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Questions Asked on February 12, 2010

Give the ideal bond angle for BrO3- ion?I know this has trigonal bipyramidal geometry and therefore the bond angle is < 109.5.
1. 3 answers
2. asked by Lauren
3. 6,416 views
Consider the following shaded region.Find the area S of this region if a = 6, b = 3. (Give an exact answer.) The two graphs
1. 1 answer
2. asked by aimee
3. 5,271 views
Problem 19.33Two light bulbs are 1.5 m apart. From what distance can these light bulbs be marginally resolved by a small
1. 2 answers
2. asked by JOTHEY
3. 4,471 views
How much heat is required to convert 32.5 grams of ethanol at 28 C to the vapor phase at 78 C?Ethanol (C2H5OH) boils at 75 C.
1. 2 answers
2. asked by Anonymous
3. 4,457 views
1) For a person at rest, the velocity v (in liters per second) of air flow during a respiratory cycle isV = 0.85 sin pi(t)/ 3
1. 1 answer
2. asked by Abby
3. 4,452 views
Your brother's mass is 35.6 kg and he has a 1.3-kg skateboard. What is the combined momentum of your brother and his skateboard
1. 2 answers
2. asked by Brenna
3. 3,764 views
what number from 1 to 25 has the most factors?
1. 16 answers
2. asked by Katelee
3. 3,441 views
the length of a rectangular garden is 5 feet longer than its width. The garden is surrounded by a 2-foot-wide-sidewalk. The
1. 3 answers
2. asked by val
3. 3,078 views
During a soccer game two players come from the opposite directions and collide when trying to head the ball. They come to rest
1. 5 answers
2. asked by Teri
3. 2,543 views
solve the following simultaneous equation:5x+2y=29 x-y=-4 2x-y=-1 3x-y=2 5x+y=16 x-2y=1 5x+2y=16 -3x+4y=-7 3x+2y=19 5x-2y=5
1. 1 answer
2. asked by JERMAINE
3. 2,133 views
A child slides down a slide with a 24 incline, and at the bottom her speed is precisely half what it would have been if the
1. 5 answers
2. asked by Sandy
3. 2,125 views
Based on the balanced equation2Al + 6HCl → 2AlCl3 + 3H2 calculate the number of excess reagent units remaining when 140 Al
1. 2 answers
2. asked by eng
3. 2,074 views
The wavelength of red light is about 7x10^-7m. The frequency of the red light reflected from a metal surface and the frequency
1. 2 answers
2. asked by sh
3. 2,024 views
The number of boys in a certain class exceed the number of girls by 7. If the number of boys is 5/4 of the number of girls, how
1. 2 answers
2. asked by sylvie
3. 1,987 views
twentieth-century music features more _____ instruments than music of other periodsa. string b. percussion c. woodwind d. brass
1. 1 answer
2. asked by kylie
3. 1,665 views
Based on the balanced equation2Ba + O2 → 2BaO calculate the number of BaO formula units formed when 142 Ba atoms and 73 O2
1. 1 answer
2. asked by eng
3. 1,638 views
a 1200 kg car going 30 m/s applies its brakes and skids to rest. if the friction force between the sliding ires and the pavement
1. 1 answer
2. asked by edwin
3. 1,631 views
To get off a frozen frictionless lake, a 70.0 kg person takes off a 0.150 kg shoe and throws it horizontally directly away from
1. 2 answers
2. asked by Anonymous
3. 1,559 views
You push your physics book 1.50 m along a horizontal tabletop with a horizontal force of 2.40N. The opposing force of friction
1. 1 answer
2. asked by frances
3. 1,468 views
During a tennis serve, the racket of a tennis player continues forward after it hits the ball. Is momentum conserver in the
1. 2 answers
2. asked by Teri
3. 1,450 views
The speed of a basketball as it is dribbled is the same when the ball os going toward tthe floor as it is when the ball rises
1. 1 answer
2. asked by Teri
3. 1,315 views
Please help me? Chicken Dinners. High Flyin' Wings charges $12 for a bucket of chicken wings and $7 for a chicken dinner. After
1. 2 answers
2. asked by Sarah Mae B. Oquindo
3. 1,304 views
1. Investment. Part of $25,000 is invested at 10 percent, another part is invested at 12 percent, and a third part is invested
1. 1 answer
2. asked by Sarah Mae B. Oquindo
3. 1,281 views
38. Mitosis and meiosis are two different ways cells divide. They both share common characteristics and processes, but differ in
1. 2 answers
2. asked by mysterychicken
3. 1,268 views
How many grams of water can be cooled from 31 C to 20 C by the evaporation of 37 grams of water? (The heat of vaporization of
1. 2 answers
2. asked by Anonymous
3. 1,262 views
A pole-vaulter runs toward the launch point with horizontal momentum. Where does the vertical momentum come from as the athlete
1. 1 answer
2. asked by Teri
3. 1,247 views
A rectangular laboratory tray is 1/2 feet by 4/3 feet. Find the area.
