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Questions Asked on March 10, 2013

Phosphoric acid, H3PO4(aq), is a triprotic acid, meaning that one molecule of the acid has three acidic protons. Estimate the
1. 4 answers
2. asked by Paula
3. 12,893 views
A cylinder shaped can needs to be constructed to hold 400 cubic centimeters of soup. The material for the sides of the can costs
1. 2 answers
2. asked by jonh
3. 11,888 views
A private opinion poll is conducted for a politician favors decriminalizing marijuana possession. How large a sample is needed
1. 1 answer
2. asked by Clifford
3. 4,556 views
Which of the following represent conjugate acid-base pairs? For those pairs that are not conjugates, write the correct conjugate
1. 2 answers
2. asked by Juan
3. 4,403 views
a ball tossed to a height of 4 meters rebounds 40% of its previous height. the total distance travelled by the ball by the time
1. 3 answers
2. asked by ross
3. 4,353 views
Plastic articles can be chromium-plated by coating them with thin layer of graphite paste,placing them in a bath of aqueous
1. 2 answers
2. asked by harish
3. 4,200 views
A car is driven east for a distance of 46 km, then north for 29 km, and then in a direction 29° east of north for 22 km.
1. 1 answer
2. asked by Michael
3. 3,355 views
a uniform rod 100cm long and weighing 50N is supported on a horizontal position on a fulcrum which weights of 80N and 100N
1. 2 answers
2. asked by nicolyan
3. 2,822 views
An alpha particle (charge +2e and mass 6.64 x10-27 kg) is traveling to the right at 1.50 km/s. What uniform electric field
1. 3 answers
2. asked by Anonymous
3. 2,799 views
A roulett wheel has 38 slots in which a ball can land two of e slots are green, 18 are red, 18 are black. The ball is equally
1. 1 answer
2. asked by Salina
3. 2,797 views
Q: Corbin is playing a board game that requires rolling two number cubes to move a game piece. He needs to roll a sum of six on
1. 2 answers
2. asked by dingbat
3. 2,635 views
For the reaction 2A(g) + B(aq) + 3C(l)<------> D(s) + 3E(g), the concentrations at equilibrium are found to be:A: 2.3x10^3 Pa B:
1. 3 answers
2. asked by Ashley
3. 2,628 views
Sarah took the advertising department from her company on a round trip to meet with a potential client. A total of 9 people took
1. 2 answers
2. asked by Melessa
3. 2,503 views
Is CF4 polar or nonpolar?
1. 1 answer
2. asked by landa
3. 2,470 views
Sn (s) + 2Cl2(g) --> SnCl4(l).Sn(s) + Cl2(g) --> Sn Cl2(l) DH = -186.2 kJSnCl2(s) + Cl2(g) --> SnCl4(l) DH = -325.1 kJWhat is
1. 1 answer
2. asked by Sammantha
3. 2,264 views
Directions: Suppose you have a standard deck 52 cards (4 suits: hearts, diamonds, clubs, and spades each suit has 13 cards (1/4
1. 1 answer
2. asked by Sarah
3. 2,216 views
write a polynomial function in standard form with the given zeros. 1-2i,2
1. 3 answers
2. asked by lisa
3. 2,149 views
A right pentagonal prism is 10 cm high. If the area of each pentagonal base is 32 cm squared and the perimeter is 20 cm, what
1. 22 answers
2. asked by tmouery
3. 2,032 views
Write two unit rates relating meters and kilometers.
