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2012
February

Questions Asked on February 6, 2012

Balance the following chemical equation:C3H7OH(l) + O2(g) CO2(g) + H2O(g)
1. 2 answers
2. asked by love
3. 7,424 views
A block with mass m =7.3 kg is hung from a vertical spring. When the mass hangs in equilibrium, the spring stretches x = 0.21 m.
1. 7 answers
2. asked by Chad
3. 6,056 views
A ball is dropped from a high building. Using the approximate value of g = 10 m/s2, find the change in velocity between the
1. 3 answers
2. asked by Anonymous
3. 5,677 views
t varies directly as the square root of l. If l=81, then t=10 what is the constant proportion?1. a is directly proportional to
1. 1 answer
2. asked by Anonymous
3. 3,811 views
Helium gas is added to a ballon already partially filled with helium gas the balloon inflated because the
1. 4 answers
2. asked by Star
3. 3,741 views
A scale model of a house is 1 foot long. The actual house is 50 feet long. In the model, the window is 1 1/5 inches high. How
1. 6 answers
2. asked by John
3. 3,671 views
what convention in the alphabetic index tells you to look elsewhere before assigning a code? a. abbreviation b.note c.summary
1. 3 answers
2. asked by gt
3. 3,492 views
Angle A and Angle B are complementary andgles and the m Angle A = 58 degrees, what is he measure of the supplement of Angle B.Th
1. 2 answers
2. asked by Monique
3. 3,411 views
Calculate the mL of 2.00 M H2SO4 required to neutralize 50.0 mL of 1.00 M KOH?consider that H2SO4 has two acidic hydoregens
1. 1 answer
2. asked by April
3. 3,383 views
The speaker in “I, Too, Sing America” survives adversity because he feelsfaith that he will one day be affirmed by white
1. 3 answers
2. asked by Sara
3. 3,073 views
What is the quotient if the dividend is 1/2 & the divisor is 1/8?
1. 3 answers
2. asked by shawn
3. 3,027 views
Which of the following statements describes the most serious , long term , environmental damage produced by oil spills in the
1. 3 answers
2. asked by Star
3. 3,015 views
Indicate which of the following quantum numbers are unacceptable:(a)(1,2,0,1/2) (b) (3,2,0,1/2) (c)(3,2,2,1) (d) (4,3,2,-1/2)
1. 1 answer
2. asked by earl
3. 2,714 views
tan3x=(3tanx-tan^3x)/(1-3tan^2x)
1. 1 answer
2. asked by Mayna
3. 2,707 views
Which of the following atom pairs would most likely be connected by an ionic bond?K and Br S and Br O and Br F and Br
1. 1 answer
2. asked by krystal
3. 2,548 views
A med tech student pushes a 30-kg carton of books across the floor of her dormitory by exerting a constant force of 185 N at an
1. 1 answer
2. asked by Paul
3. 2,473 views
write three sentences describing life in the desert. use the past tense of at least two irregular verbs.
1. 6 answers
2. asked by dw
3. 2,278 views
A plane is flying due south at a speed of 300 mph. The wind is blowing from the west at a speed of 40 mph. Find the resultant
1. 2 answers
2. asked by Lezah
3. 2,074 views
Cos(pi/12) solve using half angle formula
1. 1 answer
2. asked by Abbey
3. 2,062 views
In a large building, oil is used in a steam boiler heating system. The combustion of 1.0 pound of oil provides 2.4*10^7 J.How
1. 2 answers
2. asked by Steve
3. 2,017 views
what is the pH of coffee if the [H3O+] is 1*10^-5 M?
1. 1 answer
2. asked by April
3. 1,921 views
give the total number of protons and electrons in each atomCr2+ 24 protons 22 electrons Cr3+ 24 protons 21 electrons Ni3+ 28
1. 1 answer
2. asked by kr
3. 1,896 views
A train at a constant 41.0 km/h moves east for 38 min, then in a direction 44.0° east of due north for 25.0 min, and then west
1. 2 answers
2. asked by T mann
3. 1,867 views
Write the formula of the ionic compound that forms betweena. copper(I) ions and chloride ions---CuCl b. copper(II) ions and
1. 1 answer
2. asked by krystal
3. 1,860 views
A man has 340 yards of fencing for enclosing two separate fields, one of which is to be a rectangle twice as long as it is wide,
1. 1 answer
2. asked by Amy
3. 1,857 views
A child in danger of drowning in a river is being carried downstream by a current that has a speed of 2.35 km/hr. The child is
1. 1 answer
2. asked by Hoss
3. 1,783 views
an equivalent representation of the definite integral of 3 to 1 2xcos(x^2)dx is
1. 1 answer
2. asked by illy
3. 1,714 views
a loan of 4000 was repaid at the end of 10 months with a check for 4270. what annual rate of intreste was charged.
