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Questions Asked on October 20, 2012

Consider the following reaction.CaSO4(s) Ca2+(aq) + SO42-(aq) At 25°C the equilibrium constant is Kc = 2.4 10-5 for this
1. 3 answers
2. asked by Olivia
3. 7,311 views
The cheetah is one of the fastest-accelerating animals, because it can go from rest to 18.2 m/s (about 41 mi/h) in 2.7 s. If its
1. 1 answer
2. asked by Elizabeth
3. 6,065 views
A 1.00kg ball and a 2.00kg ball are connected by a 4.63m long rigid, massless rod. The rod is rotating clockwise about its
1. 1 answer
2. asked by Syed
3. 5,377 views
You live near a bridge that goes over a river. The underside of the bridge is an arch that can be modeled with the function
1. 19 answers
2. asked by LEE
3. 4,181 views
The volumes of two similar figures are given. The surface area of the smaller figure is given. Find the surface area of the
1. 2 answers
2. asked by Anonymous
3. 3,881 views
Bicyclists in the Tour de France do enormous amounts of work during a race. For example, the average power per kilogram
1. 3 answers
2. asked by Elizabeth
3. 3,842 views
A cylinder is generated by rotating a rectangle with perimeter 12 in. about one of its sides.?Express the volume of the cylinder
1. 3 answers
2. asked by riri
3. 3,408 views
Bonnie and Clyde are sliding 500 bank safe across the floor to their getaway car. The safe slides with a constant speed if Clyde
1. 2 answers
2. asked by Kris
3. 3,393 views
find the similarity ratio of a cube with volume 729 m^3 to a cube with volume 3,375 m^3?
1. 3 answers
2. asked by Anonymous
3. 3,198 views
The speaker in the poem from Auden’s “The Ten Songs” is trying to flee from?police. Hitler. memories. floods.
1. 7 answers
2. asked by Deb
3. 3,079 views
In “First Confession”, the author adds to the interest of the story by using?European Idioms. common phrases. short,
1. 3 answers
2. asked by Deb
3. 2,990 views
The tightrope walker gets tired and decides to stop for a rest. During this rest period, she is in translational equilibrium.
1. 1 answer
2. asked by Lily
3. 2,644 views
How many integers between 200 and 500 inclusive leave a remainder 1 when divided by 7 and a remainder 3 when divided by 4?Find
1. 2 answers
2. asked by Jimmy
3. 2,364 views
solve log(7x-3)+2log(5)=2+log(x+3)I've attempted to do this question and I ended up with log(7-3)+log(5^2)-log(x+3)=2 but I
1. 2 answers
2. asked by Kevin
3. 2,038 views
by selling 90 computer a shopkeeper gains the amount which is equal to the selling price of 10 computer find the profit percent
1. 1 answer
2. asked by TUHITUHI
3. 1,856 views
Performing the same experiment described on your lab manual, a student used a 0.358 g sample of Alka-Seltzer and the mass of CO2
1. 11 answers
2. asked by Jena
3. 1,643 views
After you pick up a spare, your bowling ball rolls without slipping back toward the ball rack with a linear speed of v = 3.27
1. 2 answers
2. asked by Emily
3. 1,638 views
when hugo was 9 years old he was 56 inches tall. hugo is now 12 years old and he is 62 inches tall. fins the percent of increase
1. 4 answers
2. asked by rawr... im a dinosaur.... rawr
3. 1,517 views
How much mulch will you need to cover a rectangular garden that is 20 feet by 30 feet with a 3 inch layer of mulch? Explain.
