Thursday
May 5, 2016

Search: A cubic box of volume 3.7 10-2 m3 is filled with air at atmospheric pressure at 20°C. The box is closed and heated to 185°C. What is the net force on each side of the box?

Number of results: 54,938

Physics
A vertical cylindrical cylinder, closed at the bottom end, contains 0.0100 moles of gas. It is fitted at the top with a piston, which can move freely. The mass of the piston is 14.0 kg and the initial height of the piston above the bottom of the cylinder is 25 cm. What is the ...
December 5, 2010 by Matt

Physics!!!
A 24-V battery is connected in series with a resistor and an inductor, with R = 5.6 Ω and L = 2.0 H, respectively. (a) Find the energy stored in the inductor when the current reaches its maximum value. (b) Find the energy stored in the inductor one time constant after the...
February 27, 2012 by Help

Economics
Personal consumption expenditures $245 Net foreign factor income 4 Transfer payments 12 Rents 14 Statistical discrepancy 8 Consumption of fixed capital (depreciation) 27 Social Security contributions 20 Interest 13 Proprietors’ income 33 Net Exports 11 Dividends 16 ...
June 25, 2013 by Anonymous

UOS
A parallel plate capacitor has a capacitance of 7.0mF when filled with a dielectric. The area of each plate is 1.5m2 and the separation between the plates is 1.0x10-5m. What is the dielectric constant of the dielectric?
April 26, 2014 by ahmed

Chemistry
A gold nugget that weighs 20.053 g on the balance is lowered into a graduated cylinder filled with ethanol. If the initial ethanol level was 10.10 mL, what will the final ethanol level be?
September 6, 2014 by Izzy

Computer Science Java
I have to write program for a dice game and use a boolean variable in the application class of the dice game that equals true when snake eyes, doubles, and box cars have been meet. I am having a little trouble doing that in my application class so I was wondering if somebody ...
October 13, 2009 by Lisa

Physics
A factory worker pushes a 29.2kg crate a distance of 4.1m along a level floor at constant velocity by pushing downward at an angle of 28 degrees below the horizontal. The coefficient of kinetic friction between the crate and floor is 0.25. (a) What magnitude of force must the ...
March 17, 2014 by Garrett

Sandy
Hi, I need some help with this problem: The density of ice is 920 kg/m3, and that of sea water is 1030 kg/m3. What fraction of the total volume of an iceberg is exposed? I took the density of the iceberg divided by the density of the water and multiplied this by 100, but this ...
December 10, 2006 by Physics Problem

Reading/Language Arts
As Pedro scaled the ladder to the roof, he felt the blood in his c=veins pumping through his body. Vein can mean a blood vessel or a crack in a rock filled with mineral deposit. How is it used in this sentence? How can you tell?
September 24, 2015 by BUBBY

Logic and Design
You will need to design an application that it will prompt a user for their hourly pay rate, their hours worked, and whether they are single, married, divorced, or widowed. It will then calculate their gross and net pay. If they work more than 40 hours, overtime is calculated ...
May 17, 2011 by Harvey

english language arts
3. Identify the simple sentence. (1 point) A. In 1970, my mother graduated from Point Pleasant Boro High School. B. The gymnast swung around the bar, and the coach stepped on the mat. C. The tornado bypassed the town, but the townspeople remained in their shelters. D. The ...
December 30, 2012 by james

physics-magnetsism
A conducting slider (thick line) moves without friction along a vertical U-shaped conducting track (thin line) in a magnetic field. When the switch has been closed for a long time, what is the magnetic field magnitude inside the inductor in Tesla?
December 6, 2013 by A.J.J

Writing
Formulate a workable thesis statement for each of the following general subjects and topics. a. The importance of your family. Thesis: The success of a child depends on the support of his or her family. b. The difficulty of adjusting to college. Thesis: Despite the difficulty ...
September 15, 2015 by Anonymous

