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Questions Asked on March 9, 2013

Phosphoric acid, H3PO4(aq), is a triprotic acid, meaning that one molecule of the acid has three acidic protons. Estimate the
1. 6 answers
2. asked by Paula
3. 10,221 views
2.Find the outlier in the data set and tell how it affects the mean. 4, 4, –6, –2, 14, 1, 1 (1 point) –6; it raises the
1. 23 answers
2. asked by Delilah
3. 8,126 views
A 0.464 gram sample of a metal, M, reacts completely with sulfuric acid according to:M(s) +H2SO4(aq)=MSO4(aq)+H2(g) A volume of
1. 3 answers
2. asked by Raul
3. 6,239 views
At a hockey game, a vender sold a combined total of 192 sodas and hot dogs. The number of sodas sold was two times the number of
1. 2 answers
2. asked by Anonymous
3. 5,853 views
2.In a school of 464 students, 89 students are in the band, 215 students are on sports teams, and 31 students participate in
1. 27 answers
2. asked by Delilah
3. 5,779 views
You've taken your neighbor's young child to the carnival to ride the rides. She wants to ride The Rocket. Eight rocket-shaped
1. 3 answers
2. asked by Anonymous
3. 5,233 views
1.) Two people of the same mass climb the same flight of stairs. The first person climbs the stairs in 25 s; the second person
1. 5 answers
2. asked by Isis
3. 4,370 views
At a certain temperature, 0.900 mol of SO3 is placed in a 2.00-L container.2SO3(g)<--> 2SO2(g)+O2(g) At equilibrium, 0.130 mol
1. 5 answers
2. asked by Laura
3. 4,359 views
A toy train rolls around a horizontal 1.0-{\rm m}-diameter track. The coefficient of rolling friction is 0.15. What is the
1. 2 answers
2. asked by Anonymous
3. 4,030 views
Power companies typically bill customers based on the number of kilowatt-hours used during a single billing period. A kilowatt
1. 2 answers
2. asked by HELLO
3. 3,504 views
At 25 oC, Kc = 0.145 for the following reaction in the solvent CCl4.2BrCl <----> Br2 + Cl2 A solution was prepared with the
1. 2 answers
2. asked by Peter
3. 3,318 views
Julia studied math 3 1/3 hours during the 4 days before her last test. what was the average amount of time she studied each day
1. 3 answers
2. asked by Sylvia
3. 3,169 views
Find the slope m and an equation of the tangent line to the graph of the function f at the specified point.f(x)=x^2/x+4 ;(1,1/5)
1. 1 answer
2. asked by kim
3. 2,589 views
5. Bert is planning to open a savings account that earns 1.6% simple interest yearly. He wants to earn exactly $192 in interest
1. 6 answers
2. asked by jay
3. 2,393 views
At a certain temperature, the equilibrium constant, Kc, for this reaction is 53.3.H2(g)+I2(g) <--> 2HI(g) Kc= 53.3 At this
1. 1 answer
2. asked by Lisa
3. 2,233 views
Four masses are arranged as shown. They are connected by rigid, massless rods of lengths 0.50 m and d = 0.73 m. What torque must
1. 1 answer
2. asked by crixus
3. 2,177 views
Consider only the discriminant, b2 - 4ac, to determine whether one real-number solution, two different real-number solutions, or
1. 2 answers
2. asked by Sally
3. 2,125 views
Which of the following factors contributes to the importance of teacher aides in schools today?a A decrease in the population b
1. 10 answers
2. asked by Jr
3. 2,039 views
line BC is tangent to circle A at B and to circle D at C (not drawn to scale) AB=11, BC=23,and DC=2. find AD to the nearest
1. 1 answer
2. asked by Rose
3. 1,931 views
A 71.1 kg man steps out a window and falls (from rest) 1.24 m to a sidewalk. What is his speed just before his feet strike the
1. 1 answer
2. asked by Anonymous
3. 1,930 views
Phosphorus pentachloride decomposes according to the chemical equation:PCl5(g)<--> PCl3(g)+Cl2(g) Kc = 1.80 at 250 degrees
1. 3 answers
2. asked by Laura
3. 1,574 views
Write a program that accepts a person’s weight and displays the number of calories the personneeds in one day. A person needs
1. 1 answer
2. asked by kchik
3. 1,564 views
Fluorine gas can react with ammonia gas to produce dinitrogen tetrafluoride gas and hydrogen fluoride gas. This reaction is
1. 1 answer
2. asked by Anna
3. 1,471 views
Use the Euler Method with a step size of 0.2 to estimate f(3) where f′(x)=2x−7 and f(2)=4.Your answer should be correct to
1. 5 answers
2. asked by lisa
3. 1,341 views
The sum of two numbers is 57 and the difference is 23 . What are the numbers?