1. 3 answers
2. asked by Chelsea
3. 1,408 views
A water heater is fueled by the combustion of propane as described by the following reaction:C3H8(g) + 5 O2(g) --> 3 CO2(g) + 4
1. 2 answers
2. asked by Kjd
3. 1,398 views
In 2.0 minutes, a ski lift raises 5 skiers at constant speed to a height of 190 m. The average mass of each skier is 65 kg. What
1. 1 answer
2. asked by 4319
3. 1,378 views
Consider 4.50L of a gas at 365 mmHg and 20 degree C . If the container is compressed to 2.70 L and the temperature is increased
1. 1 answer
2. asked by anonymous 78
3. 1,371 views
the 1st term of an ap is twice the common difference find in terms of the 5th term of the ap
1. 2 answers
2. asked by d 1st term of an ap is twice the common difference find in terms of the 5th term of the a
3. 1,353 views
Suppose a computer virus begins by infecting 8 computers in the first hour it is released. Each hour after that, each newly
1. 3 answers
2. asked by ProudParent
3. 1,344 views
a fruit seller buys 100kg apple at the rate of rs 20 per /kg . He sold 40 kg at a loss of 7%.At what price should we sell the
1. 1 answer
2. asked by TUHITUHI
3. 1,339 views
the product of a 1 digit number and a 2-digit number number is 284 what is the answer
1. 4 answers
2. asked by brittany
3. 1,329 views
For 2 SO2(g) + O2(g) 2 SO3(g), Kp = 3.0 104 at 700 K. In a 2.00-L vessel the equilibrium mixture contains 1.58 g of SO3 and
1. 1 answer
2. asked by Claire
3. 1,327 views
Je m'appelle Claire LeFèvre et j'habite en Californie. Mes parents travaillent dans une industrie privée à San Diego et
1. 3 answers
2. asked by Lilly
3. 1,325 views
A car of mass 1396 kg is parked on a very slippery hillside (see figure below). To keep it from sliding down the hill (è =
1. 1 answer
2. asked by Lily
3. 1,321 views
The average temperature, in °F, for Atlanta, GA is modeled by the sinusoidal function y = 18.25 sin(pi/6 t - 2.09) + 61.15
1. 1 answer
2. asked by Hannah
3. 1,213 views
In attempt to increase revenue and profits, a firm is considering a 4 percent increase in price and an 11 percent increase in
1. 0 answers
2. asked by delaina
3. 1,203 views
The length of a rectangular banner is 3 feet longer than its width. If the area is 70 square feet, find the dimensions.
1. 2 answers
2. asked by ....
3. 1,200 views
Are there any advantages or disadvantages to using data that follow a normal distribution?
1. 1 answer
2. asked by Misty
3. 1,197 views
a woman ivests in two bank accounts, one with a 3% percent interest and the other paying 9% simple interest per year.She puts
1. 1 answer
2. asked by jay
3. 1,196 views
A very flexible helium-filled balloon is released from the ground into the air at 20 degree C. The initial volume of the balloon
1. 1 answer
2. asked by Liang
3. 1,192 views
Consider a swimmer who wants to swim directly across a river. If the speed of the current is 0.31 m/s and the swimmer's speed
1. 1 answer
2. asked by Anne
3. 1,115 views
Use Newton's Method to approximate the positive root of the functionf(x) = (x^5) - 20 Show each iteration until successive
1. 0 answers
2. asked by Suzy
3. 1,094 views
A cone shaped paper drinking cup is to be made from a circular piece of paper of radius 3 inches by cutting out a sector of the
1. 0 answers
2. asked by Sissy
3. 1,077 views
1. Suppose that the market of laptops is given by following supply and demand curves given below:Qd = 5000 − 3p Qs = 1000 + p.
1. 1 answer
2. asked by Anonymous
3. 1,061 views
a 1000kg car goes over the top of a hill with a radius curvature equal to 40.0m. At the top of the hill the normal force is
1. 1 answer
2. asked by Anonymous
3. 1,059 views
binary operationm.n=m2+n is associative or commutative?
1. 3 answers
2. asked by JENNY
3. 1,018 views
A soccer ball is kicked with an initial speed of 23 m/s at an angle of 20° with respect to the horizontal.(a) Find the maximum
1. 0 answers
2. asked by Anne
3. 1,010 views
Suppose you wanted to test your ESP using an ordinary deck of 52 cards, which has 26 black and 26 red cards. You have a friend
1. 1 answer
2. asked by Sydney
3. 1,004 views
The volumes of two spheres are 729 in3 and 27 in3
1. 0 answers
2. asked by Anonymous
3. 979 views
HOW TO FACTOR 20X^2+23X-21 STEP BY STEP
1. 1 answer
2. asked by Anonymous
3. 974 views
Sketch the graph of f(x)=x^2/x-2. Identify the domain, x-intercepts, y intercepts, symmetry, periodicity, asymptotes, increasing
1. 2 answers
2. asked by Anonymous
3. 949 views
A piece of wood with mass m = 2.7 kg is held in a vise sandwiched between two wooden jaws as shown in the figure below. A blow
1. 1 answer
2. asked by Lily
3. 923 views
The model airplane in figure below is flying at a speed of 21 m/s on a horizontal circle of radius 18 m. The mass of the plane
1. 2 answers
2. asked by Elizabeth
3. 908 views
A skier is traveling at a speed of 36.2 m/s when she reaches the base of a frictionless ski hill. This hill makes an angle of
1. 2 answers
2. asked by Lily
3. 897 views
Cans of regular Coke are labeled as containing 12.Statistics students weighted the content of 10 randomly chosen cans, and found
1. 0 answers
2. asked by S
3. 878 views
all the following are true about water except that it:a has a very high specific heat capacity compared to ther substances. b.
