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Questions Asked on February 26, 2010

Acetone , C3H6), is the main ingredient of nail polish remover. A solution is made up by adding 35.0 ml of acetone (d=0.790g/ml)
1. 3 answers
2. asked by Tim
3. 8,128 views
A 75 g bungee cord has an equilibrium length of 1.20 m. The cord is stretched to a length of1.80 m, then vibrated at 20 Hz. This
1. 1 answer
2. asked by Lucas
3. 8,068 views
A heavy piece of hanging sculpture is suspended by a 90 cm long, 5.0 g steel wire. When thewind blows hard, the wire hums at its
1. 2 answers
2. asked by Anonymous
3. 3,846 views
A concert loudspeaker suspended high off the ground emits 35 W of sound power. A smallmicrophone with a 1.0 cm2 area is 50 m
1. 1 answer
2. asked by Tyler
3. 3,192 views
Hi, how do I write the number 1/32 as a power of 2. What would the value of the index be? Many thanks
1. 3 answers
2. asked by Sam
3. 3,008 views
A blueprint for a house shows a bedroom being 5.5 inches wide. The scale used to create the blueprint is 0.50 in. = 1 ft. What
1. 3 answers
2. asked by stephanie
3. 2,847 views
Why does luis place 3 cups of water without any solute in the freezer?a. if some water spills, he will have extra b. the plain
1. 1 answer
2. asked by mary1111
3. 2,843 views
An electron enters a parallel plate apparatus 10.0cm long and 2.0cm wide, moving horizontallyat 8.0 × 10^7 m/s. (top plate is
1. 1 answer
2. asked by Lauren
3. 2,813 views
Calculate the delta H and delta S for the reaction. From there, calculate the delta G at 25 degrees Celsius. Predict whether it
1. 2 answers
2. asked by Anonymous
3. 2,697 views
Assuming that achieving replacement-level fertility is desirable, is the assumption of 0 years to reach replacement fertility
1. 7 answers
2. asked by Max
3. 2,490 views
A piece of wire 24 m long is cut into two pieces. One piece is bent into a square and the other is bent into a circle. (Give
1. 1 answer
2. asked by Crystal
3. 2,465 views
correct the following teneseConcentration does not mean (1) think only one idea. Concentration means holding a central issue in
1. 3 answers
2. asked by roza
3. 2,371 views
How many grams of steam at 100 degrees celcuis would be required to raise the temperature of 35.8 g solid benzene (C6H6) from
1. 3 answers
2. asked by Anonymous
3. 2,186 views
Calculate the vapor pressure of water over each of the following ethylene glycol C2H6O2 solutions at 80 degree C (vp=pure
1. 4 answers
2. asked by Tim
3. 2,023 views
A circuit contains sic 60-W lamps with a resistance of 240-ohm each and a 10.0-ohm heater connected in parallel. The voltage
1. 1 answer
2. asked by Priscilla
3. 1,792 views
A block of weight w = 35.0 N sits on a frictionless inclined plane, which makes an angle theta = 27.0 degrees with respect to
1. 1 answer
2. asked by Anonymous
3. 1,779 views
Hans uses a wheelchair. Although he has a rampto in his house, he finds it difficult to get his wheelchair up the ramp. Whcih
1. 2 answers
2. asked by Toni
3. 1,736 views
calculate number of grams of iron in one mole of ferrous ammonium sulfate.hint how many moles are in one mole of ferrous
1. 1 answer
2. asked by kelly
3. 1,675 views
Which of the following would eliminate the variable on the left side of the given equation?36 - 19w = -6w + 41 A)add -19w B)add
1. 6 answers
2. asked by Anonymous
3. 1,673 views
NaOH(s)+ H2SO4(aq)=Na2SO4(aq) + H2O(l)Consider the unbalanced equation above.A 0.900 g sample of impure NaOH was dissolved in
1. 2 answers
2. asked by Tiffany
3. 1,652 views
determine the coterminal angle between -360 and 360 for -540
1. 1 answer
2. asked by pete
3. 1,549 views
11. The Sterling Tire Company’s income statement for 2008 is as follows:Given this income statement, compute the following:
1. 4 answers
2. asked by teena
3. 1,538 views
How many moles of water are contained in 0.250 mol of CuSo4 x 5H2O?
