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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. 8,201 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. 8,110 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. 3,883 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. 3,245 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. 3,031 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. 2,911 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. 2,877 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. 2,855 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. 2,750 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. 2,528 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. 2,525 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. 2,409 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. 2,219 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. 2,077 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. 1,853 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. 1,821 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. 1,768 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. 1,724 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. 1,706 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. 1,703 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. 1,588 views
determine the coterminal angle between -360 and 360 for -540
1. 1 answer
2. asked by pete
3. 1,577 views
How many moles of water are contained in 0.250 mol of CuSo4 x 5H2O?
1. 3 answers
2. asked by yazmin
3. 1,550 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. 1,395 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. 1,372 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. 1,338 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. 1,327 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. 1,309 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. 1,297 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. 1,292 views
Determine the [H3O+] in a 0.3 M solution ofHClO4. Answer in units of M.
1. 1 answer
2. asked by hello
3. 1,276 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. 1,266 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. 1,256 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. 1,190 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. 1,154 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. 1,141 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. 1,137 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. 1,135 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. 1,134 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. 1,123 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. 1,116 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. 1,116 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. 1,089 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. 1,067 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. 1,025 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. 1,018 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. 1,013 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. 992 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. 991 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. 981 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. 977 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. 971 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. 970 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. 924 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. 914 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. 906 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. 892 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. 872 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. 869 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. 854 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. 854 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. 849 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. 830 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. 818 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. 812 views
what is the area between bulges of water in the ocean called?
1. 1 answer
2. asked by Michelle
3. 811 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. 775 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. 758 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. 756 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. 754 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. 750 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. 746 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. 742 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. 723 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. 722 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. 718 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. 714 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. 702 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. 701 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. 682 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. 672 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. 669 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. 664 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. 663 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. 662 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. 660 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. 660 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. 652 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. 638 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. 629 views
How to find an online typing program?
1. 1 answer
2. asked by Henry
3. 628 views
What Is The Defition of Human Geographic Factors?
1. 5 answers
2. asked by Ashley
3. 622 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. 621 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. 620 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. 611 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. 607 views
Information about endangered achalas four-eyed frog. Please, help
1. 2 answers
2. asked by Anonymous
3. 604 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. 603 views
In checking the angles of a section of a bridge support, an engineer finds the expression sin(2 cos-1 0.70). Write a paragraph
1. 1 answer
2. asked by mike
3. 595 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. 595 views

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