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Questions Asked on April 30, 2011

The Hydrolysis Reactions - Write net-ionic equations for the reaction of each salt with water below. If there is no reaction,
1. 1 answer
2. asked by K
3. 13,522 views
A 0.50 kilogram ball is thrown vertically upward with an initial kinetic energy of 25 joules. Approximately how high will the
1. 3 answers
2. asked by lucy
3. 12,091 views
Five cards are drawn from an ordinary deck without replacement. Find the probability of gettinga. All red cards b. All diamonds
1. 3 answers
2. asked by Michelle
3. 7,062 views
A planet is in circular orbit about a remote star, far from any other object in the universe. Which of the following statements
1. 1 answer
2. asked by Catherine
3. 2,797 views
What is the image distance of a 4 cm tall object placed 40 cm from a concave mirror having a focal length of 10 cm?Choose one
1. 3 answers
2. asked by ashley --
3. 2,622 views
Distinguish between properties of the two major types of supernovae: massive star supernovae and white dwarfs.All supernovae
1. 2 answers
2. asked by Misty
3. 2,441 views
Find a power function of the form y=ax^b whose graph passes throught the points (2, 5) and (8, 12).How do i solve this??
1. 1 answer
2. asked by Brittney
3. 2,228 views
The mass of calcium hydrogen carbonate that would be found in 52.0L of hard water in a bathtub is _______________ g.The amount
1. 3 answers
2. asked by Cheryl
3. 1,967 views
What are consecutive numbers?-The sum of TWO consecutive whole numbers is 99. What are they? -The sum of THREE consecutive whole
1. 1 answer
2. asked by Crissy XD
3. 1,886 views
What is the critical angle of light traveling from benzene (n=1.501) into air?Choose one answer. a. 40.05o b. 48.22o c. 41.78o
1. 2 answers
2. asked by ashley --
3. 1,785 views
A house is rented for $2000 per quarter, with each quarter's rent payable in advance. If money is worth 2%, compounded
1. 1 answer
2. asked by plz help
3. 1,658 views
Dilute H3PO4(aq) and NaOH(aq) are mixed in chemically equivalent quantities. Write the formula equation for the reaction
1. 1 answer
2. asked by Donna
3. 1,549 views
Suppose a young couple deposits $700 at the end of each quarter in an account that earns 7.1%, compounded quarterly, for a
1. 1 answer
2. asked by cant figure this out :(
3. 1,440 views
Research one factor that causes ill health , accidents , crises or disasters: 1) alcoholism
1. 16 answers
2. asked by Bheki
3. 1,437 views
If $3000 is deposited at the end of each half year in an account that earns 6.2% compounded semiannually, how long will it be
1. 2 answers
2. asked by yeah
3. 1,431 views
1. 21{1[2(24)24]}> The average height of members of the high school basketball team is six feet, three inches. Jerry is on the
1. 22 answers
2. asked by Jean
3. 1,407 views
Monochromatic light of wavelength 550 nm passes through a diffraction grating that has 55000 lines/m. A bright line appears on
1. 3 answers
2. asked by ashley --
3. 1,367 views
The period of a simple pendulum is measured to be 4.0 seconds in a frame of reference. Which of the following is correct when
1. 1 answer
2. asked by ashley --
3. 1,335 views
1. <21{1[2(24)24]}> The average height of members of the high school basketball team is six feet, three inches. Jerry is on the
1. 11 answers
2. asked by Jean
3. 1,291 views
A young executive deposits $400 at the end of each month for 7 years and then increases the deposits. If the account earns 7.2%,
1. 1 answer
2. asked by worried
3. 1,283 views
A company employs 10 people and plans to select a group of 4 of these employees to receive advanced training. How many ways can
1. 1 answer
2. asked by Shelley
3. 1,242 views
Okay, so my sister did her resume and cover letter, and Im supposed to evaluate her, either with an G, S, or an N. So I gave her
1. 1 answer
2. asked by Anonymous
3. 1,216 views
One person talking softly in a room is about 60dB. If 100 people in the room are all talking at the same level the intensity is
1. 1 answer
2. asked by Anonymous
3. 1,186 views
Dominic was 8 years old when his sister was born. Now the sum of their ages i 56. How old is Dominic now?
1. 1 answer
2. asked by HELP!!!