1. 1 answer
2. asked by ray
3. 862 views
Bluejay Corp. prepared a bank reconciliation as of July 31, 2009. The following items were identified:Bluejay's bank statement
1. 0 answers
2. asked by Anton
3. 843 views
A common pickup for an electric guitar consists of a coil of wire around a small permanent magnet, as described in Figure 25.5.
1. 1 answer
2. asked by norma
3. 836 views
The weekly demand for the Pulsar 25 color LED television is represented by p, where p denotes the wholesale unit price in
1. 0 answers
2. asked by Ashley
3. 822 views
A semitrailer is coasting downhill along a mountain highway when its brakes fail. The driver pulls onto a runaway-truck ramp
1. 1 answer
2. asked by Elizabeth
3. 801 views
a particle moves in a straight line such that its position x from a fixed point 0 at time 't' is given byx= 5 + 8sin2t + 6cos2t
1. 2 answers
2. asked by Candice
3. 794 views
How does Dante feel about the journey he’s about to take with Virgil?worse than before he talked with Virgil better now that
1. 1 answer
2. asked by Deb
3. 794 views
The most prominent line in the atomic spectrum of mercury occurs at a wavelength of 253.652 nm. What is the energy of 0.625
1. 2 answers
2. asked by Kjd
3. 787 views
While preparing the April 30th bank reconciliation for the checking account for Calvin Corporation, the accountant identified
1. 1 answer
2. asked by Anton
3. 784 views
christi rides her bicycle 7 blocks south. 3 blocks east, 5 blocks north, and 8 blocks west. how many blocks has she ridden when
1. 1 answer
2. asked by john
3. 784 views
Joint social attention refers to the ability toA. communicate with two people at the same time. B. coordinate one’s focus of
1. 1 answer
2. asked by Felicia
3. 749 views
For 6.0*10^-2 M H2CO3, a weak diprotic acid, calculate the following values. Use ionization constants of H2CO3: Ka1=4.4*10^-7,
1. 1 answer
2. asked by aliceallyx3
3. 734 views
The half-life of a radioactive material is about 34.6 years. How much of a 1-gram sample of the material is left after 30 years?
1. 1 answer
2. asked by Anonymous
3. 713 views
If 1200 square centimeters of material is available to make a box with a square base and open top, find the largest possible
1. 0 answers
2. asked by Suzy
3. 710 views
Suppose a shipment of 500 machine parts contains 62 defective and 438 non-defective machine parts. From the shipment you take a
1. 1 answer
2. asked by Brenda
3. 701 views
I am maybe overthinking this, but what is the lim as n-> infinity of |(n+1)/(n+2)|? I am trying to use the ratio test to find
1. 2 answers
2. asked by Luma
3. 697 views
Use differentials to approximate the maximum error propagated when calculating the volume of a sphere, if the radius is 5 + or -
1. 0 answers
2. asked by Cassie
3. 689 views
The most common underlying feature associated with reading disorders isA. associating new words with those in memory. B.
1. 5 answers
2. asked by Felicia
3. 688 views
You and a friend each drive 63 km to thesame destination. You travel at 88.7 km/h and your friend at 96 km/h. How long will your
1. 1 answer
2. asked by Anonymous
3. 670 views
Hello.I'm having difficulty with this question In the diagram, the coefficient of kinetic friction between the 2.00 kg and the
1. 2 answers
2. asked by Priya
3. 660 views
two objects repel each other. can we be sure they are both electrically charged? how can we know which sign of charge? two
1. 0 answers
2. asked by aa
3. 659 views
01:34:47The volumes of two spheres are 729 in3 and 27 in3. What is the ratio of their radii, rounded to the nearest whole
1. 1 answer
2. asked by Anonymous
3. 652 views
how does geography affect the development of a civilization?
