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2010
May

Questions Asked on May 24, 2010

Identify each enthalpy change by name and classify each change as exothermic or endothermic.a)1 mol C3H8 (l) ==> 1 mol C3H8 (g)
1. 2 answers
2. asked by Sal
3. 3,972 views
solve sin(2θ)+1=0 on the interval 0≤θ≤2pi
1. 0 answers
2. asked by Anonymous
3. 403 views
a ladder is against a building. The distance from the bottom of the building to the ladder is 9 feet less than the length of the
1. 1 answer
2. asked by amanda
3. 631 views
Which of the following tools is best for accessing Web pages and connecting to the Internet?ISP Modem Search Engine Browser
1. 1 answer
2. asked by Karin
3. 545 views
Wha are the nouns that describe a person called? They are like a noun that describe's a person's perosnality, such as
1. 1 answer
2. asked by Emily
3. 665 views
A ball rolls off a shelf with a horizontal velocity of v. At what horizontal distance from the shelf does the ball land if the
1. 1 answer
2. asked by Anonymous
3. 652 views
Find the center and radius of the circle.(x - 1)^2 + y^2 = 36
1. 1 answer
2. asked by Tina
3. 423 views
what are the disavantages of job analysis?
1. 0 answers
2. asked by Maria
3. 347 views
This is the first sentence of my cover letter. Should I use "for" or "at"? Or is there a better way to phrase this sentence?I am
1. 1 answer
2. asked by Janice
3. 570 views
State any restrictions on the variables.3y^2 - 3y/ y - 3
1. 1 answer
2. asked by Anonymous
3. 1,163 views
Hi, I have got a question about Japan's geography;In which ways has the actions of man ( people) affected Japans land? I mean
1. 1 answer
2. asked by Beatrice
3. 606 views
The area of the parallelogram formed by the vectors p = (a, 1, -1) and q = (1, 1, 2) is root 35. Determine the values of 'a' for
1. 1 answer
2. asked by Anonymous
3. 3,240 views
A ball rolls off a shelf with a horizontal velocity of v. At what horizontal distance from the shelf does the ball land if the
1. 0 answers
2. asked by Anonymous
3. 496 views
Using literary elements,compare and contrast Abigail Adamsletter to her daughter with Jean de Crevecoeur's essay from letter to
1. 0 answers
2. asked by Stephanie
3. 775 views
joe researcher asks for access to patient records as part of a research project. what should the health information manager do?
1. 0 answers
2. asked by Machell
3. 391 views
Create a thesis for your research paper. How do you plan on supporting your thesis with compelling arguments and coutner
1. 0 answers
2. asked by Amanda
3. 1,289 views
Give the equation of the line that passes through point ( 1, -3) and is parallel to the line y = 2x - 8.
1. 1 answer
2. asked by Tina
3. 527 views
Thank you for your invaluable help.Can you please consider these sentences, too? 1) As for her behaviour, she cried when she saw
1. 1 answer
2. asked by Franco
3. 550 views
Hi, I need help with my program and logic Homework. Here is the problem:Velma and her husband Victor run a full service
1. 0 answers
2. asked by David
3. 477 views
I need help with this scenario please!Ten years ago, you started working as a clerk for DMDMedical Supplies. Six months ago, Liz
1. 3 answers
2. asked by Kay
3. 578 views
The substitution of a monosubstituted benzene is regioselective. If ithad been completely random, what would you expect the
1. 0 answers
2. asked by Norman
3. 438 views
How might an operations manager improve the operational components of planning, sourcing , making and delivering that was
1. 0 answers
2. asked by Sahna
3. 960 views
if i mix 4 grams of hydrogen and 32 grams of oxygen how many grams of water would be produced
1. 3 answers
2. asked by kee
3. 892 views
Balance the following equations:a. C + O2 CO b. CO + O2 CO2 c. H2 + Br2 HBr d. K + H2O KOH + H2 e. Mg + O2 MgO please explain
1. 0 answers
2. asked by Kendra
3. 1,097 views
A 10.0% by mass H2SO4(aq) solution has a density of 1.07 g/mL.(a) How many milliliters of solution contain 8.41 g of H2SO4? (b)
1. 0 answers
2. asked by Jenny Marie
3. 778 views
3.71 When potassium cyanide (KCN) reacts with acids, a deadly poisonous gas,hydrogen cyanide (HCN), is given off. Here is the
1. 0 answers
2. asked by Kendra
3. 698 views
Nitric oxide (NO) reacts with oxygen gas to form nitrogen dioxide (NO2), adark-brown gas: 2NO(g) + O2(g) -> 2NO2(g) In one
1. 0 answers
2. asked by Kendra
3. 876 views
In the short story defender of the faith by philip roth,Grossbart insists on caling da sergeant 'sir'.Why doz Marx object?Is dis
1. 3 answers
2. asked by Stella
3. 617 views
In the short story defender of the faith by philip roth,Identify the criteria by which Captain Barrett judges a man's character.