3. 1,152 views
A mixture of KCI and KClO3 weighing 1.80g was heated. The dry O2 generated occupied 140ml at STP. What percent of the original
1. 1 answer
2. asked by Lisa
3. 1,106 views
So I posted like 3-4 weeks ago that I was doing a project about fascinating etymology stories and I got a few great websites:)I
1. 4 answers
2. asked by Rebekah
3. 1,088 views
Newton’s Law of Gravity specifies the magnitude of the interaction force between two point masses, m1 and m2, separated by the
1. 3 answers
2. asked by Abi
3. 1,082 views
Highwq curves. If a circular curve without any banking has a radius of R feet, the speed limit L in miles per hour is L = 1.5
1. 1 answer
2. asked by Shin
3. 1,080 views
evaluate the integralintegral of 3 to 2 x/(x^2-2)^2 dx u=x^2-2 du=2x dx 1/2 du = x dx integral of 1/u^2 du -1/(x^2-2) Then I
1. 1 answer
2. asked by Hannah
3. 1,068 views
Sorry, the 1st part to those 2 questions are:Hard water contains metal ions, most commonly calcium and magnesium ions. Some
1. 1 answer
2. asked by Cheryl
3. 1,052 views
Find the future value of an annuity due of $100 each quarter for 2½ years at 11%, compounded quarterly.
1. 4 answers
2. asked by eek
3. 1,050 views
ndicate whether a sentence is a run-on or correct. If the sentence is a run-on, correct it using your knowledge of coordination
1. 6 answers
2. asked by Amor
3. 1,043 views
Solve the equation4e^x -2=14 I got it this far... 4e^x=16 But now what?
1. 4 answers
2. asked by Kenya
3. 1,038 views
Let f(3) = 0, f '(3) = 6, g(3) = 1, and g '(3) = 1/3. If h(x) = f(x)*g(x), find h '(3).
1. 2 answers
2. asked by Todd
3. 1,036 views
The very large increase in allergies over the last thirty years is due to the great success of immunizations administered over
1. 1 answer
2. asked by Jean
3. 1,012 views
A young executive deposits $400 at the end of each month for 7 years and then increases the deposits. If the account earns 7.2%,
1. 3 answers
2. asked by distressed
3. 995 views
A pendulum consists of a mass m = 0.12 kg hanging from a flexible string of length L. The string is very thin, very light, and
1. 1 answer
2. asked by Joan
3. 993 views
I am in need of help with my final project in Geology. I have to create a 12-15slide powerpoint presentation on Factors and
1. 1 answer
2. asked by Joe
3. 976 views
Choose the correct quantity to fill in the blank:Integral_______ dx = (ax2 - a2)4 + C.
1. 1 answer
2. asked by Todd
3. 967 views
How many grams of sodium are contained in 10 grams of sodium sulfate?
1. 1 answer
2. asked by Anonymous
3. 964 views
The period of a simple pendulum is measured to be 4.0 seconds in a frame of reference. Which of the following is correct when
1. 1 answer
2. asked by ashley --
3. 936 views
So I wanted to start my etymology paper about fascinating word origins with a quote as my attention grabber. I am looking for a
1. 4 answers
2. asked by Rebekah
3. 930 views
Ryan spent a dollar on a Tri-State Megabucks ticket, enticed by a big jackpot. Ryan chose six different numbers from 1 to 40,
1. 1 answer
2. asked by jane
3. 908 views
describe how you can crystallize potassium nitrate from its aqueous solution
1. 3 answers
2. asked by ziki
3. 894 views
Mary B deposits $8500 into a savings account, compounded monthly at a nominal interest rate of 9 percent, as part of a savings
1. 1 answer
2. asked by Randi
3. 878 views
What is the size of the payments that must be deposited at the beginning of each 6-month period in an account that pays 6.6%,
1. 1 answer
2. asked by cant figure this out :(
3. 871 views
A stretched string has a third harmonic frequency of 600 Hz. What is the frequency of the second harmonic?
1. 2 answers
2. asked by Anonymous
3. 860 views
Consider the line passing through the points (2, 1) and (-2, 3). Find the parametric equation for y if x = t + 1.
1. 1 answer
2. asked by Alex
3. 838 views
Find the corresponding rectangular coordinates for the polar point (4, -/6).
