALPHABETIF REPETITION IS ALLOWED IF REPETITION IS NOT
1. 0 answers
2. asked by KATE
3. 804 views
A piece of copper wire is formed into a single circular loop of radius 13 cm. A magnetic field is oriented parallel to the
1. 0 answers
2. asked by Mary
3. 788 views
find the value of 22/15 x 65/33 x 18/13
1. 1 answer
2. asked by Anonymous
3. 777 views
5Fe(2+ charge) + MnO4(-1 charge) +8H(1+ charge) -> 5Fe(3+ charge) + Mn(2+ charge) + 4H2OIn a titration experiment based on the
1. 3 answers
2. asked by corey
3. 769 views
Here's a question from my homework that I have no idea where to even beging with it.A European "weighs" 100 kg on Earth. a. What
1. 2 answers
2. asked by Beth
3. 766 views
-The brakes on your automobile are capable of creating acceleration of 19 ft/s2. If you are going 76 mi/hr and suddenly see a
1. 5 answers
2. asked by Lindsay
3. 754 views
Can someone provide a link to ancient Gothic music? I need to describe the music from this era.
1. 10 answers
2. asked by Joy
3. 752 views
how does one say "the test will be difficult?"
1. 1 answer
2. asked by DJ
3. 751 views
Joe and Steve went to the store and Joe had seen this jacket that he had wanted.The jacket costed $12.99 and all Joe had was
1. 8 answers
2. asked by Kenya
3. 737 views
To travel 175 miles, it takes Sue, riding a moped, 4 hours less time than it takes Doreen to travel 66 miles riding a bicycle.
1. 1 answer
2. asked by leena
3. 733 views
1.) Write a system of equations that has NO solution.2.) If you wanted to eliminate the y variables in the system of equations
1. 1 answer
2. asked by Audrey
3. 724 views
How do I work this problem, it is not a homework problem but a problem similar to a homework problem. I know i need to factor
1. 1 answer
2. asked by Becca
3. 700 views
Find the derivative if x^3 + 4xy^2 - y^4 = 7
1. 1 answer
2. asked by Matt
3. 700 views
I cannot seem to work this problem out correctly as all answers found do not make the equation work.1/4 - 2/3y = 3/4 - 1/3y
1. 3 answers
2. asked by Bruce
3. 699 views
a basetball team has won 50 games of 75 played.the team still have 45 games to play.how many of the remaining games must the
1. 3 answers
2. asked by jessica
3. 693 views
Completing Equations of chemical changes: EXample: Al+02- Al2O3How do Iidentify which type of reaction is taking lace and then
1. 5 answers
2. asked by Danny
3. 685 views
Why is it important to maintain core body temperature?and Why is it important to maintain the concentration of water within a
1. 1 answer
2. asked by Kell
3. 679 views
A golf ball released from a height of 1.80 m above a concrete floor, bounces back to a height of 1.06 m. If the ball is in
1. 3 answers
2. asked by Lindsay
3. 671 views
how do u draw the lewis structure for something like CO -2 over 3. do u add 2 electrons on to the oxygen when yur finding the
1. 1 answer
2. asked by michelle
3. 666 views
Suppose you wish to make a solenoid whose self-inductance is 1.2 mH. The inductor is to have a cross-sectional area of 1.2 10-3
1. 2 answers
2. asked by Mary
3. 663 views
How do I work this problem, it is not a homework problem but a problem similar to a homework problem. I know i need to factor
1. 0 answers
2. asked by Becca
3. 662 views
We r learning about the reproductive organs and they seem to be confusing me on how they they function together to make an
1. 2 answers
2. asked by Bob
3. 661 views
Can someone check these answers for me? I know some if not all are wrong, but I don't know which ones they are.-Substances are
1. 5 answers
2. asked by Cierra
3. 654 views
If the percent hydration of CuCl2 x XH2O is 13% what is the coefficient of water?
1. 1 answer
2. asked by Em
3. 650 views
Add 12 1/3tons to 20 tons 500 pounds
1. 2 answers
2. asked by Anonymous
3. 644 views
I'm not sure if I have the correct answer to this problem...All I have to do is use the Distributive Property to write each
1. 5 answers
2. asked by Stacy
3. 639 views
Explain why adaptations of organisms to interspecific interactions do not necessarily represent coevolution. What would a
1. 1 answer
2. asked by carly
3. 629 views
if anyone's heard of the "experience machine", please let me know if they would go in or not and why. i just need a reason or
1. 7 answers
2. asked by namrot
3. 621 views
THE STUDENTS FROM JEFFERSON SCHOOL TURNED A VACANT LOT INTO A VEGETABLE GARDEN. TOMATOES WERE PLANTED IN 4/5 OF THE GARDEN
1. 4 answers
2. asked by ALYSSA
3. 620 views
I am having trouble with this motion problem.A jet travels 1,890 miles in 3 hours. flying against the same wind,the plane makes
1. 1 answer
2. asked by Laci
3. 611 views
Identify the property of congruence.If <P = <Q, then <Q = <P. when i use the = sign just replace it with the "is congruent to"
1. 0 answers
2. asked by kevin
3. 608 views
in the eighteenth century liberals stressed?a)dictatorship b)equal of opportunity c)economic equality
1. 2 answers
2. asked by jessica
3. 601 views
A Nile cruise ship takes 21.7 h to go upstream from Luxor to Aswan, a distance of 208 km, and 19.4 h to make the return trip
1. 2 answers
2. asked by stephanie
3. 595 views
Living in the U.S. now for almost nine years has made me adapt to the life and culture here. Despite the fact I still miss my
1. 2 answers
2. asked by kelly
3. 584 views
Hi,Could you please help me with the following question? Bob and Jane decide to open their own business selling ergonomically
1. 1 answer
2. asked by Chithra
3. 581 views
one example of a chemical in food that is not a nutrient is?a)fiber b)selenium c)starch D)FOLATE
1. 4 answers
2. asked by jessica
3. 572 views
How would you approach creating a negative message for a superior.
