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2012
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Questions Asked on February 5, 2012

A ladder 15 feet long is leaning against a building so that end X is on level ground and end Y is on the wall. Point 0 is where
1. 4 answers
2. asked by Amy
3. 7,770 views
The heat of vaporization of benzene, C6H6, is 30.8kJ/mol at its boiling point of 80.1 degrees celsius. How much energy in the
1. 4 answers
2. asked by Hannah
3. 7,432 views
Write an equation of the line containing the given point and parallel to the given line. (6,-7):9x-8y=3 The equation of the line
1. 4 answers
2. asked by Kristi
3. 5,727 views
A company employs six people and plans to select a group of two of these employees to receive advanced training. How many ways
1. 1 answer
2. asked by leigh
3. 5,673 views
WRITE THE NUMBER 99 AS A PRODUCT OF PRIME FACTORS
1. 4 answers
2. asked by KRISSY
3. 4,566 views
At a certain temperature, the solubility of N_2 gas in water at 2.38 atm is 56.0 mg of N_2 gas/100 g of water. Calculate the
1. 2 answers
2. asked by Becca
3. 3,493 views
Find the value of delta H net for the following equation:SnBr2(s) + TiCl4(l) -> TiBr2(s) + SnCl4(l) Use the following reactions
1. 2 answers
2. asked by Hannah
3. 3,410 views
find tangent line to the circle x^2 + y^2=100 at point (-6,8)
1. 1 answer
2. asked by Declan
3. 3,381 views
A hot-air balloon rises from the ground with a velocity of (2.00 m/s)y. A champagne bottle is opened to celebrate takeoff,
1. 1 answer
2. asked by Jan
3. 2,665 views
An airplane flew 1000km in 4h. What was the airplanes speed?
1. 2 answers
2. asked by Brionna
3. 2,626 views
Winnebagel Corp. currently sells 33,000 motor homes per year at $49,500 each, and 13,200 luxury motor coaches per year at
1. 3 answers
2. asked by William
3. 2,476 views
A 0.100 mK2SO4 solution has a freezing point of -0.43°C. What is the van't Hoff factor for this solution? Kf = 1.86°C/m
1. 1 answer
2. asked by Anonymous
3. 2,297 views
Reporter: A new campaign finance reform bill being considered by Congress would limit the amount of campaign contributions that
1. 3 answers
2. asked by Harry
3. 2,217 views
Two supplementary angles are such that one is 14 times larger than the other. Find the two angles. (Enter solutions from
1. 1 answer
2. asked by unique
3. 1,905 views
A space probe of the surface of Mars sends a radio signal back to the Earth, a distance of 3 x 1010 km. Radio waves travel at
1. 2 answers
2. asked by Anonymous
3. 1,814 views
How many gallons of water can be contained in a cylindrical tank that is 6ft in diameter and 15ft deep?
1. 1 answer
2. asked by Kriztee
3. 1,769 views
whats the root or base word of rebellious,belligerent, doctrine, document, levity, levitate, initiative, itinerary, impulsive,
1. 4 answers
2. asked by tony
3. 1,754 views
Suppose that France and Denmark both produce oil and olives. Frances’s opportunity cost of producing a crate of olives is 4
1. 1 answer
2. asked by ann
3. 1,725 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. 4 answers
2. asked by jess
3. 1,679 views
A nonapeptide was determined to have the following amino acid composition: (Arg)2, (Gly)2, (Phe)2, His, Leu, Met.1-fluoro-2,4-di
1. 2 answers
2. asked by Peter Parker
3. 1,646 views
F. Scott Fitzgerald dropped out of college to .....begin writing. get married. join the army. work for his father.
1. 3 answers
2. asked by Sara
3. 1,604 views
What is the equilibrium concentration of carbon dioxide in water that is in contact with air at 25 °C and 2.55 atm. The mole
1. 1 answer
2. asked by Heaton
3. 1,579 views
How much energy (heat) is required to convert 248 g of water from 0oC to 154oC? Assume that the water begins as a liquid, that
1. 2 answers
2. asked by Dan
3. 1,519 views
Propane (C3H8) + oxygen------> carbon dioxide + waterhow many grams of carbon dioxide are produced from the reaction of 35.2
1. 2 answers
2. asked by danielle
3. 1,492 views
ABCD is a rhombus with diagonals intersecting at E. If m<ABC is three times m<BAD, find m< EBC
1. 1 answer
2. asked by Hannah
3. 1,485 views
A heat lamp produces 22.5 watts of power at a wavelength of 6.0 Mu.How many photons are emitted per second? (1watt= 1J/s )
1. 1 answer
2. asked by Kristen
3. 1,461 views
A cook wants to heat 1.10kg of water from 33 C to 100 C. If he uses the combustion of natural gas which is exothermic to heat
1. 2 answers
2. asked by Katie
3. 1,453 views
Using a periodic table, determine the number of electrons held in energy levels 1-3 of each atom.B----2 in level 1--3 in level
1. 1 answer
2. asked by kr
3. 1,426 views
Two complementary angles are such that one is eight times larger than the other. Find the two angles.
