Questions Asked on February 8, 2008

Concentrated aqueous ammonia contains 1.00 mol NH3 dissolved in 2.44 mol H20. What is the mole fraction of NH3 in concentrated
1. 2 answers
2. asked by Lauren
3. 2,624 views
What is the diameter of a 1.00 meter length of tungsten wire whose resistance is 0.32 ohm (electrical resistance)?
1. 3 answers
2. asked by Jenny
3. 5,340 views
Simplify1/9^-4 One divided by 9^-4 Directions say to simplify answer and type an integer or a fraction. Is 6561 correct?
1. 2 answers
2. asked by becky
3. 794 views
I have to do a screenplay for my AP/Lit class. where can i find like examples of good screenplay done before? an a like a format
1. 1 answer
2. asked by Bryan
3. 489 views
Factor completelyw^2+9-6w Is this right? (w-3)(w-3)
1. 1 answer
2. asked by becky
3. 322 views
Multiply(7-2x^4)^2 Is this right? 36(-2x^4+7)
1. 3 answers
2. asked by becky
3. 390 views
use variable substitution and factoring to find all of the roots of each equation.x^4-9x^2+18=0 how do you do this??
1. 11 answers
2. asked by Lauren
3. 518 views
Hello,I wanted to know in this problem if I came to the correct answer... Thank You I used: Vo/To = Vf/Tf A quantity of gas has
1. 1 answer
2. asked by Mandi
3. 587 views
how do i verify a question when i am solving for Y..yet i need to subsatoute X first to find Y. such as in this probelm to find
1. 0 answers
2. asked by breanna
3. 848 views
Write the formula for each Ionic compound.*barium nitrate
1. 1 answer
2. asked by Anna-Marie
3. 523 views
Divide and simplify6^6/6^3 Would the answer be 216 or 6^3?
1. 4 answers
2. asked by becky
3. 475 views
what are pheromones and what is a lie fallow
1. 2 answers
2. asked by cassie
3. 440 views
What is the inverse of a factorial and how would i calculate it.E.g. 60000 = n! How would i get n?
1. 1 answer
2. asked by Danielle
3. 1,260 views
Use the following to answer questions 1-3:1. Refer to the above diagram. If demand changes from D1 to D2 at the same time supply
1. 2 answers
2. asked by Erika
3. 1,610 views
what new words can you make out of the letters hummingbirdwaterproof
1. 1 answer
2. asked by cynthia
3. 331 views
What is the vertical asymptote of the function: f(x)= (X+5)/((X^2)-12X+36)
1. 1 answer
2. asked by Christine
3. 345 views
Choose the simplifed form of (4n^-3)^-3.The choices are 1/64n^9 4n^-9 64/n^9 64n^9 I chose 64/n^9
1. 1 answer
2. asked by becky
3. 351 views
I still don't get itwhen i go back to the original and use X=4 to solve for y and then end up with Y=0 what am i supposed to do
1. 0 answers
2. asked by breanna
3. 300 views
Radius of the circle: ((X-4)^2)+((y+2)^2)-81=0
1. 2 answers
2. asked by Christine
3. 315 views
Hello,Can some one please tell me if I calcilater this right... Thank You I used: I=LK1(Tf-To) What is the length of an aluminum
1. 1 answer
2. asked by Mandi
3. 900 views
why did united states policy makers feel the need to secure new markets abroad in the late 1800s?what risks did the united
1. 1 answer
2. asked by mike
3. 1,002 views
Factor by grouping5x^3-5x^2-x+1 Would it be? (x-1)(5x^2-1) or (5x^2-1)(x-1) Usually the answers are in descending order.
1. 1 answer
2. asked by becky
3. 445 views
Citric acid H3C6H5O7, occurs in plants. Lemons contain 5% to 8% citric acid by mass. The acid is added to beverages and candy.