Physics
A crate full of artichokes rests on a ramp that is inclined 10.0° above the horizontal. Give the direction of the normal force and the friction force acting on the crate in each of these situations. (a) The crate is at rest. Normal Force : 1.perpendicular to and away from the ...
February 21, 2010 by max

Physics
A crate full of artichokes rests on a ramp that is inclined 10.0° above the horizontal. Give the direction of the normal force and the friction force acting on the crate in each of these situations. (a) The crate is at rest. Normal Force : 1.perpendicular to and away from the ...
February 22, 2010 by Max

math
A concrete sidewalk 3 feet wide, 18 feet long, and 4 inches thick contains how many cubic feet of concrete?
July 22, 2014 by Jimmy

Chemistry
How many atoms of mercury are present in 3.2 cubic centimeters of liquid mercury? The density of mercury is 13.55 g/cc. Answer in units of atoms.
September 16, 2015 by Nicole

Physics
A 2.03 kg mass is observed to accelerate at 8.82 m/s2 in a direction 28.8° north of east. There is a force directed north acting on the object and a force directed east acting on the object. What is the magnitude of the force acting east on the object?
November 1, 2010 by Mike

physicssss
A 0.69 kg mass is observed to accelerate at 8.16 m/s2 in a direction 30.5° north of east. There is a force directed north acting on the object and a force directed east acting on the object. What is the magnitude of the force acting east on the object?
November 3, 2010 by rob

physics
A 0.69 kg mass is observed to accelerate at 8.16 m/s2 in a direction 30.5° north of east. There is a force directed north acting on the object and a force directed east acting on the object. What is the magnitude of the force acting east on the object?
November 3, 2010 by rob

physics
A 0.69 kg mass is observed to accelerate at 8.16 m/s2 in a direction 30.5° north of east. There is a force directed north acting on the object and a force directed east acting on the object. What is the magnitude of the force acting east on the object?
November 3, 2010 by rob

physics
A 0.69 kg mass is observed to accelerate at 8.16 m/s2 in a direction 30.5° north of east. There is a force directed north acting on the object and a force directed east acting on the object. What is the magnitude of the force acting east on the object?
November 3, 2010 by rob

physics
A 10 kg crate is pulled up a rough incline with an initial speed of 1.5 m/s. The pulling force is 100 N parallel to the incline, which makes an angle of 20 degrees with the horizontal. If the coefficient of kinetic friction is .40 and the crate is pulled a distance of 5 m, (a...
October 22, 2007 by Anonymous

physics
A 10 kg crate is pulled up a rough incline with an initial speed of 1.5 m/s. The pulling force is 100 N parallel to the incline, which makes an angle of 20 degrees with the horizontal. If the coefficient of kinetic friction is .40 and the crate is pulled a distance of 5 m, (a...
October 23, 2007 by Anonymous

physics
A 10 kg crate is pulled up a rough incline with an initial speed of 1.5 m/s. The pulling force is 100 N parallel to the incline, which makes an angle of 20 degrees with the horizontal. If the coefficient of kinetic friction is .40 and the crate is pulled a distance of 5 m, (a...
May 3, 2016 by wency siatula

Chemistry
Consider the thermal decomposition of potassium chlorate. 2 KClO3(s) ---> 2 KCl(s) + 3 O2(g) A mixture containing KCl and KClO3 weighing 1.80 g was heated producing 1.40 x 102 mL of O2 gas at STP. What percent of the original mixture was KClO3?
February 7, 2016 by Ray

fundinjobo high science
a mass of 80 grams of hydrogen gas is heated with nitrogen gas to produce ammonia gas .what is the mass of ammonia that will be produced
August 14, 2014 by makhosazane

chem lab (webwork)
Which of the following is NOT true of colligative properties? Colligative properties are... A. dependent on the mass of solute present. B. independent of the chemical identity of the solute. C. responsible for lowering the vapor pressure of a solution versus the vapor pressure...
April 5, 2010 by UCI studebt

science 8th grade
ok, i don't have answer to these questions! #8: The interaction of air, water, and _________ causes weather. #9: Violent storms generally form where? #10:clouds form as warm air rises, expands, cools, and becomes saturated, and then _______________ condense(s) into tiny drops...
March 7, 2012 by sammie doodles :-)

physics
A bicycle wheel has a diameter of 64.2 cm and a mass of 1.79 kg. Assume that the wheel is a hoop with all of the mass concentrated on the outside radius. The bicycle is placed on a stationary stand and a resistive force of 115 N is applied tangent to the rim of the tire. A....
October 24, 2010 by A