1. 1 answer
2. asked by jess
3. 1,421 views
(a) How much heat in kcal must be provided for a 0.853 kg block of lead to raise thetemperature of 0.015 kg block of ice from
1. 3 answers
2. asked by Hannah
3. 1,410 views
A motorist traveling at 30 m/s passes a parked police car. At the instant the motorist passes the police car, the police car
1. 3 answers
2. asked by Krystal
3. 1,395 views
Normally the rate at which you expend energyduring a brisk walk is 3.6 Calories per minute. (A Calorie is the common unit of
1. 1 answer
2. asked by John
3. 1,365 views
Hexagonal tiles of sides20cm are used to tile a room which measures 6.25m. Assuming we complete the edges by cutting up tiles,
1. 3 answers
2. asked by sahar
3. 1,358 views
A sample of magnesium weighs 10 grams. How many moles of magnesium are there in the sample?0.4 moles?
1. 3 answers
2. asked by kr
3. 1,354 views
The graph of a one-to-one function is shown below. Draw the graph of the inverse function, f^(-1) , and submit it to the
1. 1 answer
2. asked by jessica
3. 1,339 views
How do you find the perimeter of a second polygon given just the scale factor of both polygons and the perimeter of the larger
1. 4 answers
2. asked by Melanie
3. 1,330 views
At the beginning of a basketball game, a referee tosses the ball straight up with a speed of 5.4 m/s. A player cannot touch the
1. 2 answers
2. asked by Nett
3. 1,326 views
write all the possible set of magnetic quantum number for an electron in the n=2 shell that have an angular momentum number l=o
1. 1 answer
2. asked by keisha
3. 1,322 views
what is the maximum speed with which a car can round a turn of radius of 80.0m on a flat road if the coefficient of friction
1. 5 answers
2. asked by Shea
3. 1,321 views
What is a modern example of popular sovereignty? I don't need a long explanation of the example just something I can research. I
1. 3 answers
2. asked by Kinna
3. 1,299 views
A company markets educational software products, and is ready to place three new products on the market. Past experience has
1. 3 answers
2. asked by Mack
3. 1,283 views
which of the following will result in a chemical change?A.melting ice to obtain water B.evaporating alcohol into vapor.C.drying
1. 1 answer
2. asked by norman
3. 1,282 views
Whether it’s shopping for the newest fashion, dining at a high quality restaurant, or spending the night at a world-class
1. 3 answers
2. asked by Rebekah
3. 1,263 views
A satellite orbits at a distance from the Earth's center of about 4.40 Earth radii and takes 13.0 hours to go around once. What
1. 1 answer
2. asked by brett
3. 1,145 views
a taxi costs $2.75 for the first quarter of a mile and $0.85 for each subsequent quarter mile.A ride that cost $23.15 is how
1. 1 answer
2. asked by tanya
3. 1,127 views
what is the maximum speed with which a car can round a turn of radius of 80.0m on a flat road if the coefficient of friction
1. 1 answer
2. asked by Kelli
3. 1,102 views
A sample of water is found to contain 0.059 ppm of Pb2+ ions. Calculate the mass of lead ions per liter of this solution (assume
1. 1 answer
2. asked by Heaton
3. 1,094 views
A solution was made by dissolving 62.07 grams of a compound in 500.0 g of water. The compound was not ionic. The freezing point
1. 1 answer
2. asked by Anna King
3. 1,081 views
A 610 kg satellite orbits at a distance from the Earth's center of about 5.3 Earth radii. What gravitational force does the
1. 1 answer
2. asked by brett
3. 1,079 views
Evaluat d 4lowing1.lim x/|x| x-->02.lim x->1 sqrt(x^2+2- sqrt3)/x-1 3.lim n->~ f(n)=(1+1/n)^sqrtn 4. limx->0 f(x)=
1. 0 answers
2. asked by Bash
3. 1,078 views
a cannon fire a bullet into a castle. leave the gun with velocity of 110 with an angle of 20. the bullet reaches highest point
1. 0 answers
2. asked by Elise
3. 1,066 views
I forgot to add a point to the linguistic objectives.By the way, what do you think of the linguistic objectives I included? 1)
1. 1 answer
2. asked by Henry2
3. 1,052 views
Give a detailed acoount for all the events the Guyana national anthem wre used at.