1. 2 answers
2. asked by Gracy
3. 1,656 views
In terms of x, write expressions for the length, width, height, and volume of the boxes created in the activity.I just need an
1. 1 answer
2. asked by Lauren
3. 1,648 views
If you burn 38.9 g of hydrogen and produce 348 g of water, how much oxygen is reacted?
1. 2 answers
2. asked by Melanie
3. 1,619 views
All wedges of a cube are expanding at a rate of 6 cm/sec .How fast is the surface area changing when each edge is (a) 2 cm and
1. 1 answer
2. asked by sthevanie
3. 1,548 views
Let f(x)= √1-sinx)(a.) What is the domain of x? (b.) Write an equation for the tangent line to the graph of f at x=0. I mostly
1. 1 answer
2. asked by Amy
3. 1,516 views
Explain how geography played an important role in the rise of Roman civilizations.Describe how the Roman's created a republic
1. 5 answers
2. asked by kathy
3. 1,483 views
Thank you!!Could you check the things I wrote on the different kinds of narrator. (I still need to include the non-omniscient
1. 1 answer
2. asked by Henry2
3. 1,407 views
An open tube of length L = 1.60 m and cross-sectional area A = 4.60 cm2 is fixed to the top of a cylindrical barrel of diameter
1. 3 answers
2. asked by Emily
3. 1,374 views
write sentence about desert animals. use each given word in the past tense.they give word find, think, run, go, take my son
1. 5 answers
2. asked by dk
3. 1,358 views
Can you help me please?List at least three ways in which insects can help humans? 1. Bees can help by the honey they make. it
1. 2 answers
2. asked by Reed
3. 1,351 views
Sophie bought 23 cans of cat food for x dollars. Write an expression to show the cost of one can of cat food
1. 1 answer
2. asked by malina
3. 1,285 views
A rock is thrown down with an initial speed of 10.0 m/s from a bridge to the water below. It takes 2.75 s for the rock to hit
1. 2 answers
2. asked by nanna
3. 1,272 views
A woman has a total of $9,000 to invest. She invests part of the money in an account that pays 5% per year and the rest in an
1. 1 answer
2. asked by sally
3. 1,261 views
An airplane left chicago O'Hare airport at 9:50 AM and arrived at Detroit,Michigan at 11:45 A.M.How long did the trip take?
1. 2 answers
2. asked by fani
3. 1,249 views
How many grams of magnesium metal are produced by the decomposition of 19 grams of magnesium chloride?
1. 1 answer
2. asked by nate
3. 1,220 views
1. What large desert in Africa is almost as big as the forty- eight contiguous states in the United States? The Sahara Desert2.
1. 1 answer
2. asked by Reed
3. 1,190 views
Plot the points (2,4), (-1,4) and (2,1) and connect them to form a triangle. What rule would you use to translate the triangle 5
1. 1 answer
2. asked by Anonymous
3. 1,163 views
An -particle has a charge of +2e and a mass of 6.64 10-27 kg. It is accelerated from rest through a potential difference that
1. 0 answers
2. asked by DCM
3. 1,143 views
Sum of two numbers is 95. one number exceeds the other by 15,find the number?
1. 3 answers
2. asked by Anonymous
3. 1,141 views
To be eligible for the Marital Deduction, the property must pass "__________."A. eventually B. indirectly C. outright D. quickly
1. 0 answers
2. asked by andy
3. 1,120 views
A projectile is launched with an initial velocity of 25 m/s at a launch angle of 36degrees. What is the magnitude of the
1. 1 answer
2. asked by Cody
3. 1,102 views
The following data were obtained at 25° C for the reactionC2H5Br + OH- ->C2H5OH + Br- Determine the rate law for the reaction
1. 1 answer
2. asked by Lalit
3. 1,101 views
A ladder is leaning against the wall of a house.The base of the ladder is pulled away from the wall at a rate of 2ft/sec (b)
1. 1 answer
2. asked by stheva
3. 1,093 views
The clothing stor had a sale for 75% off most of its shoes.Malik selected a pair of shoes that regulary sell for 80. What is the
1. 1 answer
2. asked by Nora
3. 1,092 views
A meal is 8000kJ. If all the energy is converted to heat, how much iced water with a temperature of 0 degrees must a person
1. 1 answer
2. asked by Cole
3. 1,083 views
A farmer wishes to plant 6 trees in 4 rows so that each row contains 3 trees. How can this be done?