1. 2 answers
2. asked by Anonymous
3. 1,257 views
NH3 is a weak base (Kb = 1.8 × 10–5) and so the salt NH4Cl acts as a weak acid. What is the pH of a solution that is 0.050 M
1. 2 answers
2. asked by Jefferson
3. 1,251 views
Rewrite the relation as a function of x4y+cubed root^x=(x-2)^2
1. 1 answer
2. asked by Cymi
3. 1,232 views
In the following questions would you use who or whom. Our grandfather,( )is now 65, competed on thh gymnastics team. No one (
1. 3 answers
2. asked by jase
3. 1,151 views
1 term question1 if object a exerts a force on onject b,object b exerts an equal force on object a,but in the opposite direction
1. 1 answer
2. asked by Given
3. 1,148 views
Is there any websites for teens to read short stories (or long), then you answer ONLY multiple choice questions, grade you, and
1. 2 answers
2. asked by Laruen
3. 1,124 views
1 term question1 if object a exerts a force on onject b,object b exerts an equal force on object a,but in the opposite direction
1. 1 answer
2. asked by Given
3. 1,116 views
Updraft Systems, Inc., makes paragliders for sale through specialty sporting goods stores. The company has a standard paraglider
1. 0 answers
2. asked by Anton
3. 1,078 views
A plane flys 425 miles with the wind and 350 miles against the wind in the same length of time if the speed of the wind is 15
1. 1 answer
2. asked by Brandon
3. 1,017 views
KHC4H4O6(s)<-> K+ (aq)+ HC4H4O6-(aq)1) If the above reversible were started with only solid potassium hygrpden tartrate, which
1. 4 answers
2. asked by Can someone check this for me really quick
3. 1,010 views
Jane made a down payment of 1500 dollars toward the purchase of a car. To pay the balance of the purchase price, she has secured
1. 1 answer
2. asked by Camille
3. 983 views
I don't understand how to do this problem because i don't see a precipitate. If you could show your work on the problem that
1. 1 answer
2. asked by Agnes
3. 975 views
ABCDE is a regular pentagon. FAD is an equilateral triangle, such that points F and E are on the same side of line AD. What is
1. 0 answers
2. asked by John
3. 943 views
Please help me to write a short narrative story based on non-traditional hero.
1. 3 answers
2. asked by Jeconiah
3. 938 views
A roller-coaster car has a mass of 1100 kg when fully loaded with passengers. As the car passes over the top of a circular hill
1. 1 answer
2. asked by physics
3. 923 views
3-(3y-2x)/(2)=2x+6 Rewrite in slope-intercept form
1. 1 answer
2. asked by Shelvia
3. 910 views
calculate [H^+] and the pH of 0.025M of HNO3
1. 1 answer
2. asked by holly
3. 909 views
Find the minimum and maximum values of the function f(x)= 2/3 sin pix on the interval [1,2] (domain).I got (1.5, -2/3) as the
1. 4 answers
2. asked by Mary
3. 901 views
Let f(x)=e^(x2). By the Mean Value Theorem, there exists a point c such thatf′(c)=f(6)−f(4)6−4 with c between 4 and 6.
