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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. 12,911 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. 11,901 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. 4,566 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. 4,414 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. 4,363 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. 4,210 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. 3,363 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. 2,835 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. 2,807 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. 2,806 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. 2,648 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. 2,639 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. 2,512 views
Is CF4 polar or nonpolar?
1. 1 answer
2. asked by landa
3. 2,478 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. 2,274 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. 2,229 views
write a polynomial function in standard form with the given zeros. 1-2i,2
1. 3 answers
2. asked by lisa
3. 2,160 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. 2,048 views
Write two unit rates relating meters and kilometers.
1. 3 answers
2. asked by Sue
3. 1,898 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. 1,797 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. 1,651 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. 1,532 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. 1,488 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. 1,461 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. 1,436 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. 1,365 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. 1,358 views
solve each equation 1) log5-log2x=1 2) 2log(x+1)=5
1. 2 answers
2. asked by lisa
3. 1,323 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. 1,322 views
name two physical properties of an object about which you can gather qualitative data
1. 6 answers
2. asked by lola
3. 1,306 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. 1,267 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. 1,254 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. 1,247 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. 1,246 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. 1,203 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. 1,200 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. 1,188 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. 1,187 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. 1,178 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. 1,137 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. 1,137 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. 1,108 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. 1,102 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. 1,100 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. 1,095 views
what the the economic, social and political standing of african americans in todays society
1. 2 answers
2. asked by linda
3. 1,051 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. 1,041 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. 1,026 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. 1,016 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. 1,000 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. 997 views
Do you need a facebook and/or twitter account to have a socialGO?
1. 0 answers
2. asked by Laruen
3. 989 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. 986 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. 985 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. 981 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. 978 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. 970 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. 959 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. 930 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. 916 views
INVESTIGATE AND EXPLAIN 3 ROLES AND 3 RESPONSIBILITIES OF MEDIA
1. 1 answer
2. asked by ASANDA
3. 916 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. 904 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. 892 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. 891 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. 888 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. 886 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. 883 views
what are the conditions of employment act applies the contravention?
1. 1 answer
2. asked by loliswa
3. 879 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. 871 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. 867 views
Types of careers
1. 1 answer
2. asked by Syabonga
3. 858 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. 842 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. 835 views
13-a*root 10 whole root = root 8 + root 5 then a equals to ???
1. 1 answer
2. asked by tuhituhi
3. 824 views
why did john choose the room in the yellow wallpaper?
1. 3 answers
2. asked by sonia
3. 823 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. 821 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. 821 views
Positive square root of 7+root 48 is ????
1. 1 answer
2. asked by tuhituhi
3. 807 views
can we create a unique circle with twoco-linear points
1. 1 answer
2. asked by anoynomous
3. 806 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. 805 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. 804 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. 804 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. 802 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. 799 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. 797 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. 796 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. 791 views
What are the core business activities of anglo american,nedcor and absa
1. 2 answers
2. asked by Anikie
3. 784 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. 779 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. 777 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. 756 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. 754 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. 750 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. 750 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. 749 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. 749 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. 722 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. 708 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. 706 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. 705 views

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