1. 3 answers
2. asked by Stella
3. 429 views
When 1.33 g of a nonpolar solute was dissolved in 50.0 g of phenol, the latter's freezing point was lowered by 1.454°C.
1. 0 answers
2. asked by Anonymous
3. 644 views
In the short story defender of the faith by philip roth,Why does Marx refuse to support Grossbart when the Captain questions him
1. 1 answer
2. asked by Stella
3. 466 views
In the short story defender of the faith,by philip roth,Explain 3 occasions where Grossbart tries to "manipulate" Marx.Is he
1. 3 answers
2. asked by Stella
3. 453 views
In the short story defender of the faith by philip roth,Outline 3 occasions where Grossbart accuses Marx of being Prejudiced
1. 1 answer
2. asked by Stella
3. 370 views
In the short story,defender of the faith by philip roth,What incident finally convinces Marx to punish Grossbart?
1. 1 answer
2. asked by Stella
3. 379 views
In the short story defender of the faith by philip roth,what is the theme of the story?Justify 150 words
1. 1 answer
2. asked by Stella
3. 451 views
What is an antithesis? and I can i create one if my thesis is "Using the characters in these literary pieces both authors assert
1. 2 answers
2. asked by Raven
3. 551 views
Suppose that X is an angle in standard position and that X' is it's reference angle. If cosX = -4/ squareroot of 17. find the
1. 2 answers
2. asked by kyu
3. 705 views
Segment AB has endpoints A(-3, 4) and B(-5, 2). Segment AB is reflected over the y axis to form segment A’B’. What are the
1. 3 answers
2. asked by Kyasia
3. 509 views
. How many grams of potassium chloride, KCl, are needed to prepare 0.630 L of a 2.50 M solution of potassium chloride? (4.0
1. 1 answer
2. asked by Anonymous
3. 1,274 views
What is the speed of an object in circular motion called?
1. 1 answer
2. asked by James
3. 1,086 views
25g of a breakfast cereal contain 110 calories. How many calories are released per gram? Convert the answer above to joules.
1. 0 answers
2. asked by Anonymous
3. 445 views
What is the centripetal acceleration of a skater moving with atangential speed of 2.0 m/s in a circular path with radius 2.0 m?
1. 0 answers
2. asked by James
3. 477 views
What term describes a force that causes an object to move in acircular path?
1. 1 answer
2. asked by James
3. 655 views
A centripetal force acts
1. 0 answers
2. asked by James
3. 328 views
Centripetal force can be calculated from centripetal acceleration by?