1. 3 answers
2. asked by Sue
3. 1,889 views
Triangles ABC and DEF are similar. Find the area of triangle ABC. Round your answer to the nearest tenth. the answer should be
1. 1 answer
2. asked by sally
3. 1,785 views
The formula weight of an acid is 82. In a titration, 100cm3 of the solution of this acid containing 39g of this acid per litre
1. 1 answer
2. asked by Fai
3. 1,638 views
1. If average movie attendance is 250 million when prices are $7 a ticket and 200 million when prices are $9 a ticket, the
1. 2 answers
2. asked by tania
3. 1,523 views
The position vector r of a particle moving in the xy plane is r=2ti+2sin[(pi/4)t]j , with is in meters and t in seconds. (a)
1. 1 answer
2. asked by Anonymous
3. 1,477 views
An ice cream vendor sells three flavors: chocolate, strawberry, and vanilla. Forty five percent of the sales are chocolate,
1. 1 answer
2. asked by cate
3. 1,447 views
a)A N6+ ion in its ground state absorbs an X-ray photon of energy 2.0000keV. Explain what happens to the ion and why. b)Explain
1. 2 answers
2. asked by john
3. 1,427 views
A 0.157kg ball is thrown straight up from 1.81m above the ground. Its initial vertical speed is 10.40m/s. A short time later, it
1. 1 answer
2. asked by Anonymous
3. 1,356 views
Mark bought four times as many apples as Harry and three times as many apples as Martin. If Mark, Harry, and Martin purchased
1. 2 answers
2. asked by Dawn
3. 1,344 views
solve each equation 1) log5-log2x=1 2) 2log(x+1)=5
1. 2 answers
2. asked by lisa
3. 1,316 views
The carpet cost $18.95 per square yard.The width is 18ft and the length is 25% longer than the width find the cost of the carpet
1. 1 answer
2. asked by Anonymous
3. 1,314 views
name two physical properties of an object about which you can gather qualitative data
1. 6 answers
2. asked by lola
3. 1,294 views
Two walkers set off at the same time from a crossroad and walk along flat straight roads inclined to each other at 68 degrees.If
1. 1 answer
2. asked by Shane
3. 1,256 views
a towns average snowfall is 33 inches per year with a standard deviation of 11 inches. how many standard deviations from the
1. 1 answer
2. asked by marie
3. 1,240 views
1) A racing car has a mass of 1525 kg. What is its kinetic energy if it has a speed of 35 m/s?2) How much potential energy does
1. 1 answer
2. asked by Isis
3. 1,238 views
the volume of a monoatomic ideal gas doubles in an adiabatic expansion. by considering 135 moles of gas with an initial pressure
1. 1 answer
2. asked by PhyConfusion
3. 1,236 views
"Working Mom’s Journal" reported that the mean time a mother, with her small children, spends in at the convenience store is
1. 1 answer
2. asked by Nadine
3. 1,193 views
Find the concentration of Ag+ in a saturated solution of AgBrO3 that also contains 0.02M LiNO3, 0.02M KClO4 and 0.01M NaF.
1. 3 answers
2. asked by Ashley
3. 1,189 views
Two walkers set off at the same time from a crossroad and walk along flat straight roads inclined to each other at 68 degrees.If
1. 4 answers
2. asked by Shane
3. 1,176 views
Mothers Against Drunk Driving (MADD) is a very visible group whose main focus is to educate the public about the harm caused by
1. 0 answers
2. asked by cate
3. 1,175 views
where can I find thesis of women right Seneca fall convention.How did it happened? The effect? When did it start?
1. 1 answer
2. asked by maria
3. 1,171 views
1 basketball equals 20 ounces. So how many pounds do 8 basketballs weigh? please tell me how you got it!
1. 3 answers
2. asked by Adaija
3. 1,129 views
#24. A cylindrical water well is 1,200 ft. deep and 6 in. across. Find the lateral surface area of the well. Round to the
1. 1 answer
2. asked by tmouery
3. 1,128 views
describe the transformation of y=log (x-4) -12 from the graph of y=log X. 2 then state the asymptote and the domain range.
1. 1 answer
2. asked by lisa
3. 1,098 views
What volume of oxygen is consumed when 9g of water is formed when butane is burnt?
1. 0 answers
2. asked by Oliver
3. 1,094 views
A pellet gun is fired straight downward from the edge of a cliff that is 15m above the ground. The pellet strikes the ground
1. 1 answer
2. asked by Borus
3. 1,087 views
A circle is tangent to the y-axis at the point (0,2) and passes through the point (8,0). Find the radius of the circle.I tried
1. 2 answers
2. asked by Knights
3. 1,085 views
what the the economic, social and political standing of african americans in todays society
1. 2 answers
2. asked by linda
3. 1,043 views
Write a 350-word debate paper in which you discuss the benefits and drawbacks associated with group debates.