1. 1 answer
2. asked by Vance
3. 829 views
An observer measures the length of an object. In which of the following cases is the measured length at a minimum?Choose one
1. 1 answer
2. asked by ashley --
3. 818 views
If $3000 is deposited at the end of each half year in an account that earns 6.2% compounded semiannually, how long will it be
1. 2 answers
2. asked by yeah
3. 807 views
The comparison to children with adhd-hi, children with the subtype adhd-pi are greater risk for?A.ANTISOCIAL BEHAVIOR
1. 5 answers
2. asked by mallory
3. 797 views
1. He made them be quiet in the library.2. He made them quiet in the library. 3. He had them be quiet in the library. 4. He had
1. 1 answer
2. asked by rfvv
3. 789 views
So... this is the question which is from AP chem 2006 past paper.Suppose that a stable element with atomic number 119, symbol Q,
1. 2 answers
2. asked by --
3. 786 views
is pennsylvania's government a monotheistic or not?
1. 1 answer
2. asked by Seth
3. 779 views
Marks: 5In an experiment conducted using the Young's double-slit apparatus, the separation between the slits is 20 µm. A
1. 0 answers
2. asked by ashley --
3. 779 views
Which of the following statements is not true about resonance?Choose one answer. a. It is easy to get an object to vibrate at
1. 0 answers
2. asked by ashley --
3. 765 views
whats the excluded value of 30k - 20 over 90k
1. 1 answer
2. asked by Charnai Smith
3. 760 views
the ______ value indicates the amount of resistance in 1cm of insulation
1. 2 answers
2. asked by loserisuck
3. 750 views
The perimeter of a rectangle is 194 inches. the length exceeds the width by 31 inches. find the L&W
1. 7 answers
2. asked by Renee
3. 749 views
Calculate the magnitudes of the gravitational forces exerted on the Moon by the Sun and by the Earth when the two forces are in
1. 0 answers
2. asked by Bon Oncle
3. 741 views
a.What does “seven earths” as implied in verse 12 surah at-Talaq actually mean?b.Why does the Quran use only a singular
1. 2 answers
2. asked by fidah
3. 740 views
What is the size of the payments that must be deposited at the beginning of each 6-month period in an account that pays 6.6%,
1. 0 answers
2. asked by plz help
3. 730 views
Marks: 2The time taken by the space craft moving at a speed equal to half the velocity of light to go from star A to star B is 2
1. 1 answer
2. asked by ashley --
3. 728 views
Which of the following statements is true about a mass, which is attached to a spring and moves with simple harmonic motion on a
1. 2 answers
2. asked by ashley --- HELP PLEASEE!!!
3. 720 views
Here are data for Germany and Japan on the ratio of employment to population in 1979 and 20031979 for Germany is 0.33 2008 for
1. 1 answer
2. asked by Ling Chow
3. 717 views
What were the economic and social differences between the North and the South around the 1830s?What types of classes lived
1. 1 answer
2. asked by Bobby
3. 710 views
Listen, I am a college student. I have to do a research paper for my Enviornmental Science Paper. I need to use 8 web sources.
1. 6 answers
2. asked by Willy Wonka
3. 697 views
Peter invests $12500 for 5 years at 12 percent per annum,compounded monthly foe the first two years, and 14 percent per annum
1. 1 answer
2. asked by Randi
3. 682 views
Assignment: Together We Stand LetterSuppose you live in a new suburban community. It offers all the amenities and benefits of a
1. 1 answer
2. asked by laura
3. 681 views
Find the corresponding rectangular coordinates for the polar point (4, -/6).
1. 1 answer
2. asked by Alex
3. 681 views
What were the effects of having to use rivers to complete such long journeys?I don't know. Please help.
1. 9 answers
2. asked by Anonymous
3. 681 views
So I am writing a lab report and Im stuck with calculating the enthalpy change of combustion of the following reaction:Mg+2HCl--
1. 3 answers
2. asked by Ashley
3. 671 views
courses per year the total comes to $8,760. With this information financial aid does not begin to cover my tuition for a year.