1. 2 answers
2. asked by Angela
3. 1,081 views
write a balanced chemical reaction representing the combustion of hexane?C6H14
1. 1 answer
2. asked by April
3. 1,064 views
My problem is to graph a system of inequalities (which ive done) and introduce slack variables to convert the system of
1. 1 answer
2. asked by JUGRNOT
3. 1,058 views
How has the treatment and handling of victims by the criminal justice system changed over time?
1. 0 answers
2. asked by sharday
3. 1,047 views
iF MAN RUNS AN HOUR AND A HALF AT 8 MILES AN HOUR DUE SOUTH, AND THEN HE CONTINUES SOUTH ON A BUS TRAVELING AT 55 MILES AN HOUR
1. 2 answers
2. asked by JAN
3. 1,042 views
1 statement 2 is false2 statement 3 is false 3 statement 4 is false 4 statement 1 is false four statments are given above. how
1. 1 answer
2. asked by Anonymous
3. 1,041 views
In a recent survey of 100 women, the following information was gathered.30 use shampoo A. 43 use shampoo B. 33 use shampoo C. 13
1. 1 answer
2. asked by Anonymous
3. 1,018 views
Annual interest of 6.0% paid if balance exceeds $900, $12 monthly fee if account falls below minimum balance, average monthly
1. 0 answers
2. asked by Kendra
3. 1,000 views
The 3rd and 12th terms of an arithmetic progression are 12 and -24 respectively. What is the 50th term?
1. 2 answers
2. asked by Lerantia
3. 1,000 views
tan theta= square root of 3 / 3 if o degrees is less than or equal to theta less than o equal to 360
1. 1 answer
2. asked by Dillon
3. 991 views
In a water balloon toss a contestant throws her balloon with a speed of 4.84 m/s at an angle of 16.5 degrees above the
1. 1 answer
2. asked by becky
3. 982 views
Which of these structural adaptations would most help a nocturnal animal living in the forest?A.smaller eyes B.longer hind legs
1. 0 answers
2. asked by Andrew
3. 975 views
I have data for titration of a strong base against a strong acid when I added volumes of NaOH 1 mL at a time to 50.00 mL of HCl
1. 1 answer
2. asked by marla
3. 962 views
What are some of the arguments in favor of and against victim involvement in the criminal justice system?
1. 0 answers
2. asked by sharday
3. 953 views
Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state
1. 1 answer
2. asked by Shirley
3. 947 views
Compare Lamarck's explantion of evolution with Darwin's theory.My Answer - After scientist collected large amounts of data on
1. 7 answers
2. asked by Laruen
3. 945 views
I left out the following statements. Could you please check them? Thak you..1) A third-person narrator can tell the story as an
1. 1 answer
2. asked by Henry2
3. 941 views
A steam iron draws 5.0 A when connected toa potential difference of 122 V. a) What is the power rating of this iron? Answer in
1. 1 answer
2. asked by Anonymous
3. 940 views
Find the volume of the frustrum of the rightcircular cone generated by rotating the line y=x+1 about the x-axis between x = 0
1. 1 answer
2. asked by livelaughlx3ve
3. 938 views
Suppose you believe that the economy is just entering a recession. Your firm must raise capital immediately, and debt will be
1. 1 answer
2. asked by Chantel
3. 920 views
You pick up a board of length 2.60 m and mass 13.00 kg. To do this, you exert a force upward with your left hand a distance
1. 1 answer
2. asked by Dan
3. 920 views
A bar of pure nickel is coupled with a bar of pure iron (interfaced). The diffusion couple is then heated to a temperature of
1. 0 answers
2. asked by Bob
3. 920 views
A triangle is such that the largest angle is 11 times the smallest angle. The third angle is 27° less than the largest angle.