1. 1 answer
2. asked by Jamie Melching
3. 1,029 views
What property of water causes a water droplet to be shaped like a dome?Also can you please explain these words? Surface
1. 1 answer
2. asked by Jessica
3. 1,010 views
A rectangular plot, 21m by 14m, is to be turned into a rectangular flower bed with a grass border around its outside edge. The
1. 1 answer
2. asked by Josh
3. 1,005 views
The Mass Of A Minibus with The Driver is 1500 kg.the Driver Is Moving At A Speed Of 30 m.s When He Notices That The traffic
1. 1 answer
2. asked by vuyo
3. 988 views
A white billiard ball with mass mw = 1.32 kg is moving directly to the right with a speed of v = 2.91 m/s and collides
1. 2 answers
2. asked by Anonymous
3. 987 views
Do you need a facebook and/or twitter account to have a socialGO?
1. 0 answers
2. asked by Laruen
3. 980 views
Predict the population of bacteria for each situation and time period.-55 bacteria that double every hour a. after 3 hours b.
1. 1 answer
2. asked by SUPER DUPER IMPORTANT!
3. 978 views
it is 300 tvand 100 refrigerators Shipping restrictions. The accompanying graph shows all of the possibilities for the number of
1. 2 answers
2. asked by Anonymous
3. 975 views
the olympic record for the marathon is 2.00 h 9.00 min 210 s. if the average speed of a runner achieving this record is 5.436
1. 1 answer
2. asked by Anonymous
3. 970 views
Suppose. Population of test-scores is normally distributed with mean 65 and standard deviation 13 x~n (65,13) if you select a
1. 1 answer
2. asked by Alexa
3. 966 views
A company that manufactures exercise machines wanted to know the percentage of large companies that provides on-site health club
1. 1 answer
2. asked by Steven
3. 962 views
You've decided to operate a day care home. Which one of the following factors is the most important in helping you make your
1. 1 answer
2. asked by bahira
3. 949 views
2. It has been estimated that the price elasticity of demand for attending baseball games is 0.23. Other things held constant, a
1. 0 answers
2. asked by tania
3. 921 views
Name three different media systems that can be found worldwide and each country where can be found.
1. 1 answer
2. asked by Anonymous
3. 908 views
INVESTIGATE AND EXPLAIN 3 ROLES AND 3 RESPONSIBILITIES OF MEDIA
1. 1 answer
2. asked by ASANDA
3. 908 views
A wire that is 0.45 m long and carrying a current of 9.5 A is at right angles to a 0.40 T magnetic field. How strong is the
1. 2 answers
2. asked by Jeff
3. 894 views
creat a graph for the function that models the percentage of adulat height attained by a boy who is years old. then creat a
1. 1 answer
2. asked by louise
3. 883 views
A survey team is trying to estimate the height of a mountain above a level plain. From one point on the plain, they observe that
1. 2 answers
2. asked by tyler
3. 881 views
use the bronsted-lowry model to label the acid-base pairs in the following equation for the ionization of water: H20(L) + H20(L)
1. 1 answer
2. asked by Juan
3. 879 views
1. An entrepreneur is an individual who has worked for a nonprofit organization for his entire career. (Points : 1)True False 2.
1. 6 answers
2. asked by David
3. 875 views
Hello! I'm working on a lesson plan on the Sum of the Angles of a Polygon. I know the whole process involves finding how many
1. 1 answer
2. asked by yfaridi1
3. 874 views
what are the conditions of employment act applies the contravention?
1. 1 answer
2. asked by loliswa
3. 871 views
A plate carries a charge of -3.2 µC, while a rod carries a charge of +1.5 µC. How many electrons must be transferred from the
1. 0 answers
2. asked by Anonymous
3. 861 views
Evaluate \displaystyle \int_1^{10} \left(\sqrt{x} + 1\right)^3 dx - \int_1^{10} \left(\sqrt{x} - 1\right)^3 dx .
1. 1 answer
2. asked by John
3. 859 views
Types of careers
1. 1 answer
2. asked by Syabonga
3. 849 views
A boat sets off perpendicular to the bank, to cross a river width of 250m. The speed of the boat in still water is 3.20ms-1,
1. 4 answers
2. asked by Mariya
3. 831 views
There is a slide in the park that is 18 feet long. The ladder to the top of the slide is 7.5 feet long. If the ladder and the
1. 1 answer
2. asked by SARA
3. 827 views
13-a*root 10 whole root = root 8 + root 5 then a equals to ???
1. 1 answer
2. asked by tuhituhi
3. 817 views
why did john choose the room in the yellow wallpaper?