1. 2 answers
2. asked by kim
3. 664 views
I am doing Unit Analysis and I can not fugure out how to set the promble up on these 3. Am not great at these because there like
1. 2 answers
2. asked by Shawn L
3. 663 views
Write a 1,050- to 1,400-word research paper in which you identify the linguistic, political, social, economic, religious, and
1. 0 answers
2. asked by Meka
3. 661 views
Marks: 2The time taken by the space craft moving at a speed equal to half the velocity of light to go from star A to star B is 2
1. 0 answers
2. asked by ashley --
3. 661 views
1) solve:e^x(x^2-4)=0e^x=0 and then (x+2)(x-2) so x=2, -2 2) differentiate: y=ln(6x^2 - 3x + 1) 1/(6x^2 - 3x + 1) * 12x-3 3)
1. 4 answers
2. asked by Hannah
3. 656 views
If an observer is traveling parallel to a rod at twice the speed of the rod, what is does the observer perceive the length to
1. 0 answers
2. asked by ashley --
3. 654 views
a steel has a steel lid that is stuck tightly to the can. is it possible to open the can by running it under hot water?1. yes 2.
1. 1 answer
2. asked by HELP!!!!
3. 652 views
About the Trading posts...HBC and NWC.Why were many posts of the rival companies placed next to each other? This is so
1. 12 answers
2. asked by Anonymous
3. 650 views
If an observer is traveling parallel to a rod at twice the speed of the rod, what is does the observer perceive the length to
1. 1 answer
2. asked by ashley --
3. 647 views
Could someone work this question out so I understand it. ThanksThe marginal price dp/dx at x units of demand per week is
1. 1 answer
2. asked by Jules
3. 645 views
Pls i need help with this newsreport. can you pls tell me if it sounds like it or not and you can also advice me on somethings
1. 5 answers
2. asked by ted
3. 638 views
Choose the correct quantity to fill in the blank:Integral_______ dx = (ax2 - a2)4 + C.
1. 1 answer
2. asked by Todd
3. 632 views
Where do paramecium bursaria fit in an ecological food chain? Are paramecium bursaria a producer, consumer, or decomposer? What
1. 0 answers
2. asked by Samantha
3. 630 views
The problem is I don't know how to answer this question.Many writers create characters who are blissfully unaware of how they
1. 1 answer
2. asked by Chrystal-Jhean
3. 629 views
Newton’s Law of Gravity specifies the magnitude of the interaction force between two point masses, m1 and m2, separated by the
1. 0 answers
2. asked by Abi
3. 626 views
Newton’s Law of Gravity specifies the magnitude of the interaction force between two point masses, m1 and m2, separated by the
1. 2 answers
2. asked by Abi
3. 626 views
Find the second derivative (d2y/dx2) for the curve given byx = 2·cos() and y = sin()
1. 0 answers
2. asked by Vance
3. 623 views
The third harmonic of a guitar string has a frequency of 170 Hz. What is the length of the guitar string if the speed of the
1. 1 answer
2. asked by ashley --
3. 618 views
Consider the line passing through the points (2, 1) and (-2, 3). Find the parametric equation for y if x = t + 1.
1. 1 answer
2. asked by Missy
3. 611 views
Write a 1,050- to 1,400-word research paper in which you identify the linguistic, political, social, economic, religious, and
1. 2 answers
2. asked by meka
3. 610 views
Consider the line passing through the points (2, 1) and (-2, 3). Find the parametric equation for y if x = t + 1.
1. 1 answer
2. asked by Vance
3. 607 views
Jack and Jill blow their whistles at the same time producing sound waves at frequencies of 400 Hz and 404 Hz respectively. How
1. 1 answer
2. asked by ashley --
3. 598 views
What are your strengths? What are your weaknesses?What are some strengths and weaknesses?
1. 2 answers
2. asked by Anonymous
3. 597 views
f(x,y)=x^2 e^2x lny (2,1)I need to find the partial derivatives with respect to x and y. I have not idea how to do this
1. 1 answer
2. asked by Hannah
3. 596 views
what is the rule for the geometric sequence: 5000, 500, 50, 5?
1. 1 answer
2. asked by sky
3. 596 views
Is it probable that the sun will become a supernova? Why or why not?
1. 2 answers
2. asked by Kallie
3. 587 views
How many grams of Li2SO4 are needed to prepare 250.0 mL of a 4.0% m/v Li2SO4 solution?
1. 1 answer
2. asked by Debbie
3. 586 views

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