1. 3 answers
2. asked by Lauren
3. 2,192 views
1.92g sample of hydrogen peroxide solution generates 37.8mL O2 at 759 torr and 35 C. What is the percent strength of the
1. 1 answer
2. asked by anna
3. 483 views
What communication barriers would a police officer and a prison guard may face when communicating with one another or with their
1. 7 answers
2. asked by Ree
3. 557 views
At a certain college, the ratio of the men to women is 5:4. If there are 2800 men, how many women are there?
1. 3 answers
2. asked by Reese's
3. 2,043 views
Add (r-8s+6)+(4r+7s)+(s+3)Is this right? 5r+9
1. 1 answer
2. asked by becky
3. 266 views
Factor: check by multiplyingx^2-6x Is this correct? x^2(x-5)
1. 2 answers
2. asked by becky
3. 444 views
How do I solve this:3 n - + - =2 8 4
1. 1 answer
2. asked by Jeremy
3. 400 views
How do you find the hypoynuse of a triangle if the legs are 9 radical 2?
1. 1 answer
2. asked by M
3. 386 views
If an item costs $179.99 and it is marked 25% discount, what would the sale price be?
1. 2 answers
2. asked by Brandon
3. 588 views
what impact did teddy roosevelt have on the office of the presidencyi need help!!!!!
1. 3 answers
2. asked by mike
3. 431 views
why did the american public favor war with spain
1. 1 answer
2. asked by mike
3. 381 views
Find the percent of change from $48 to $53.76. State whether the change is an increase or decrease.
1. 1 answer
2. asked by Brandon
3. 1,214 views
Citric acid H3C6H5O7, occurs in plants. Lemons contain 5% to 8% citric acid by mass. The acid is added to beverages and candy.
1. 1 answer
2. asked by Lauren
3. 709 views
During peak season, a hotel room costs $135 per night. During the off-season, it costs $90 pernight. Find the percent of change
1. 4 answers
2. asked by Brandon
3. 1,497 views
if a=6 and b=-4, solve the equation (4a+4b) (4a-b)
1. 1 answer
2. asked by Caitlin
3. 311 views
Lithium is the atom which has three protons in its nucleus and three electrons circling the nucleus.(it usuallly has 3 nuetrons
1. 2 answers
2. asked by jenish
3. 988 views
is when a preposition?
1. 1 answer
2. asked by Mackenzie
3. 342 views
what type of phrase is under the staircase?
1. 3 answers
2. asked by Mackenzie
3. 397 views
What effect do you think the mass media of books has on Businesses?
1. 1 answer
2. asked by Waheedah
3. 316 views
How many bones are in the human body?
1. 6 answers
2. asked by Meli
3. 1,403 views
whats x+2+2x=x+10?
1. 5 answers
2. asked by maura
3. 443 views
if a=6 and b=-4, solve...(4a+4b) (4a-4b)
1. 3 answers
2. asked by caitlin
3. 396 views
What is the hypotnuse of a triangle if the legs are 9 radical 5?
1. 2 answers
2. asked by Meli
3. 429 views
what is n?3 n -+- =2 8 4
1. 1 answer
2. asked by Jeremy
3. 286 views
How do you solve this problem?2x squared = 169?
1. 3 answers
2. asked by Meli
3. 402 views
Audience recognitionTerms for different audience levels Issues of diversity Multiculturalism Issues of sexist language •
1. 1 answer
2. asked by Dawn
3. 1,138 views
What is the vapor pressure at 23 degree C of a solution of 1.20g of naphthalene, C10H8 in 25.6 g of benzene, C6H6? The vapor
1. 3 answers
2. asked by Lauren
3. 1,452 views
What is transcription of DNA?
1. 0 answers
2. asked by Meli
3. 348 views
A solution was prepared by dissolving 0.817g of sulfur S8, in 100.0g of acetic acid, HC2H3O2. Calculate the freezing point and
1. 2 answers
2. asked by Lauren
3. 1,033 views
Thanx 4 ur help!!!