1. 3 answers
2. asked by yazmin
3. 1,509 views
Urea (NH2CONH2), an important nitrogen fertilizer, is produced industrially by the reaction 2NH3(g)+ CO2(g)--> NH2CONH2(aq)+
1. 0 answers
2. asked by Anonymous
3. 1,356 views
1.predict and expalain the order of melting point for propanol, butane, and proanone with refernce to their intermolecular
1. 1 answer
2. asked by Richard
3. 1,335 views
Two 10-cm-diameter charged rings face each other, 24.0 cm apart. Both rings are charged to + 50.0 . What is the electric field
1. 1 answer
2. asked by Anonymous
3. 1,310 views
A 5.0 kg book is sitting on a table. Which describes the force acting on the booka. there are no forces acting on the book b.
1. 1 answer
2. asked by frank
3. 1,280 views
1. Plant seed coats, mycorrhizae, and cuticles are examples ofa. ways plants have adapted to life on land b. evolutionary
1. 2 answers
2. asked by mysterychicken
3. 1,272 views
Each base angle of an isosceles triangle measures 42°. The base is 14.6 feet long.A) Find the length of a leg of the triangle.
1. 1 answer
2. asked by Stephanie
3. 1,256 views
A 22.0-kg box rests on a frictionless ramp with a 14.1° slope. The mover pulls on a rope attached to the box to pull it up the
1. 2 answers
2. asked by Anonymous
3. 1,254 views
Determine the [H3O+] in a 0.3 M solution ofHClO4. Answer in units of M.
1. 1 answer
2. asked by hello
3. 1,253 views
A financial advisor is about to build an investment portfolio for a client who has $100000 to invest. The four investments
1. 1 answer
2. asked by Sam
3. 1,217 views
Calculate the final temperature (once the ice has melted) of a mixture made up initially of 75.0 ml liquid water at 29.0 degrees
1. 2 answers
2. asked by Jaclyn
3. 1,215 views
A runner training for a race times 400 meter laps. Lap 1 60sec, Lap 2 57sec, Lap 3 55sec, Lap 4 53sec. What is the average
1. 1 answer
2. asked by mary1111
3. 1,148 views
On a test, Abbey had 75% of the problems right. If she had 48 problems correct, how many questions were on the test?
1. 2 answers
2. asked by Anonymous
3. 1,116 views
Hans uses a wheelchair. Although he has a rampto in his house, he finds it difficult to get his wheelchair up the ramp. Whcih
1. 1 answer
2. asked by Toni
3. 1,106 views
Given: the linear expansion coefficient of glass is 9 x 10^-6 ('C)^-1.An automobile windshield has dimensions of 59 cm by 390
1. 3 answers
2. asked by elisabeth
3. 1,102 views
A group of students on a hiking trip wants to find the distance AB across a pond (see the following figure). One student
1. 1 answer
2. asked by alicia
3. 1,100 views
If this be error and upon me proved, I never writ, nor no man ever loved. These lines are an example of what
1. 1 answer
2. asked by Anonymous
3. 1,098 views
If two identical bowling balls are raised to the same height, one on Earth, the other on Mars, which has the larger
1. 2 answers
2. asked by Jake
3. 1,092 views
the nation of burundi is located in:a}the coast of the arabian sea. b}southern europe c}east-central africa d}southeast asia
1. 8 answers
2. asked by larry
3. 1,088 views
What would be the pH of a solution of hy-poiodous acid (HOI) prepared by dissolving 144 grams of the acid in 200 mL of pure
1. 2 answers
2. asked by hello
3. 1,068 views
Use models to find each product. Write the answer in simplest form. 4 X 1/8 =
1. 2 answers
2. asked by Alexia
3. 1,066 views
A heavy piece of hanging sculpture is suspended by a 90 cm long, 5.0 g steel wire. When thewind blows hard, the wire hums at its
1. 0 answers
2. asked by Lucas
3. 1,036 views
12. The Harmon Company manufactures skates. The company’s income statementfor 2008 is as follows; Sales (20,000 tires at $60
1. 2 answers
2. asked by teena
3. 984 views
I have a question that may seem a bit odd. I have tried to get this info off the web and came up empty. My nephew was fired from
1. 0 answers
2. asked by gigi
3. 983 views
An internal explosion breaks an object, initially at rest, into two pieces, one of which has 2 times the mass of the other. If
1. 2 answers
2. asked by Anonymous
3. 982 views
Use the elimination method to solve each system. How do you do this?{u+4y=11 7u+3v=2
1. 0 answers
2. asked by Scott
3. 963 views
A compact car and a trailer truck are both traveling at the same velocity. Which has more kinetic energy?1. The trailer truck
1. 1 answer
2. asked by Jake
3. 957 views
A 4.9 g marble is fired vertically upward using a spring gun. The spring must be compressed 8.0 cm if the marble is to just
1. 1 answer
2. asked by Jake
3. 947 views
Two metal balls have their centers 2.0 meters apart. One has a mass of 6.0 kg and the other has a mass of 8.0 kg.Choose the
1. 1 answer
2. asked by kassandra casias
3. 945 views
How much kinetic energy is gained by an electron that is allowed to move freely through a potentialdifference of 2.5 × 10^4 V?