1. 2 answers
2. asked by samtha
3. 1,240 views
A charged disk of radius R that carries a surface charge density ó produces an electric field at a point a perpendicular
1. 0 answers
2. asked by Heidi
3. 1,236 views
How could make this not be a passive voice sentence?Schools close because of poor test scores,lack of government funding
1. 2 answers
2. asked by Ashley
3. 1,217 views
The perimeter of a triangle is 45 meters, what is the length of each side?
1. 2 answers
2. asked by Anonymous
3. 1,192 views
________ music is generally associated with nonmusical ideas and objectsa. Character b. Program c. Recital d. Literary
1. 3 answers
2. asked by nikki
3. 1,150 views
An ice skater spins with his arms outstretched. When he pulls his arms in and raises them above his head he spins much faster
1. 2 answers
2. asked by Nate
3. 1,148 views
A boat is pulled into a dock by a rope attached to the bow of the boat and passing through a pulley on the dock that is 1 m
1. 1 answer
2. asked by Gabe
3. 1,103 views
How many grams of water would it take to quench 1 g of phenylmagnesium bromide?
1. 2 answers
2. asked by Chem
3. 1,082 views
Calculate the mid-point elasticity of demand. Please review chapter 6 before taking this assignment. Question: The online
1. 0 answers
2. asked by april
3. 1,053 views
"Translate the empirical molar enthalpy given below into a balanced chemical equation, including the enthalpy change (delta H):T
1. 1 answer
2. asked by Stuck
3. 981 views
Please help me !!!Compare and contrast the physiological functions of chloroplasts and mitochondria. Thanks
1. 1 answer
2. asked by Amanda
3. 979 views
Write a number sentence. Use every digit in the circle only once. Insert math symbols ( + ,-,x,/) and end the number with 3. Us
1. 1 answer
2. asked by dummy
3. 968 views
A __________ provides the tools that a programmer uses to create software.a)compiler b) interpreter c)code d)a programming
1. 3 answers
2. asked by Mary
3. 968 views
how many movements are there in a tone poema. one b. two c. three d. four
1. 2 answers
2. asked by nikki
3. 967 views
Calculate the mid-point elasticity of demand. Please review chapter 6 before taking this assignment. Question: The online
1. 1 answer
2. asked by april
3. 948 views
I have to do time traveling art historian for my final I have choosen Egyptian, Roman, Indian I was wondering if anyone can give
1. 3 answers
2. asked by Amy
3. 947 views
the music of brahms is often describe asa. negative b. dissonant c. disorganized d. optimistic
1. 2 answers
2. asked by nikki
3. 925 views
If the Kitty Hawk Flyer has 12 HP how would you express this power in the SI system and report the numerical value in kilowatts?
1. 1 answer
2. asked by Hannah
3. 895 views
Recall that for a finite rod of length L and total charge Q, the electric field for a point located a perpendicular distance r
1. 1 answer
2. asked by Julia
3. 892 views
Why is HC3HO considered a weak acid?Why is NaOH considered a strong base? Why is Mg(NO3)2 considered a salt?
1. 2 answers
2. asked by keisha
3. 887 views
We are working on permutations and combinations and the problem reads as follows: A deli offers its cheese sandwich with various
1. 2 answers
2. asked by nicole
3. 864 views
literary elements such as alliteration, assonance, and consonance are used to create sound effects. list three literary elements
1. 1 answer
2. asked by Anonymous
3. 845 views
how is a person diagnosed as being "senile?"