1. 0 answers
2. asked by Sasha
3. 1,050 views
An object is dropped off of a 27 meter tall building.How long is it in the air before it hits the ground? To measure the height
1. 1 answer
2. asked by Anonymous
3. 1,037 views
DURING THE 1840'S MANY MORE AMERICANS THAN BRITISH SETTLED IN THE OREGON COUNTRY HOW DID THIS INFLUENCE THE NEGOTIATION OVER THE
1. 2 answers
2. asked by Lori
3. 1,020 views
The following thermochemical equation is for the reaction of iron(s) with chlorine(g) to form iron(III) chloride.2Fe(s) +
1. 2 answers
2. asked by Hannah
3. 1,012 views
A researcher is interested inestimating the average salary of teachers in a large urban school district. She wants to be 95%
1. 3 answers
2. asked by Anonymous
3. 1,002 views
aaron is skipping stones across a pond.(A "skip"is a short bounce in the water.)The first stone skips 1 time, the second skips 2
1. 0 answers
2. asked by jimmy
3. 986 views
What is a modern example of limited government? The only things I can think of are the US Constitution and Magna Carta but they
1. 4 answers
2. asked by Ryu
3. 966 views
I tried using my calculator and punching in the choices to figure out what x is and none of them equaled -10 so idk what i did
1. 1 answer
2. asked by John
3. 956 views
A hunter aims directly at a target (on the same level) 61.0 m away. If the bullet leaves the gun at a speed of 176 m/s, by how
1. 11 answers
2. asked by Stacy
3. 953 views
A ball is thrown upward from the top of a 50.0 m tall building. The ball's initial speed is 12.0 m/s. At the same instant, a
1. 1 answer
2. asked by Kelly
3. 932 views
A tennis ball of mass 100g is dropped from a height of 40m.It hits the ground and bounces back to a height of 30m after an
1. 2 answers
2. asked by kulani
3. 923 views
If arc BC measures 80 degrees, then angle BAC measures 80 degrees true or false?
1. 1 answer
2. asked by Anonymous
3. 921 views
answer each question based on your understanding of the boldfaced vocabularywhat are some situation when levity is out of place
1. 3 answers
2. asked by tony
3. 920 views
In a school there are 122 grade 8s, 105 grade 9s, 134 grade 10s, 109 grade 11s, 90 grade 12s. Express Each Class as a percentage
1. 2 answers
2. asked by Thabo
3. 917 views
A projectile is fired from ground level with a speed of 40 m/s at an angle of 30 degrees and hits a building 100m away.What is
1. 1 answer
2. asked by Krystal
3. 917 views
An athlete executing a long jump leaves the ground at a 32.5° angle and travels 7.72 m. What was the take-off speed?If this
1. 1 answer
2. asked by Zeek
3. 914 views
At what temperature would 1.3 m NaCl freeze, given that the van't Hoff factor for NaCl is 1.9? Kf for water is 1.86 deg C/m.
1. 1 answer
2. asked by Becca
3. 890 views
how does increasing the height of a ramp affect how far a ball rolls down the ramp?
1. 1 answer
2. asked by Anonymous
3. 886 views
A crystal chandelier hangs in a fancy ballroom. Draw a free body diagram for the chandelier, including all vertical forcs
1. 1 answer
2. asked by Tracy
3. 883 views
This is my second essay, please I want some constructive criticism on this.Moreover this site does not give away our essays so
1. 1 answer
2. asked by Hero
3. 877 views
Thank you. Here is the third part of my translation. I included synonyms in brackets. I really need you to check the words.Integ
1. 0 answers
2. asked by Henry2
3. 867 views
nitrogen + hydrogen----------> ammoniaHow many grams of ammonia can produced from 3.47 moles of hydrogen?