1. 0 answers
2. asked by Meli
3. 314 views
Urea (NH2)2CO is dissolved in 100.0 g of water. The solution freezes at -0.085 degrees C. how many grams of urea were dissolved
1. 1 answer
2. asked by Lauren
3. 796 views
why did the american public favor war with spain
1. 2 answers
2. asked by mike
3. 356 views
A solution contains 0.0653g of compound in 8.31g of ethanol. The molarity of the solution is 0.0368m. Calculate the molecular
1. 4 answers
2. asked by Lauren
3. 2,058 views
I'm lost!How do you add the following vectors? Please provide a step by step answer! 1) EA - CB + DB + AD 2) PT - QT + SR - SQ
1. 1 answer
2. asked by Anonymous
3. 349 views
Your uncle is three years older than your aunt. The product of their ages is 3190. What are their ages? I know the answer is 55
1. 6 answers
2. asked by KL
3. 636 views
An air filled parallel plate capacitor has plates of area 0.0406 m^2 and seperation of 2.5*10^-6 m.a)What is the capacitence for
1. 0 answers
2. asked by jenish
3. 526 views
what is 4.4 trillion/110 *100
1. 1 answer
2. asked by Ksy
3. 342 views
A uniform electric field of magnitude 75 n/c is created at an angle of 33 degree relative to the positive x-axis.a)Find the
1. 0 answers
2. asked by Kwang hu111
3. 340 views
(population)A normal distribution has a mean of 80 and a std dev of 20. For each of the following scores, indicate wheter the
1. 1 answer
2. asked by Shane
3. 813 views
One test for ESP involves using Zener cards. Each card shows one of five different symbols(square,circle,star,cross,wavy lines),
1. 1 answer
2. asked by cindy
3. 1,616 views
a sample of n=25 scores has a mean of M=60 and a std dev of s=12. Find the z-score corresponding to each of the following scores
1. 1 answer
2. asked by annabelle
3. 869 views
There are 3.29g of Iodine 126 remaining in a smaple originally containing 26.3 g of iodine 126 the half life of iodine 126 is 13
1. 1 answer
2. asked by sam
3. 984 views
why is charlie so well behaved during a tour of the chocolate factory?From Chapters 24-30 in Charlie and the Chocolate Factory?
1. 2 answers
2. asked by Anonymous
3. 1,372 views
name two elemetns that have natural occuring radioistopes?
1. 1 answer
2. asked by sam
3. 295 views
In an experiment 5.57 +/- 0.02 grams of water chemically decomposes into the products hydrogen gas and oxygen gas. The measured
1. 2 answers
2. asked by sool
3. 792 views
Hello,I wanted to know if I came to the correct answer in the following problem... Thank You I used: I=LK(To-Tf) LD=L-I A silver
1. 0 answers
2. asked by Mandi
3. 540 views
polynomial subtractiona-a2-a-6/2(a-3) a-a(squared)-a-6 divided by 2(a-3)
1. 1 answer
2. asked by steven
3. 297 views
whats the term?1)the turning of air masses from their original paths because of earth's rotation 2)high altitude winds that
1. 0 answers
2. asked by synester
3. 780 views
Hexane is a hydrocarbon (a molecule containing only carbon and hydrogen) with a molecular weight of 86.18 g/mol,a density of
1. 1 answer
2. asked by Anonymous
3. 1,065 views
In an experiment 5.57 +/- 0.02 grams of water chemically decomposes into the products hydrogen gas and oxygen gas. The measured
1. 1 answer
2. asked by HELP!!
3. 843 views
The distribution of scores on the SAT is approx. normal with mu= 500 and std dev=100.a)what proportion of the population have
1. 1 answer
2. asked by Tommy
3. 2,366 views
Hello,Can you tell me if I have the correct answer? Thank You How much heat is required to convert 0.3 kilogram of ice at 0
1. 1 answer
2. asked by Mandi
3. 441 views
what occurs in a nuclear bombartment reaction
1. 1 answer
2. asked by sam
3. 349 views
I cant grasp half life - the study guide question is how is half life dating used by scientists -I have 2 lines to write an
1. 1 answer
2. asked by claire
3. 642 views
last one thanks dr bobwhy are nuetrons easier to use for nuclear bombardment than alpha or beta particles
1. 2 answers
2. asked by sam
3. 877 views
The concentration unit used in Raoult's Law calculations is:a. mole fraction b. percent by weight c. molarity d. molality e.