1. 3 answers
2. asked by april
3. 825 views
#62. Taken as a whole, what would you say is the single most pressing problem found in Latin America or South America? What
1. 9 answers
2. asked by y912f
3. 817 views
Could you please help me with this?Music Spending. Sean has $37 to spend. He can spend all of it on two compact discs and a
1. 1 answer
2. asked by Sarah Mae B. Oquindo
3. 806 views
Which of the solutions has the greatest osmotic pressure?Choose one answer. a. 10.0 g glucose in 1.00 L at 298 K b. 10.0 g
1. 1 answer
2. asked by CC
3. 769 views
compare and contrast the characters Natty Bumppo in The Prairie and John in Hospital sketchesthanks for the help
1. 1 answer
2. asked by Anonymous
3. 764 views
Consider the electric field created by a very long charged line of negative linear charge density -2.50 nC/m.A small positive
1. 5 answers
2. asked by Susie
3. 748 views
whether a material is magnetic or not depends on which of the following ??MANGET ,ELECTOMAGNETISM, ELECTRIC MOTOR, ELECTRIC
1. 0 answers
2. asked by sandra
3. 744 views
Find the number b such that the line y = b divides the region bounded by the curves y = x2 and y = 16 into two regions with
1. 1 answer
2. asked by emily
3. 744 views
If 750 mL of 0.893 M aqueous NaBr and 11.6 L of gaseous Cl2 measured at STP are reacted stoichiometrically according to the
1. 3 answers
2. asked by andy
3. 731 views
whats the unit rate:882 yd in 9 secs A grocery store sells four different jars of peanut butter. Determine which is the best
1. 3 answers
2. asked by pam
3. 704 views
Could you please answer this?Investment. Part of $25,000 is invested at 10 percent, another part is invested at 12 percent, and
1. 1 answer
2. asked by Sarah Mae B. Oquindo
3. 701 views
I was unable to stop. I kept going and going, something was out there which was bringing me closer to itself.
1. 14 answers
2. asked by Sara
3. 689 views
9497463345x932234524?
1. 1 answer
2. asked by haley
3. 683 views
What fallacies, if any, are present in the following passage? Can you please give reasons for your answer, that is, if you say
1. 4 answers
2. asked by Andrew
3. 682 views
A ladder is 6m long.How much farther up a wall dose it reach when the foot of the ladder is 2m fro the wall than when it is 3m
1. 1 answer
2. asked by Cheyenne
3. 680 views
Consider the electric field created by a very long charged line of negative linear charge density -2.50 nC/m.A small positive
1. 1 answer
2. asked by Joanna
3. 680 views
An airplane lands and starts down the runway at a southwest velocity of 41 m/s. What constant acceleration allows it to come to
1. 3 answers
2. asked by Max
3. 675 views
Describe the acceleration time graph of a car traveling forward and applying its brakes.
1. 4 answers
2. asked by jake
3. 670 views
Calculate the molarity of the following.45 grams of Na2SO4 dissolved to make 500 ml of solution 30 grams of C4H8O4 dissolved to
1. 0 answers
2. asked by keisha
3. 669 views
I recently did an experiment on Aldol Condensation, by reacting Benzaldehyde with Acetone to form Dibenzalacetone.The proposed
1. 2 answers
2. asked by Alan
3. 667 views
which one of the following terms best describes the music of the classical perioda. polyphony b. irregular metrical patterns c.
1. 1 answer
2. asked by nikki
3. 664 views
A brick is thrown vertically upward with an initial speed of 4.40 m/s from the roof of a building. If the building is 74.0 m
1. 2 answers
2. asked by Max
3. 658 views
let A and B be sets. Prove that AXB=0 iff A=0 or B=0
1. 1 answer
2. asked by Anonymous
3. 652 views
What are some good web sites to visit to learn about government agencies?