1. 1 answer
2. asked by Anonymous
3. 921 views
The density of gasoline is 730 kg/m^3 at 0'C. One gallon of gasoline occupies .0038 m^3. Gasoline's volume expansion coefficient
1. 1 answer
2. asked by elisabeth
3. 920 views
If a baseball's velocity is increased to three times its original velocity, by what factor does its kinetic energy increase?
1. 1 answer
2. asked by Patricia
3. 894 views
A physics professor demonstrates the Doppler effect by tying a 600 Hz sound generator to a1.0-m-long rope and whirling it around
1. 2 answers
2. asked by Anonymous
3. 879 views
A cylindrical jar with height 8 inches and diameter 6 inches is filled to 75% capacity with juice. The juice is then poured into
1. 1 answer
2. asked by Phillip
3. 876 views
2 waves are traveling through a container of nitrogen gas. Amplitude of the first wave is 0.3 cm, and the second 0.9 cm. What is
1. 0 answers
2. asked by Mike
3. 846 views
You watch a distant woman driving nails into her front porch at a regular rate of 1 stroke per second. You hear the sound of the
1. 1 answer
2. asked by Samantha
3. 842 views
A projectile is fired at an upward angle of 55.0 degrees from the top of a 230m cliff with a speed of 180m/s.What will be its
1. 1 answer
2. asked by Sandy
3. 828 views
An electron moves from one plate to another across which there is a potential difference of 2000 V.a) Find the speed with which
1. 1 answer
2. asked by Linh
3. 826 views
A circuit contains sic 60-W lamps with a resistance of 240-ohm each and a 10.0-ohm heater connected in parallel. The voltage
1. 1 answer
2. asked by Priscilla
3. 822 views
Els Company most recently reconciled its bank statement?Els Company most recently reconciled its bank statement and book
1. 0 answers
2. asked by muff
3. 815 views
Deandre deposits into an account that pays simple interest at a rate of per year. How much interest will he be paid in the first
1. 3 answers
2. asked by Becca
3. 808 views
what is the area between bulges of water in the ocean called?
1. 1 answer
2. asked by Michelle
3. 788 views
1. what amount of solute present in each of the following solutions?(a) 750 ml of 2.00 M HNO3 (1.50 moles, 94.5g)
1. 1 answer
2. asked by jessie
3. 773 views
The density of gasoline is 730 kg/m^3 at 0'C. One gallon of gasoline occupies .0038 m^3. Gasoline's volume expansion coefficient
1. 1 answer
2. asked by elisabeth
3. 769 views
calculate the ph of a 0.10 M CoCl3 solution. The ka value for Co(H20)6 is 1.0x10^-5
1. 0 answers
2. asked by Anonymous
3. 746 views
Water is being pumped into an inverted conical tank at a constant rate. The tank has height 13 meters and the diameter at the
1. 0 answers
2. asked by idk
3. 721 views
a skydiver experiences a downwar force due to gravity of 700 N and an upward force of air resistance of 570 N. The mass of the
1. 0 answers
2. asked by joan
3. 720 views
41. HIV has become one of the most feared diseases of the world community in the last few decades. Antiviral drugs have been
1. 1 answer
2. asked by mysterychicken
3. 712 views
Write 200-350 word paper that describes the distinctions of data and information and briefly explains the process a computer
1. 1 answer
2. asked by Anonymous
3. 712 views
I have to list 5 different organic compounds; list different types for each; name; structure; properties; and uses. I am a bit
1. 2 answers
2. asked by 6739
3. 699 views
Solve each linear equation by substitution. The answer is suppose to be (-2, -4) Thank you for your help.{-5x+3y=10 x-4y=14
1. 1 answer
2. asked by Steve
3. 692 views
You have recently been hired as a new manager hired into a failing division in a company. The product line is outdated and
1. 3 answers
2. asked by cmills
3. 692 views
Which of the following would eliminate the variable on the left side of the given equation?36 - 19w = -6w + 41 A)add -19w B)add
1. 1 answer
2. asked by nicky
3. 680 views
Write a 6 page paper addressing the following topics: Be sure to observe formatting and citations procedures described in APA