Math
Find quadratic regressive equation for the following f' points; (x, f'(x)): (-4,74); (-3,39); -2,10; -1,-6; 0,-14; 1,-12; 2,0; 3,22; 4,55 It's something really complicated, and I'm later asked to find the original equation, which is a cubic function. Any idea on how I can do ...
February 9, 2016 by Betty

Physicsss
A typical virus is a packet of protein and DNA (or RNA) and can be spherical in shape. The influenza A virus is a spherical virus that has a diameter of 85 nm. If the volume of saliva coughed onto you by your friend with the flu is 0.023 cm3 and 10−9 of that volume ...
September 10, 2011 by Unknown

Biology
Is there a difference in muscle tone between the dominant forearm and the other forearm? This would depend on how much each arm is used or exercised. If the person greatly favors the either arm, that arm would have more "muscle tone." In exercising, many people exercise both ...
February 8, 2007 by JYD

Physics
A disk with a mass of 18 kg, a diameter of 50 cm, and a thickness of 8 cm is mounted on a rough horizontal axle as shown on the left in the figure. (There is a friction force between the axle and the disk.) The disk is initially at rest. A constant force, F = 70 N,is applied ...
October 24, 2010 by Donny

Physics
Blocks of mass 4, 8, and 24 kg are lined up from left to right in that order on a frictionless surface so each block is touching the next one. A rightward-pointing force of magnitude 15 N is applied to the left-most block. a.)What is the magnitude of the force that the middle ...
February 20, 2011 by Cesar

chemistry
A solution is made by adding 0.100 mole of ethyl ether to 0.841 mole of ethyl alcohol. If the vapor pressure of ethyl ether and ethyl alcohol at 20oC are 375 torr and 20.0 torr, respectively, the vapor pressure of the solution at 20oC (assuming ideal behavior) is: Answer
February 22, 2012 by renee

chemistry
A solution is made by adding 0.100 mole of ethyl ether to 0.841 mole of ethyl alcohol. If the vapor pressure of ethyl ether and ethyl alcohol at 20oC are 375 torr and 20.0 torr, respectively, the vapor pressure of the solution at 20oC (assuming ideal behavior) is: Answer
February 22, 2012 by renee

college chemistry
A solution is made by adding 0.100 mole of ethyl ether to 0.841 mole of ethyl alcohol. If the vapor pressure of ethyl ether and ethyl alcohol at 20oC are 375 torr and 20.0 torr, respectively, the vapor pressure of the solution at 20oC (assuming ideal behavior) is:
February 26, 2012 by renee

Physics
A 283 g air track glider moving at 0.69 m/s on a 2.4 m long air track collides elastically with a 467 g glider at rest in the middle of the horizontal track. The end of the track over which the struck glider moves is not frictionless, and the glider moves with a coefficient of...
December 12, 2014 by David

Physics
A 283 g air track glider moving at 0.69 m/s on a 2.4 m long air track collides elastically with a 467 g glider at rest in the middle of the horizontal track. The end of the track over which the struck glider moves is not frictionless, and the glider moves with a coefficient of...
December 14, 2014 by David

Chemistry
a change in pressure would have the greatest effect on the solubility of a A. solid in a liquid B. gas in a liquid C.liquid in a liquid D.liquid in a solid in an aqueous solution of potassium chloride, the solute is A. Cl B. KCl C. H20 D. K B for the aqueous solution one ...
March 26, 2007 by Kat

math
The cubic feet of a cylinder that's 12 3/4 inches wide and 16 inches wide?
January 27, 2016 by Anonymous

chemistry
LiOH and NaOH can each react with CO2 to form the metal carbonate and H2O. These reactions can be used to remove CO2 from the air in a spacecraft. a. Write a balanced equation for each reaction. b. Calculate the grams of NaOH and of LiOH that remove 288 g CO2 from the air. c. ...
June 2, 2010 by mikey d.