1. 1 answer
2. asked by Bradley
3. 642 views
music to be performed by a small group is commonly known as _____ musica. orchestral b. chamber c. concerto d. sequential
1. 1 answer
2. asked by nikki
3. 641 views
Ms. Sue you know the description of the old house I did, well now I have to put all that into a paragraph. I want to make this
1. 1 answer
2. asked by Sara
3. 637 views
Ms. Sue I am unable to post my paragraph on here. it says that your question could not be posted. I didn't even post a website
1. 1 answer
2. asked by Sara
3. 637 views
Could someone check this equation for me please.I have added the steps I have done so far.7x +9 = 5x-5 subtract 5x from both
1. 1 answer
2. asked by Geoff
3. 637 views
____ palys a large role in art music of the twentieth centurya. Melody b. Rich harmony c. Dissonance d. Limited timbre
1. 2 answers
2. asked by kylie
3. 633 views
How could make this not be a passive voice sentence?Schools close because of poor test scores,lack of government funding
1. 2 answers
2. asked by Ashley
3. 624 views
piano music of the romantic period frequently relies on the use of thea. staccato b. reed c. manuals d. pedals
1. 3 answers
2. asked by nikki
3. 618 views
The dimensions of a box are 20" by 30" by 4". The volume of the box is 2400 inches cubed. If each dimension is doubled the new
1. 2 answers
2. asked by Gunesh
3. 616 views
Answer the following for a face centered unit cell. answers should be numerical. r=6.00edge in terms of r, the lattice pt radius
1. 3 answers
2. asked by random
3. 615 views
China is in eastern Asia, bordering the Pacific Ocean. It is surrounded by many countries, including Russia, Mongolia,
1. 1 answer
2. asked by anna
3. 615 views
A boulder has 300 J of potential energy sitting on the edge of a cliff. What is the boulder's kinetic energy as it hits the
1. 1 answer
2. asked by Christina
3. 607 views
Consider a charged ring of radius 43.4 cm and total charge 18 nC.We are interested in the electric field a perpendicular
1. 1 answer
2. asked by Andrew
3. 606 views
The thermoshpere is 415 km deep. Calculate the percent of the atmosphere made up by the thermosphere if the total atmospehere
1. 3 answers
2. asked by LeeAnne
3. 605 views
Could you please help me answer this?Fund Raising. A charity organization wishes to raise at least $12,000 from a movie premiere
1. 0 answers
2. asked by Sarah Mae B. Oquindo
3. 600 views
what is one of the chief characteristics of beethoven's musica. gentle transition b. dramatic contrast c. regular rhythm d. slow
1. 2 answers
2. asked by she she
3. 598 views
Another question :)At the top of its drop hill, a 1,000 kg roller coaster has 200,000 J of total energy. If the top of the next
1. 2 answers
2. asked by Christina
3. 590 views
In a special local election, one candidate received 288 votes less than twice the number of votes of the opponent. How many
1. 3 answers
2. asked by Cole
3. 584 views
need to change all 1st and 2nd person pronouns to 3rd person pronouns for the following:We animals are the most complicated
1. 1 answer
2. asked by sammi
3. 579 views
what are nonrenewable energy sources?
1. 1 answer
2. asked by Natalia
3. 572 views
what is china's relative and absolute location?
1. 5 answers
2. asked by anna
3. 572 views
Explain 2 reasons why salad dressing is not a solutionI think one is it separates after a while of sitting is that right and I
1. 1 answer
2. asked by Hannah
3. 566 views
Money Mixtures. Elaine has $194, consisting of $20, $5, and $1 bills. The number of $1 bills is 1 less than the total number of
1. 2 answers
2. asked by Sarah Mae B. Oquindo
3. 559 views
You have an interesting deck of cards:there are an unknown number of different types of cards, each card type is repeated many
1. 2 answers
2. asked by Ryan
3. 557 views
How many moles of nitrogen do you need to make 78 g of ammonia?
1. 2 answers
2. asked by Sheena
3. 553 views
The thermoshpere is 415 km deep. Calculate the percent of the atmosphere made up by the thermosphere if the total atmospehere
1. 5 answers
2. asked by LeeAnne
3. 548 views
the term ___ describes intervals of less than a half stepa. countertone b. microtone c. overtone d. undertone
1. 1 answer
2. asked by kylie
3. 548 views
What is the purpose of the chart of accounts?o Why are internal controls and audit trails important in a computerized accounting
1. 0 answers
2. asked by Anonymous
3. 547 views
How would you accomplish expose netting with currencies to two countries that tend to go up and down together in value?
1. 1 answer
2. asked by Malaya
3. 542 views

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