1. 3 answers
2. asked by sonia
3. 815 views
How many grams of Na2CO3 should be mixed with 50.00g of NaHCO3 to produce 2000mL of buffer with pH=10?
1. 3 answers
2. asked by Ashley
3. 814 views
If a dice has 3 on the top, right back 6, right front 2, bottom 4, left front 1, left back 5 and is rotated by +180 about the z
1. 0 answers
2. asked by PLEASE HELP
3. 809 views
Positive square root of 7+root 48 is ????
1. 1 answer
2. asked by tuhituhi
3. 802 views
can we create a unique circle with twoco-linear points
1. 1 answer
2. asked by anoynomous
3. 801 views
Martin's iPod has 24 songs on it. He wants to make a playlist consisting of three songs to dance to. Let N be the number of
1. 1 answer
2. asked by John
3. 797 views
form a polynomial whose degree and zeros are given. don't expanda) degree 3,zeros,-2,0,4 b)degree 4,zeros, -2 multiplicity 3,1
1. 1 answer
2. asked by zachary
3. 795 views
The following data were obtained from a survey of college students. The variable X represents the number of non-assigned books
1. 2 answers
2. asked by cate
3. 794 views
I have to solve this equation using substitution.3x+5y=10 2x+ 1/2y=24 This is all one problem
1. 2 answers
2. asked by Erica
3. 790 views
If the average number of textbooks is 16, the standard deviation is 5, and the average age of a professors is 43, with a
1. 1 answer
2. asked by ann
3. 786 views
A car is speeding at constant velocity of 30ms-1 in an 80kmh-1 zone as it passes a stationary police motorcycle hiding. The
1. 2 answers
2. asked by Mariya
3. 786 views
A tourist viewing Sydney Harbour from a building 180 metres above sea level observes a ferry which is 850 metres from the base
1. 2 answers
2. asked by Shane
3. 786 views
I cant figure this out! Can someone please tell me were my mistake is?? :)- a man is 3 times as old as his son. In 11 years time
1. 3 answers
2. asked by Mia
3. 782 views
What are the core business activities of anglo american,nedcor and absa
1. 2 answers
2. asked by Anikie
3. 771 views
IN KINDERGARTEN HOMEWORK IT ASK TO LAY COUNTERS AND FEW NUMBERS ARE GIVENLAY COUNTERS 5 _ 3 _ ETC WHAT DOES LAY COUNTER MEANS
1. 6 answers
2. asked by Surbhi
3. 767 views
The difference of the cubes of two consecutive odd positive integers is 400 more than the sum of their squares. Find the sum of
1. 1 answer
2. asked by nice
3. 761 views
If g(t) = 5t+1 and h(n) = 2(n - 7), what is the value of h(g(3))?
1. 1 answer
2. asked by John
3. 748 views
There are four forces in nature. Name the four forces and rank them fromstrongest to weakest.
1. 1 answer
2. asked by alex
3. 745 views
Ok, 1 football equals 13 ounces. 10 footballs would equal 130 ounces (right?). In order to find out how many pounds 10 footballs
1. 3 answers
2. asked by Adaija
3. 741 views
The world's population is growing more slowly than expected, and there are some industrial countries in which growth might be so
1. 4 answers
2. asked by David
3. 740 views
How many grams of Na3PO4 are needed to produce 250mL solution that has an Na concentration of 1.04M?
1. 1 answer
2. asked by sally
3. 740 views
Suppose that 50 identical batteries are being tested. After 8 hours of continuous use, assume that a given battery is still
1. 1 answer
2. asked by cate
3. 738 views
Chris spent 1/4 of his money to buy shirt .He spent 1/2 of remaining money to buy shorts.Given that Chris had left $56 left. How
1. 2 answers
2. asked by Sammi
3. 713 views
A 51.8 kg pole vaulter running at 11.5 m/s vaults over the bar. Her speed when she is over the bar is 1.26 m/s. Neglect air
1. 0 answers
2. asked by Anonymous
3. 700 views
A car is speeding at constant velocity of 30ms-1 in an 80kmh-1 zone as it passes a stationary police motorcycle hiding. The
1. 0 answers
2. asked by Mariya
3. 693 views
A quaint but well-established coffee shop, the Hot New Café, wants to build a new café for increased capacity. It’s expected
1. 1 answer
2. asked by Shannon
3. 691 views

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