physics
A bike is hanging from a hook in a garage. Consider the following forces. (a) The force of the Earth pulling down on the bike. (b) The force of the bike pulling up on the Earth. (c) The force of the hook pulling up on the bike. (d) The force of the hook pulling down on the ...
February 19, 2010 by jared

Chemistry
A pool is 4.57 m long, 3.04 m wide, and 1.83 m deep. If the pool is completely filled with water, what will the weight of the pool be in pounds if 1 Kg=2.2 pounds.
September 17, 2012 by Emma

algebra
maddie has 13-, 5-, 4-, and 2-liter pitchers. If she starts with the 3 smaller pitchers filled with water, how can she have pitchers with 5,3, and 3 liters of water?
November 13, 2014 by Re

physics
hey guys i'm stuck on this one question and i need some help!! thanks, appreciate it..... one gallon of paint (volume=3.786 X 10^-3 m^3) covers an area of 25.0 m^2. what is the thickness of the paint on the wall?? could anybody please help guide me through this problem ...
August 19, 2007 by manny

physics (check my answers)
When the nuclear fuel in the sun is gone, the sun will collapse to a a. black hole b. white dwarf c. supernova d. neutron star My answer: I think its a black hole. If the mass of the Earth were suddenly doubled while the radius was unchanged, your weight would be? My answer: ...
February 17, 2007 by Jacob

geometry
John is putting in a concrete patio in his backyard. The dimensions of it are 12ft by 8ft by 6inches. If concrete costs $6.75 per cubic foot how much will the concrete cost for the patio
June 13, 2011 by Mani

math
an open water tank with length 20 m and width 15 m holds 4800 cubic metres of water.calculate the total surface area of the part of the tank in contact with water
January 26, 2016 by princess

Physics 2
Three point charges are fixed on the x-axis: 2.9×10−6 C at x = −0.45 m, −9.3×10−6 C at the origin, and 9.1×10−6 C at x = 0.32 m. Find the electrostatic force acting on the charge at the origin due to the other two charges. Let a positive value ...
July 18, 2015 by Skippy

Science
Hurricane Katrina, which hit the Gulf Coast of Louisiana and Mississippi on August 29, 2005, had the second lowest ever recorded barometric pressure at 920mb. Convert this pressure to units of atmospheres, and inches of Hg. 1 bar = 0.98692 atm 0.92 bar = 0.92*0.98692 atm = 0....
September 2, 2015 by Alexis

physics
A uniform bar 25 meters long weighs 10,000 Newton's. From end A weight of 2500 Newton's is hung. At B the other end of the bar, there is a weight of 3500 Newton's. An upward force of 3000 Newton's is exerted 4 meters from B, while and upward force of 4000 Newton's is exerted 8...
July 8, 2015 by G

Chemistry
Propose a method for determining the specific heat, Cp, for a metal like sodium which reacts with water. Allow the sodium to equilibrate in a metal calorimeter filled with inert gas. Measure the equilibrium temperature
March 21, 2007 by Mani

Chemistry
Which one is an acidic anhydrates? a. Na2O b. MgO c. CO2 No ideas. What does acidic anhydrates mean? Also, from my previous post, is iron the transition element with the inner third orbital partially filled? Thank you.
May 31, 2009 by Anonymous

PhySics
Using several bags filled with different amounts of the same item, take the mass of each and develop a procedure to determine the mass of a single item. (modelling milikan's oil drop experiment)
May 19, 2013 by HELP

business
Students buy significantly more ice cream filled cakes after the cake producer announces it is going bankrupt shift of the demand curve or movement along the demand curve
September 25, 2014 by kussmodar