1. 2 answers
2. asked by linda
3. 553 views
How do I make a word web connecting two of my social studies vocabulary words?
1. 4 answers
2. asked by Sydnee
3. 551 views
I really don't understand this question. How do I work it out?Pure acetic acid, HC2H3O2 has the following characteristics: mp =
1. 1 answer
2. asked by Eric
3. 549 views
My teacher gave us a paper today about word orders on subjects and verbs.the paper is telling me to underline natural or
1. 1 answer
2. asked by De'Asia Jones
3. 548 views
I know this is such an easy question, but I completely forgot how to do it. Can someone please help me out? Thanks.If 57.84 g of
1. 1 answer
2. asked by Jesse
3. 547 views
Give the reason for the step taken from a proof.<1 and <2 are a linear pair given m<1 + m<2 = 180* ? when i put < i hope you
1. 1 answer
2. asked by bob
3. 543 views
Give the reason for the step taken from a proof.<1 is the supplement of <2---->Given <3 is the supplement of <4---->Given <2 =
1. 0 answers
2. asked by kevin
3. 543 views
AIR IS A COMPOUND of nitogen,oxygen,argon,carbon dioxide,ane other gases.how may air be best described?a)a compund b)a mixture
1. 1 answer
2. asked by jessica
3. 541 views
how to decide whether lines with the given equation are parallel, perpendicular,or neithery=-5x-2 y=5x+2
1. 1 answer
2. asked by terizon
3. 537 views
I'm having trouble with identifying simple machine.1)A row boat 2)saw 3)an arm flexing 4)a person hiking 5)a person catching 6)a
1. 3 answers
2. asked by yuka
3. 535 views
As an eight-year-old-girl, it was my first time on an airplane, traveling from my home in India to the United States with my mom
1. 2 answers
2. asked by kelly
3. 535 views
can anyone explain the cycle of malnutrition to me? i know the effects but not reall the cycle
1. 1 answer
2. asked by alley
3. 533 views
What is the maximum yield of NH3 that can be formed from 8.50 grams of N2 and 1.00 grams of H2 in the (balance) reaction N2 +
1. 2 answers
2. asked by Zarda Daniels
3. 532 views
Was there really? Because the movies that I say for WW1 were basically untrained men dying by the minute in the war and their
1. 1 answer
2. asked by Gina
3. 532 views
Whats the word that means that someone is forced to participate in war.
1. 4 answers
2. asked by Gina
3. 530 views
You said that "line of duty" has a money value to it. Im using the phrase "line of duty" for a WW1 essay. Was there any money
1. 6 answers
2. asked by Gina
3. 523 views
I keep forgetting, but I have a test tomorrow: what is a linear pair?
1. 2 answers
2. asked by [namrot]
3. 522 views
I'm working on Proofs for Limits. So my question is how the bloody hell do I do this.This is the equation I am working with:
1. 2 answers
2. asked by Chii
3. 520 views
What is the rate to fall safely?Ex. fall with a parachute from an airplane
1. 1 answer
2. asked by Brianna
3. 517 views
only when families are more articulate with identifying their needs and when builders and ploicy become more sensitive to human
1. 7 answers
2. asked by jessica
3. 504 views
how do you translate eglish into modern english
1. 1 answer
2. asked by lemon
3. 504 views
language - paris, Wednesday, October 3, 2007 at 8:06pmCulture a white rose, in July like in January, for the sincere friend whom
1. 2 answers
2. asked by Ms. Sue
3. 503 views
If you have 78 and 104 what is the Least Common Multiples or (LCM)
1. 11 answers
2. asked by Samantha
3. 497 views
What are three characteristics of Orientalism.
1. 4 answers
2. asked by Nora
3. 492 views
What is the Feature of Life that is illustrated in the statement" That boy shot up 5' in only 1 year." ??
1. 3 answers
2. asked by Austin
3. 480 views
with the decimal that equals pi....(3.14....) until the 2 hundreth decimal place..how does the cumulative frequency column be
1. 7 answers
2. asked by jennifer
3. 474 views
the purse of your dreams is rightin front of you.you have some money and you notice the tag on the purse says $400.the clerk
1. 6 answers
2. asked by jessica
3. 472 views
There is this one term phrase when a solider dies while serving the counrty.Its something like. " in the line of duty." Im not
1. 6 answers
2. asked by P
3. 459 views

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