1. 1 answer
2. asked by danielle
3. 847 views
Radioactive materials are often used in biological studies. A radiation biologist studies the rate of decomposition of a certain
1. 1 answer
2. asked by L
3. 846 views
find the equation of a circle. the endpoints of the diameter of a circle are (3,-2) and (7,-6).
1. 4 answers
2. asked by Declan
3. 843 views
Popcorn kernels pop independently (i.e. unimolecularly). For one brand at constant temperature, 15 kernels pop in 10 seconds
1. 0 answers
2. asked by Lizzie
3. 842 views
john types 20 pages in 40 min, sue types 20 pages in 30 min, bob types 20 pages in 24 min. working togehter how long to type 20
1. 1 answer
2. asked by cliff
3. 816 views
Given the argument and its Euler diagram below, determine whether the syllogism is valid or in valid.All painters use brushes.
1. 1 answer
2. asked by cody
3. 806 views
Calculate the change in pH when 6.00 mL of 0.100 M HCl(aq) is added to 100.0 mL of a buffer solution that is 0.100 M in NH3(aq)
1. 1 answer
2. asked by Katie
3. 800 views
A 2kg ball is attached to a 1.5m rope and is swung in a vertical circle. At the top of the swing the ball travels at 5 m/s. What
1. 0 answers
2. asked by Krystal
3. 796 views
Normally the rate at which you expend energyduring a brisk walk is 3.6 Calories per minute. (A Calorie is the common unit of
1. 1 answer
2. asked by John
3. 787 views
Christopher has cut three pieces of string to three kites.two pieces are equal length. rhw third pieces is one half of the
1. 4 answers
2. asked by tanya
3. 786 views
First, give the technology formula for the given function and then use technology to evaluate the function for the given values
1. 1 answer
2. asked by Jane
3. 771 views
I have to write a personal comments essay, please help me out in figuring if this is well written,makes sense and is worth it..T
1. 1 answer
2. asked by Hero
3. 768 views
An ad campaign for a new snack chip will be conducted in a limited geographical area and can use TVtime, radio time and
1. 0 answers
2. asked by Anonymous
3. 765 views
Hello.I apologize for bothering you with similar questions but I'm supposed to explain the difference in tenses in the following
1. 1 answer
2. asked by Ilma
3. 753 views
How would you prepare 1.00 L of a 0.5 M solution of NiCl2 from the salt NiCl2 x 6H2O
1. 0 answers
2. asked by Kenz
3. 752 views
For each, give the total number of electrons, the number of valence electrons, and the number of the energy level that holds the
1. 1 answer
2. asked by kr
3. 750 views
A 40kg block is pushed along a level surface with a 200 N force at an angle of 35 degrees below the horizon. The coefficient of
1. 2 answers
2. asked by Krystal
3. 749 views
A race driver has a pit stop to refuel. After refueling, he starts from rest and leaves the pit area with an acceleration whose
1. 1 answer
2. asked by Anonymous
3. 743 views
Which wave property can best explain the apparent bending of a pencil when its dipped in to a glass of water?
1. 1 answer
2. asked by reyna
3. 725 views
Sweden is reported to have among the highest percentage of citizens aged 80 years and over, at approximately 5.5 % (i.e. 5.5 %
1. 1 answer
2. asked by Brittany
3. 713 views
Okay, so how would i work out: How would you prepare 1.00 L of a .5M Solution of NiCl2 from the salt NiCl2 x 6H2O, Because what
1. 1 answer
2. asked by Kenz
3. 705 views
Thank you very much.I just have a few doubts about an email I need to write. Students will be able to.. 1) use recordings to
1. 1 answer
2. asked by Henry2
3. 704 views
to move a crate across a rough floor ,you push on it at an angle of 21degrees below the horizontal. find the force necessary to
1. 1 answer
2. asked by shadad
3. 692 views
int_(-2)^2sqrt(4-x^2)text()dx evaluate the integral
1. 0 answers
2. asked by DJ
3. 688 views
A 5. pellet of aluminum at 20 degrees celcius gains 200 joules of heat. What is its final temperature? [specific heat of
1. 0 answers
2. asked by j nager
3. 688 views
There are 36 chickens and dogs in the cage, with a total of 100 legs. How many chickens and dogs are there
1. 1 answer
2. asked by jasmine
3. 678 views
why do serum protein molecules such as albumin and lysozyme adopt different changes within physiological pH range?
1. 2 answers
2. asked by terry
3. 678 views

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