1. 1 answer
2. asked by Kim
3. 851 views
I need help with the following question...Thank You One degree celsius indicates the same temperature change as... one degree
1. 1 answer
2. asked by Mandi
3. 614 views
I cant grasp half life - the study guide question is how is half life dating used by scientists -I have 2 lines to write an
1. 1 answer
2. asked by claire
3. 521 views
The concentration unit used in Raoult's Law calculations is:a. mole fraction b. percent by weight c. molarity d. molality e.
1. 1 answer
2. asked by Kim
3. 391 views
Somehow this question is supposed to relate to the Supreme Court I think? I need ideas..."How did World War II help redefine the
1. 1 answer
2. asked by Hannah
3. 425 views
223RA arrow + 4 88 a 2 complete the following reaction
1. 0 answers
2. asked by claire
3. 312 views
223RA arrow + 4 88 a 2 complete the following reaction
1. 1 answer
2. asked by claire
3. 469 views
Simplfy. with not grouping symbols.6x^2+9x-12 ___________ 2
1. 3 answers
2. asked by Erin. ( im confused)
3. 391 views
Operating leverage is the extent of which fixed cost are used in a firm's operations. Is there a risk of having both high
1. 1 answer
2. asked by Jera
3. 647 views
The heating element of an electric oven is designed to produce 3.3 kW of heat when connected to a 240-V source. What must be
1. 2 answers
2. asked by Jenny
3. 3,465 views
what is the name for a solution that can dissolve no more solute ?
1. 1 answer
2. asked by Ann
3. 385 views
What is the name for the solution that can dissovlce no more solutte?a.unsaturated b.saturated c.supatersaturated
1. 1 answer
2. asked by Anonymous
3. 321 views
Complete ordered pairs for y=4x+12(_,0), (3/4,_), (0,_), (-3/4,_)
1. 2 answers
2. asked by austin
3. 1,024 views
For each of the following enthymemes, identify the premise(s) and the conclusion, and fill in any missing premises or missing
1. 0 answers
2. asked by Travis
3. 1,345 views
How old is Boo Radley? I'm writing a creative essay about him and I'd like to include his age... Do you know? Thanks in advance
1. 1 answer
2. asked by anonymous
3. 477 views
The sum of the first n counting numbers 1 + 2 + 3 + 4 + 5 ... + n is given by S = n/2(1 + n).a) Find the sum of the numbers 14
1. 1 answer
2. asked by Annie
3. 605 views
Clark's Rule is commonly used to calculate the childresn's dosage of medication:Clark's Rule is: C=A x W/150 Use the rule to
1. 1 answer
2. asked by G
3. 671 views
The Occupational Safety and health Administration (OSHA) estblished permissible sound exposures in the work-place. This is
1. 1 answer
2. asked by G
3. 489 views
I am taking Microeconomics.I have the following question: The cost of producing stero systems has fallen over the past several
1. 1 answer
2. asked by G
3. 497 views
Where can I find the salinity of the soil in the Amazon Rainforest?
1. 1 answer
2. asked by Evan
3. 427 views
The following pie chart represents the results of a survey about whether people in a certain town have cats or dogs as pets.Neit
1. 2 answers
2. asked by Cathy
3. 1,332 views
Where was the Rorschach ink blot test created? I know it was created by a Swiss psychologist Hermann Rorschach but where?
1. 2 answers
2. asked by Jake
3. 580 views
The following graph shows the enrollment at a community college.1997 6,000 1998 8,000 1999 10,000 2000 12,000 2001 14,000 what
1. 2 answers
2. asked by Cathy
3. 485 views

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