English
I am ask to creat a table that lays out a day-by-day plan to use as a job aid for your employment search that spans 3 weeks. Please provide some examples. I know what I need to do planning for a job but creating a table, I don't understand. Please help. Thanks, cp Thank you ...
July 29, 2006 by chandara

Chemistry
Question: Suppose you have 557 ml of 0.0300M HCL and you want to make up a solution of HCL that has a pH of 1.831. What is the maximum volume (in liters) that you can make of this solution? I know that you can get the concentration of HCL using the pH given, but how do you ...
March 3, 2009 by eliz

English
The elements of persuasion are? Answers are Pace,volume,tone,repetition,action Pace,volume,tone,repetition,imagery Action,words,facial,expression,tone None of the above I think it is the second one thanks
March 7, 2014 by snow

chemistry
what is the equation for C6H12O6+NaOH+Cu(OH)2 C6H12O6+AgNO3+NH4OH AgNO3+NH4OH+ galactose when heated
October 16, 2010 by flans

Chemistry-Titration
Acid (Unknown) Solution: HCL Molar Ratio: 1:1 Volume:20 ml Concentration:? Base(Known) Solution: NaOH Molar Ratio 1:1 Volume 26 ml Concentration:0.1
March 8, 2010 by Karla

geometry
Given two spheres, if the volume of the first sphere is 36r, and the volume of the second sphere is 288r, what is the relation of the second radius to the first radius?
August 1, 2011 by sonia

Chem
Very hot zinc will react with steam to form zinc oxide and hydrogen. What volume of steam would be necessary in order to use up 20.0 g of zinc completely? What volume of hydrogen would be produced in this case? I NEED HELP WITH THIS!!..PLEASE = )
May 15, 2008 by Shelby

Economics
From 1962 to 1965, federal spending on non-defense-related education and training rose from $9.6 billion to $19.5 billion, while from 2001 to 2004, it rose from $178.4 billion to $217.5 billion. Given that the Consumer Price Index ( in January) was 30.0 in 1962, 31.2 in 1965, ...
January 29, 2009 by Brett

Physics
A student gets his car stuck in a snow drift. Not at a loss, having studied physics, he attaches one end of a stout rope to the vehicle and the other end to the trunk of a nearby tree, allowing for a small amount of slack. The student then exerts a force vector F on the center...
June 25, 2014 by Harley

Statistics
A popular casino in Windsor estimates that the chance that someone sitting at one of their Black Jack tables has a 0.35 probability of winning a given hand. Assume that all games played are independent. a. Isaac decides to play until his first win, and bets $50 per game. When ...
November 24, 2010 by Samuel

Advanced Accounting
Mr. White (invested $20,000) and Mr. Black (invested $10,000) are in a partnership to run a marketing firm. They share profits and losses in the ratio of 2:1, which is also the ratio of their initial investment in the business. Mr. White manages the office but Mr. Black gets ...
December 3, 2012 by Angie

PHYSICS
An applied force accelerates a 50-kg crate along a frictionless floor from rest to 5 m/s.The work performed by this force is most nearly 125 J 250 J(x) 500 J 625 J 1,250 J Can someone please explain this to me and help? I thought it was 250 J but my calculation was wrong.
June 2, 2012 by Chris

Chemistry
An example of a solution that exhibits a positive deviation from Raoult’s Law (total pressure is greater than expected) is a solution of acetone (CH3COCH3) and carbon disulfide (CS2). a) Draw Lewis structures for these molecules. Explain the deviation from ideal behavior in ...
March 11, 2012 by Laffy Taffy

accounting
Assume that Hickory Copany has the following data related to its accounts receivable: 2005 2006 net sales $1,425,000 $1,650,000 net receivables beginning of 2005:375,000 beginning of 2006:333,500 end of 2005:420,000 end of 2006:375,000 Use these data to compute accounts ...
November 8, 2007 by pioneer2006

chemistry
me again! got a question that really is trying! the isotope of ununhexium Uuh and it undergoes a succession of seven a-decay reactions. I need to find out what the final isotope would be as a result. And is the final product a lanthanide, an actinide, a transition element or a...
February 6, 2007 by bertie