1. 0 answers
2. asked by James
3. 434 views
Describe the primary force or forces involved when a car executes a turn.Explain why passengers tend to lean or slide toward the
1. 2 answers
2. asked by James
3. 948 views
A 1.3 X 10^3 kg car traveling with a speed of 2.5 m/s executes a turn with a7.5 m radius of curvature. Calculate the centripetal
1. 2 answers
2. asked by James
3. 2,333 views
o Many professional athletes use steroids, in spite of the fact that they are banned by official sports organizations.Answer the
1. 1 answer
2. asked by Anonymous
3. 530 views
7X-4+3X=23+XCan you show the steps? The answer is X=3
1. 2 answers
2. asked by Chelsea
3. 418 views
For each:Always true /sometimes true/never true. 1) the joule is the SI unit of force 2)the standard heat of formation for a
1. 1 answer
2. asked by Anonymous
3. 677 views
A 55.6g sample of water is cooled from 50 degrees C to 35.5 degrees C.How many calories released? How many kilocalories? How
1. 1 answer
2. asked by Anonymous
3. 680 views
I'm struggling with this problem and can't find a good example in my book of how to solve.solve for y y-1/x-0=-3 thanks in
1. 1 answer
2. asked by Jarzine
3. 479 views
I have a balloon that contains 22 grams of Carbon dioxide. The barometric pressure is 1019 millibars which I converted to 1.006
1. 0 answers
2. asked by JamieLyn
3. 509 views
How many grams of solute are in each of the following solutions?18.4 mL of a 9.50 m H3PO4 solution
1. 0 answers
2. asked by Ashley
3. 331 views
How many calories would be needed to heat 1.65 kg of gold from 12 degrees C to 25 degrees C?
1. 1 answer
2. asked by Nicole
3. 471 views
a caribu trecks 125m at 35 degrees west of south, and then 105m west. what is the caribus resultant displacement
1. 1 answer
2. asked by ang
3. 402 views
How is the ability to regenerate lost body parts for most echinoderms?
1. 1 answer
2. asked by Avalon
3. 692 views
consecutive even integers can be represented by x,x+2,x+4 and so on. write an equation and solve to find 3 consecutive even
1. 3 answers
2. asked by Sara!
3. 890 views
1. on 3 tests, a student scored a total of 258 points. if the student improved his performance on each test by 5 points, what
1. 1 answer
2. asked by Sara!
3. 497 views
i don't get this questionconsecutive integers are integers that differ by one. you can represent consecutive integers as
1. 1 answer
2. asked by Sara!
3. 675 views
How much work is done on a bookshelf being pulled 5.00m at an angle of 37.0 degrees from the horizontal? The magnitude of the
1. 1 answer
2. asked by julie
3. 4,892 views
a warehouse worker pulls on the handles of a 96.0 kg cart witha net force of 128N an angle of 55.0 degrees above the horizontal.
1. 0 answers
2. asked by julie
3. 1,138 views
For each:Always true /sometimes true/never true. 1) the joule is the SI unit of force 2)the standard heat of formation for a
1. 0 answers
2. asked by Anonymous
3. 624 views
A 55.6g sample of water is cooled from 50 degrees C to 35.5 degrees C.How many calories released? How many kilocalories? How
1. 0 answers
2. asked by Anonymous
3. 511 views
25g of a breakfast cereal contain 110 calories. How many calories are released per gram? Convert the answer above to joules.
1. 1 answer
2. asked by Anonymous
3. 970 views
3/x+5/3x=19x+5x=1 14x=1 x=-13 is this right
1. 1 answer
2. asked by Angelia
3. 422 views
Find solutions of the equation in the interval [0, 2pie}Cos(x+pie/3)+Cos(x-pie/3)=1 I need to show work without calculator and
1. 3 answers
2. asked by Mike
3. 588 views
x/2-x/x-4=-4/x-4=-4x^2/2check this please
1. 3 answers
2. asked by Gregory
3. 384 views
a sled is pulled at a velocity across a horizontal snow surface. if a force of 8.0x10 to the first power N is being applied to a
1. 0 answers
2. asked by ang
3. 771 views
Let f(x)=4x-4and g(x0=x^2+3x, find (f o g)(6).
1. 1 answer
2. asked by CB
3. 386 views
what are the to be verbs and to have?
1. 1 answer
2. asked by Sara!
3. 342 views
a sled is pulled at a velocity across a horizontal snow surface. if a force of 8.0x10 to the first power N is being applied to a
1. 0 answers
2. asked by josh
3. 901 views
in super bowl XXXV, the total number of points scored was 41. the winning team outscored the losing team by 27 points. what was
1. 3 answers
2. asked by Sara!