1. 1 answer
2. asked by lisa
3. 884 views
Which of these scenarios best describes a nuclear family?A) Jeremiah is growing up within a cluster of adults and children who
1. 9 answers
2. asked by ray
3. 881 views
In procedure B2, you will titrate a saturated solution to find out how much of the anion dissolved. Assume you we're able to
1. 2 answers
2. asked by K
3. 878 views
At a football game, a vender sold a combined total 210 of sodas and hot dogs. The number of sodas sold was 44 more than the
1. 1 answer
2. asked by lisa
3. 847 views
A 50.7 kg student climbs a 6.35 m long rope and stops at the top. What must her average speed be in order to match the power
1. 1 answer
2. asked by Anonymous
3. 846 views
A line with slope 6 bisects the area of a unit square with vertices (1,0), (0,0) , (1,1), and (0,1). What is the y-intercept of
1. 3 answers
2. asked by Knights
3. 844 views
(Bond valuation) Eagle Ventures has a bond issue outstanding with an annual coupon rate of 7 percent and 4 years remaining until
1. 1 answer
2. asked by valerie
3. 840 views
In a 1.0× 10–4 M solution of HClO(aq), identify the relative molar amounts of these species. (most to least)H2O HClO H3O OH-
1. 1 answer
2. asked by Paula
3. 832 views
Subtract(5a^3+3 b^3)-(2a^2b-4ab^2+3b^3+5a^3)=
1. 1 answer
2. asked by Crystal
3. 826 views
A 71.1 kg man steps out a window and falls (from rest) 1.24 m to a sidewalk. What is his speed just before his feet strike the
1. 1 answer
2. asked by Anonymous
3. 815 views
At 25 oC, Kc = 0.145 for the following reaction in the solvent CCl4.2BrCl <----> Br2 + Cl2 A solution was prepared with the
1. 0 answers
2. asked by Peter
3. 813 views
which of the followng is a rational numbera.2 square root 3 b. 2 pie c.3.14444 d.0.123456 how do you figure this out explanation
1. 2 answers
2. asked by Anonymous
3. 813 views
when a diorite partially melts, which element(1)............ decreases in the melt as a(2).......... magma forms.I have few
1. 1 answer
2. asked by john
3. 786 views
A stationary bomb of 10kg mass explodes into 3 fragments. two of these parts having mass 4kg and 2kg,fly apart perpendicular to
1. 1 answer
2. asked by Kinjal
3. 769 views
The density of ice is 917 kg/m3, and the density of sea water is 1025 kg/m3. As shown is the figure, a polar bear climbs onto a
1. 1 answer
2. asked by Chris
3. 758 views
Terrier News Situation: Terrier News is a monthly newsletter devoted to various breeds of terriers and topivs of interest to
1. 1 answer
2. asked by cindy
3. 741 views
Application Giovanni is flying his Cessna airplane on a heading as shown. His instrument panel shows an air speed of 130 mi/h.
1. 1 answer
2. asked by y
3. 740 views
Albert Einstein, a world-famous mathematician was born in Bavaria in 1879. Correct the following section with commas or no
1. 2 answers
2. asked by Cassie
3. 725 views
A building lot in a city is shaped as a 30° -60° -90° triangle. The side opposite the 30° angle measures 41 feet.a. Find the
1. 0 answers
2. asked by allison
3. 703 views
which equation represents a line with slope -2 and passes through(-1,5)?how do you do this?
1. 2 answers
2. asked by Anonymous
3. 700 views
A backpacking team is hiking At an average speed of 2 1/2 miles per hour. At that rate, how long will it take for a hike of 8
1. 1 answer
2. asked by Michelle
3. 680 views
A stationary bomb of 10kg mass explodes into 3 fragments. two of these parts having mass 4kg and 2kg,fly apart perpendicular to
1. 0 answers
2. asked by Kinjal
3. 678 views
A traffic light is suspended midway across a 60 meter wide street by a cable that is attached to vertical poles on either side
1. 2 answers
2. asked by Eduardo
3. 655 views
4. Identify the appositive phrase in the following sentence.Mrs. Talavera, an eighth grade teacher at Rosewood Middle School,
1. 3 answers
2. asked by Cassie
3. 646 views
name of the following compound:ch2-ch3 / ch3-ch2-ch-ch2-ch2-ch=ch-ch3
1. 0 answers
2. asked by erick
3. 645 views
Last semester, a certain professor gave 11 As out of 226 grades. If one of the professor's students from last semester were
1. 2 answers
2. asked by Anonymous
3. 640 views
The cost of driving a car includes both fixed ans mileage costs. Assume that it costs $152.20 per month for insurance and car
1. 2 answers
2. asked by Ruth
3. 640 views
During the support phase of walking the absolute angle of the thigh has the following angular velocities frame 38 0.6167s
1. 2 answers
2. asked by Vanitha
3. 639 views
Parking in a student parking lot costs 2.00 for the first half hour and $1.75 for each hour thereafter. A partial hour is
1. 3 answers
2. asked by Ruth
3. 631 views
Find the largest real number x for which there exists a real number y such that x^2+y^2 = 2x+2y .I think it is a circle, but how