1. 1 answer
2. asked by Matt
3. 651 views
A block slides down an inclined plane that makes an angle of 23° with the horizontal. There is friction between the block and
1. 0 answers
2. asked by Anne
3. 639 views
The surface areas of two similar solids are 289 ft2 and 900 ft2. The volume of the larger solid is 1,755 ft3. What is the volume
1. 2 answers
2. asked by Anonymous
3. 636 views
√3x-2+√2x+5+1=0 Could this square root problem be solved by using a graphing TI-84 Plus calculator? If so, will you please
1. 3 answers
2. asked by sandy
3. 624 views
Hi for my school work I have to say out of which three colonies experienced more freedom in the seventeenth century which is
1. 1 answer
2. asked by Jasmine
3. 610 views
The table below shows Rico’s grades during the third term in four subjects.Subject Units Grade Math 1.5 98 Science 2 97
1. 1 answer
2. asked by Milen
3. 600 views
minimize p= 15x +18ysubject to x+2y<=20 3x + 2y>= 36 x>=0 y>=0
1. 0 answers
2. asked by garnel
3. 599 views
When 1662 J of heat energy is added to 45.9 g of hexane, C6H14, the temperature increases by 16.0 °C. Calculate the molar heat
1. 1 answer
2. asked by ashley
3. 596 views
THIS QUESTION IS WORTH 50 MARKSI NEED SOURCES AS WELL Give 2 different reasons why two muscles that act across the same side of
1. 2 answers
2. asked by jawed hakimi
3. 593 views
A 33.6-kg crate rests on a horizontal floor, and a 64.7-kg person is standing on the crate. Determine the magnitude of the
1. 1 answer
2. asked by Anonymous
3. 588 views
Consider the system of blocks in the figure below, with m2 = 5.0 kg and è = 33°. If the coefficient of static friction between
1. 1 answer
2. asked by Lily
3. 585 views
Part I: Suppose you are developing a statistical database in which information about professional football teams and records are
1. 1 answer
2. asked by Chuck
3. 585 views
distance from A-B is 40 km.Mandy starts from A at 11 am and Jason starts from B at 1 pm.He walks at 5 km/h and gets to A at the
1. 1 answer
2. asked by wan
3. 584 views
In 1893, the city of Chicago put on a World's Fair to celebrate the 400th anniversary of Columbus' trip to the Americas. The
1. 0 answers
2. asked by Ashley
3. 582 views
5 countries in Africa with coastlines on the Atlantic Ocean and lie between 20 degrees n and 10 degrees n? I think they are
1. 1 answer
2. asked by Alex
3. 571 views
Use any calculus method to determine extrema, intervals where the function is increasing or decreasing, asymptotes,and points of
1. 1 answer
2. asked by Sissy
3. 570 views
I have to do a project on the bacteria/micro called streptococcusand s the any website that would answer these following
1. 2 answers
2. asked by HEALTH
3. 556 views
Use any calculus method to determine extrema, intervals where the function is increasing or decreasing, asymptotes, and points
1. 1 answer
2. asked by Amy
3. 552 views
new south wales has 1900 km of coastline.this is 10600 km less than western australia,but 100 km greater than victoria.south
1. 1 answer
2. asked by wan
3. 551 views
It's important to include references in your research paper because referencesA. reduce the risk of false conclusions. B. prove
1. 0 answers
2. asked by Anonymous
3. 551 views
prove the inequality sin x + tan x > 2x for x �¸ (0, pi/2)i don't know what i must do with this equation, can someone explain
1. 1 answer
2. asked by jul
3. 547 views
machines A &B.Model A machines each cost $200 to make at a profit of $25 each. Model B cost $3oo to make at a $40 profit. Total
1. 0 answers
2. asked by garnel
3. 543 views
Given 1.01 g of H2 in the reaction H2 + 1/2 O2 = H2O. The Delta H for solution is 143 kJ. What is the delta H for the reaction?
1. 1 answer
2. asked by Roger
3. 537 views
does infinite power series -1/n diverge? (i think so, because it is just the negative of the harmonic series)...?thank you!
1. 1 answer
2. asked by Nikky
3. 532 views
A bullet is fired from a rifle with a speed v0 at an angle è with respect to the horizontal axis from a cliff that is a height
1. 0 answers
2. asked by Anne
3. 517 views
Use suitable identity to get product:1) (x3 - 3/8) (x3 + 1/4) 2) (p2 + 16) (p2 - 1/4) 3) (y - 7) (y + 12) Thanks in
1. 3 answers
2. asked by Shaija
3. 508 views
In comparison to children with autism, children with schizophreniaA. tend to be younger at diagnosis. B. show a more chronic and
1. 0 answers
2. asked by Anonymous
3. 507 views
What magnitude of earthquake would release energy equivalent to 35 trillion jules?I know the formula is: E= (2.5 X 10^4) X
1. 1 answer
2. asked by Sam
3. 502 views

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