3. 789 views
A word problem.David flew 300km on a commuter plane, then 2000km on a passenger jet. The passenger jet flew twice as fast as the
1. 1 answer
2. asked by John
3. 763 views
How many grams of Ni(OH)2 are produced from the reaction of 30.0 mL of 1.75 M NaOH solution?
1. 1 answer
2. asked by Lynn
3. 521 views
i don't get this questionconsecutive integers are integers that differ by one. you can represent consecutive integers as
1. 5 answers
2. asked by Sara!
3. 1,468 views
Find the sample size that produces the margin of error +-4.0%a) 325 b) 25 c) 16 d) 625
1. 0 answers
2. asked by Skye
3. 428 views
A survey of 480 high school students found that 37% had a pet. Find the margin of error. Round to the nearest percent. Use the
1. 0 answers
2. asked by Skye
3. 1,379 views
The numbers of cookies in a shipment of bags are normally distributed, with a mean of 64 and a standard deviation of 4. What
1. 7 answers
2. asked by Skye
3. 8,324 views
The scores on an exam are normally distributed, with a mean of 77 and a standard deviation of 10. What percent of the scores are
1. 1 answer
2. asked by Skye
3. 2,039 views
The sum of tow numbers is 5, and their difference is 26. Find the two numbers.
1. 1 answer
2. asked by CB
3. 444 views
i don't know get this question1. last saturday emily rented 4 movies from the video store. this saturday she rented 2 movies.
1. 1 answer
2. asked by Sara!
3. 507 views
the jews who lived scattered around outside of judah are called the
1. 1 answer
2. asked by any
3. 443 views
what is the square root of -3 and180h^4
1. 0 answers
2. asked by Tinkerbell
3. 284 views
Balance the following equations:a. C + O2 CO b. CO + O2 CO2 c. H2 + Br2 HBr d. K + H2O KOH + H2 e. Mg + O2 MgO please explain
1. 2 answers
2. asked by Kendra
3. 626 views
Why is rain normally acidic, what creates acid rain?Also What is SAV? THANKS!!
1. 1 answer
2. asked by smiley face
3. 461 views
can some one help me i need help wit animal habitats
1. 1 answer
2. asked by cassidy
3. 206 views
how do you solve this for x i keep getting stuck with x in too many places4^x -6(2^x) -16 =0 i assume you have to use ln but i
1. 1 answer
2. asked by jessie
3. 414 views
Which water quality test is the most important test for the health of a water ecosystem?Thanks
1. 2 answers
2. asked by big red
3. 747 views
What is the total resistance in a parallel circuit with a 10 ohm lamp and a 15 ohm lamp?
1. 1 answer
2. asked by maryanne
3. 1,144 views
Give the equation of the line that is perpendicular to the line and passes through point (0, -1).
1. 1 answer
2. asked by Tina
3. 458 views
Suppose the economy has been experiencing zero inflation and five percent unemployment for several years. The government decides
1. 1 answer
2. asked by Joe
3. 536 views
Calculate the concentration of SO2(ppm) that must be reached in polluted air (in ppm) if the dissolved gas is to produce a pH of
1. 0 answers
2. asked by Anonymous
3. 502 views
Taking the mass of the atmosphere to be 6.0E15 metric tons, what mass of carbon mustbe burned in order to increase the average
1. 1 answer
2. asked by Anonymous
3. 514 views
I need to write an application letter responding to a job ad for an office asst position. This letter should accompany my
1. 2 answers
2. asked by Ivette
3. 716 views
Could a Bronsted-Lowry acid not be an Arrhenius acid? Explain.Could someone explain the answer to me?
1. 0 answers
2. asked by Ana
3. 500 views
Find the slope of the line passing through the points (7, 0) and (0, 10).
1. 2 answers
2. asked by chris
3. 655 views
a dog walks 28 steps north and then walks 55 steps west. if the daog walks back to the starting point in a straight line, how
1. 1 answer
2. asked by ang
3. 1,332 views
solve sin(2θ)+1=0 on the interval 0≤θ≤2pi
1. 1 answer
2. asked by Julie
3. 476 views
If two jobs are upon you which one do you take the more sucessful one which you do not like the actions taking place or the less
1. 2 answers
2. asked by ali
3. 495 views

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