1. 1 answer
2. asked by Tee
3. 675 views
Can anyone help? i severly need this. Please and very much thank you.Ma famille et moi, nous aimons beaucoup être dehors. Quand
1. 1 answer
2. asked by archangel
3. 670 views
a gallon of floor paint will cover about 200 feet of concrete.the floor of harolds basement is 25 feet wide and 40 feet long.how
1. 11 answers
2. asked by yuku
3. 665 views
Explain the steps for double spacing and inserting a Header in Word.Which guideline in Chapter 1 of the Axia Writing Style
1. 3 answers
2. asked by judy
3. 664 views
Can someone please check my work?1. Name the South American countries through which the Tropic of Capricorn passes. Paraguay,
1. 1 answer
2. asked by John
3. 644 views
Assuming that achieving replacement-level fertility is desirable, is the assumption of 0 years to reach replacement fertility
1. 1 answer
2. asked by Max
3. 637 views
Assume that all the resistors are 30.0-ohm. Find the equivalent resistance.Req = 1/30 + 1/30 + 1/30 = 10-ohm Assumer that each
1. 1 answer
2. asked by Priscilla
3. 635 views
Mary wants to make curtains for the three windows in her living room.For each pair of curtains,she needs material measuring 6ft
1. 5 answers
2. asked by yuku
3. 630 views
Mya works on Saturdays and then attends a study group. She needs to be home before her younger brother. She walks from work to
1. 5 answers
2. asked by Dee
3. 627 views
If 430 mL of 0.837 M aqueous HNO3 and 23.5 g of solid Al are reacted stoichiometrically according to the balanced equation, how
1. 1 answer
2. asked by Sammy
3. 627 views
Calculate the mass ( g ) of the solute ethanol and the mass ( kg ) of the solvent CHCl3 that should be combined to prepare 9900
1. 1 answer
2. asked by Diem
3. 626 views
If 229 g of Pb(NO3)2 and 190 mL of 1.68 M aqueous NaI are reacted stoichiometrically according to the balanced equation, how
1. 1 answer
2. asked by Todd
3. 624 views
A pharmacist is to prepare a 50 fluid ounce solution that contains 54% glucose. The pharmacy has a 30% solution and a 90%
1. 3 answers
2. asked by Madison
3. 613 views
How to find an online typing program?
1. 1 answer
2. asked by Henry
3. 607 views
What Is The Defition of Human Geographic Factors?
1. 5 answers
2. asked by Ashley
3. 597 views
I am so weak at this new class I started no matter how many times I read my textbook, I cannot understand how to calculate
1. 0 answers
2. asked by Anna
3. 596 views
6. Determine Keq for the reaction: 2 SO2 (g) + O2(g) 2 SO3(g), given that 1.00 x 10-2 moles of SO2 and 2.00 x 10-2 moles of O2
1. 0 answers
2. asked by Olivia
3. 590 views
"if u could do this physics problem thatd be super.A coach is hitting pop flies to the outfielders. If the baseball (m = 145 g)
1. 1 answer
2. asked by Pat
3. 588 views
What is the theme and conflict of Mark Twain's short story,"The Private History of a Campaign that Failed"?
1. 0 answers
2. asked by caroline
3. 585 views
Information about endangered achalas four-eyed frog. Please, help
1. 2 answers
2. asked by Anonymous
3. 584 views
A small 6.8 g plastic ball is suspended by a37.3 cm long string in a uniform electric field of 4790 N/C, as shown. The
1. 1 answer
2. asked by Anonymous
3. 581 views
A mixture of gas contains 1.25g of N2, 1.25g of O2, and 1.25g of He in 2.50 L container at 25 C. Find the partial pressure of N2
1. 2 answers
2. asked by Caroline
3. 573 views
Does anyone know what the difference between analytical and expressive lines are and where I can find some art examples of each?
1. 1 answer
2. asked by Joe
3. 572 views
Create a 750-1,050 word survival guide that will serve a a resource throughout your program. Your guide should be formatted as a
1. 4 answers
2. asked by monique
3. 568 views
Suppose you forget to add sodium carbonate to your tea solution prior to extraction. What effect would this have on your yield,
1. 0 answers
2. asked by sunny
3. 563 views

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