1. 1 answer
2. asked by sally
3. 919 views
Carmen Santiago works for a number of businesses as a“consultant.” She has helped design accounting systems, provided
1. 6 answers
2. asked by Brianna
3. 913 views
A 55.0-g piece of ice at 0.0 is added to a sample of water at 8.0. All of the ice melts and the temperature of the water
1. 1 answer
2. asked by Steve
3. 904 views
A researcher predicts that watching a film on institutionalization will change students’ attitudes about chronically mentally
1. 2 answers
2. asked by Patience
3. 875 views
Find all solutions to the equation in the interval [0,2pi)Cosx-cos2x
1. 2 answers
2. asked by Abbey
3. 856 views
For a 5.0 g sample of CoCl3·9H2O, what weight of water (in grams) will be lost if the sample is heated to constant weight (all
1. 1 answer
2. asked by Allie
3. 855 views
Magnesium hydroxide + hydrogen chloride-----> magnesium chloride + waterHow many grams of magnesium chloride can be produced
1. 1 answer
2. asked by danielle
3. 840 views
At serve, a tennis player aims to hit the ball horizontally. What minimum speed is required for the ball to clear the 0.91 m
1. 1 answer
2. asked by Andy
3. 828 views
find the smallest rectangular area of wrapping paper that can be used to wrap a present that is 22 inches by 20 inches by 10
1. 1 answer
2. asked by Anonymous
3. 828 views
what were the results of the religious upheaval in Europe during the 1500s? How was the church affected?Thanks -MC
1. 4 answers
2. asked by mysterychicken
3. 812 views
¿Qué comiste la semana pasada?Yo comí tacos. Did I answer these correctly? I'm not sure ¿Qué estudiaron ellos la semana
1. 3 answers
2. asked by Victor C.
3. 812 views
Integrate [sinx/(1+cos^2(x))] from pi/2 to pi.
1. 0 answers
2. asked by Katy
3. 807 views
n outer space, far from other objects, block 1of mass 40 kg is at position (7,9,0) and block 2 of mass 1000 kg is at position
1. 0 answers
2. asked by mo
3. 807 views
A river is flowing 4.0 m/s to the east. A boater on the south shore plans to reach a dock on the north shore 30.0 Degrees
1. 1 answer
2. asked by Kaitlyn
3. 792 views
A ball is tossed from an upper-story window of a building. The ball is given an initial velocity of 8.15 m/s at an angle of
1. 1 answer
2. asked by Lance
3. 778 views
An enemy ship is on the western side of a mountain island. The enemy ship can maneuver to within 2520 m of the 1850 m high
1. 0 answers
2. asked by Jenny
3. 775 views
A wooden plank is inclined at and angle of 23 degrees above the horizontal. A 2.0 kg box attached to a rope is is pulled up the
1. 1 answer
2. asked by Eunice
3. 767 views
Half reaction E0,(v)Ni2+(aq) + 2e-  Ni(s) -0.23 Co2+(aq) + 2e-  Co(s) -0.28 Fe2+(aq) + 2e-  Fe(s) -0.41 Cr3+(aq) + 3e-
1. 1 answer
2. asked by neetu
3. 732 views
In 91% (by volume) isopropyl alcohol (a large [compared to water], flammable molecule) solution, there are only two substances:
1. 0 answers
2. asked by edward
3. 732 views
Use the Library and other resources to write a "work-from-home" policy manual for an insurance company, educational institution,
1. 0 answers
2. asked by shutera
3. 728 views
The coordinates of triangle ABC areA(0,0), B(2,6), and C(4,2). Using coordinates geometry; prove that, if the midpoints of sides
1. 1 answer
2. asked by Sindy
3. 721 views
A plumber charges $40 per hour for labor with a minimum labor charge of $30. For example, if shedoes her repairs in only 0.2
1. 1 answer
2. asked by Maddie
3. 716 views
Writeacher, thank you very much for all your explanations!!I think the part of the integration of the project into the students'
1. 1 answer
2. asked by Henry2
3. 713 views
An angle is 35 degrees more than 4 times its supplementary angle. Find the measures of the two angles.
1. 1 answer
2. asked by Tim
3. 710 views
Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state
1. 1 answer
2. asked by Shirley
3. 709 views
Please checkEn mi dormitorio, hay una cama cómodo con una manta azul y marrón claro.This is suppose to say in my bedroom,
1. 4 answers
2. asked by Terry
3. 707 views

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