1. 3 answers
2. asked by Knights
3. 629 views
To educate others about his (23) theories Einstein held some teaching positions.Correct this part of the sentence below theories
1. 5 answers
2. asked by Cassie
3. 624 views
Which sentence contains a prepositional phrase?A.The grasshopper jumped high. B.The criminal held up the gas station. C.The
1. 2 answers
2. asked by Cassie
3. 611 views
A reaction rate doubles when the temperature increases from 0 degrees Celsius to 10 degrees Celsius, maintaining everything else
1. 1 answer
2. asked by Walter
3. 608 views
A reaction rate doubles when the temperature increases from 0 degrees Celsius to 10 degrees Celsius, maintaining everything else
1. 2 answers
2. asked by Walter
3. 608 views
Richard borrowed 170000 dollars from his bank to help finance the purchase of a house. The bank charges interest a rate of 8.9
1. 1 answer
2. asked by Lee
3. 608 views
In 15 line critically discuss 5 way which the human problem impact on the community for teenage pregnancy
1. 1 answer
2. asked by Rose
3. 606 views
I don't understand how to do this problem because i don't see a precipitate. If you could show your work on the problem that
1. 1 answer
2. asked by Agnes
3. 605 views
What evidence from the article best supports the article’s main idea: that middle school students should concentrate on a few
1. 2 answers
2. asked by Cassie
3. 596 views
How many electrons in a cesium atom can have the quantum numbers of n = 3 and ml = -1
1. 1 answer
2. asked by patrick
3. 584 views
These positions were in (24) Switzerland Prague and Germany.Correct this portion of the sentence Switzerland Prague Switzerland,
1. 2 answers
2. asked by Cassie
3. 582 views
a boat crosses a 2 km wide river by starting out at the south shore and heading directly for the north shore if the river flows
1. 2 answers
2. asked by Eduardo
3. 574 views
He became famous for his theories of (22) relativity and won the 1921 Nobel Prize for physics.relativity and won A.relativity,
1. 2 answers
2. asked by Cassie
3. 571 views
the molar mass of NaOH is 40g/mol, how many grams ofNaOH are required to yield 0.65 mol?
1. 2 answers
2. asked by Lina
3. 570 views
1 term question1 if object a exerts a force on onject b,object b exerts an equal force on object a,but in the opposite direction
1. 1 answer
2. asked by Given
3. 565 views
You should mark the blank in the smile emoticon column if you like the activity. If you don't like an activity, you should check
1. 1 answer
2. asked by rfvv
3. 565 views
Calculate the indefinite integral:∫(4x-3/x)dx
1. 1 answer
2. asked by rick5555
3. 562 views
Sum the first two odd numbers, then the first three, the first four, and so on. From these observations could you guess the sum
1. 7 answers
2. asked by Dawn
3. 557 views
The outstanding balance on Bill's credit card account is 3690 dollars. The bank issuing the credit card is charging 21 percent
1. 2 answers
2. asked by Lee
3. 551 views
A hammer thrower is trying a new throw by adjusting the arm length to increase angular velocity technique1 angular velocity
1. 0 answers
2. asked by Vanitha
3. 529 views
Jane weighs 150 lbs and bob weighs 220 , they try skydiving , if they jump at the same time , who reach the ground first /
1. 0 answers
2. asked by Jeva
3. 523 views
1 term question1 if object a exerts a force on onject b,object b exerts an equal force on object a,but in the opposite direction
1. 1 answer
2. asked by Given
3. 522 views
Einsteins famous formula E=mc^2 relates energy E,mass m and the speed of light c. solve the formula for c.
1. 1 answer
2. asked by lisa
3. 522 views
A common characteristics of regional educational agencies is that theya don't hire aides b provide many services that individual
1. 1 answer
2. asked by Missy
3. 513 views
Which sentence contains a prepositional phrase?A.The grasshopper jumped high. B.The criminal held up the gas station. C.The
1. 3 answers
2. asked by Cassie
3. 513 views
all but one of the following statement about the melting and crystallization of magmas is correct.identify the one statement
1. 0 answers
2. asked by centya
3. 512 views
Use a linear approximation of f(x)=log(x) at x=1 to approximate log(3/4).Express your answer as an exact fraction; remember that
1. 2 answers
2. asked by lisa
3. 511 views
an art school knows that in general they go through 38 colored pencils per week. they have asked their students to hold their
1. 2 answers
2. asked by kim
3. 506 views
find values for a, b, and c so that the function f(x) = x^3 + ax^2 + bx+ chas a critical point at (1,5) and an inflection point
1. 1 answer
2. asked by Mary
3. 506 views

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