physics
hello, i have this question. Calculate the average force of friction acting on a wooden block as it propelled along the floor? i have done the following solution first of all i don't know what average force of friction means? i found the Fapplied by strecthing the elastic 50 ...
June 5, 2007 by daniel

physics
Again, I know I keep posting questions but I'm begging you for help. At 25°C the vapour pressure of pure pentane is 511 torr and that of hexane is 150. torr. What is the mole fraction of pentane in a pentane-hexane solution that has a vapour pressure of 339 torr at 25°C? What ...
April 11, 2012 by anonymous

pre - CALCULUS
The wind chill factor represents the equivalent air temperature at a standard wind speed that would produce the same heat loss as the given temperature and wind speed. One formula for computing the equivalent temperature is 𝑡 W(t) = {33 − (10.45+10√𝑣...
April 9, 2015 by Ciara

chemistry
what is the net ionic reaction for coppper(II)chloride and sodium hydroxide?
October 2, 2007 by Avonlea

Chemistry
What is the net ionic equation for.... 1 Ca(NO3)2 + 1 K2CO3 ==> 1 CaCO3 + 2 KNO3
October 1, 2008 by Brittany

chemistry
what is the net ionic equation for calcuim chloride + sodium carbonate
April 29, 2009 by namila

art
i need a an example of a mask that has lots of information on the net plz.....
September 15, 2009 by Emerald

accounting
WHAT DOES SUPPRESS BALANCE SHEET NET INCOME FOR COMPARATIVES MEAN?
January 27, 2010 by Anonymous

math
if your monthly net pay is $1500 what is the recommended FHA minimum
April 8, 2010 by kk

chemistry
What is the net ionic equation for calcuim ion and ammonium oxalate?
September 28, 2010 by nichole

chemistry
write the balanced net ionic equation for this reaction Ba(OH)2+HCL-->
October 3, 2010 by amber

chemistry
what is the net ionic equation for FeSO4 + KCl = FeCl2 + K2SO4?
October 8, 2010 by Anonymous

chemistry prt 2
What is the net ionic equation of the reaction of MgCl2 with NaOH
October 11, 2010 by ej

chemistry prt 3
What is the net ionic equation of the reaction of MgSO4 with NaOH
October 11, 2010 by ej

chemistry
net ionic equations of nitric acid with CO3 2- and with PO4 3-.
October 13, 2010 by anon

chemistry
what is the net ionic equation for manganese sulfide and hydrobromic acid?
October 19, 2010 by sandra

college
I need to write a net ionic equation for Sr{2+}+ Hg2 + NaCL =
November 20, 2010 by Susan

chemistry
what is the net ionic equation, including phases, for the reaction of AgNO3 with Ba(OH)2
March 21, 2011 by bob

Science
Find Molecular and net ionic equation for Al(NO3)3 + Na2CO3
March 30, 2011 by unkown

chemistry
Find Molecular and net ionic equation for Al(NO3)3 + Na2CO3
March 31, 2011 by THE REAL DEAL

chemistry
Find Molecular and net ionic equation for Al(NO3)3 + Na2CO3
March 31, 2011 by THE REAL DEAL

Chem
what is the Net Ionic equation for: 1. MgCl2+NaOH-> 2. MgSO4+Sr(NO3)2->
November 11, 2011 by Hunter

math-geometry
what does a caster net of a 4th of a 3D circle look like
January 29, 2012 by shahriar alam

Chemistry
NaCl+H2SO4 Write the balanced net ionic equation.
February 17, 2012 by Alex

Chemistry
NaBr+H2SO4 Write the balanced net ionic equation.
February 17, 2012 by Alex

chemistry
KI+H2SO4+KIO3 Write the balanced net ionic equation.
February 18, 2012 by Greg

Chemistry
Ba(OH)2(aq)+2CH3COOH(aq)=Ba(CH3COO)2(aq)+2(l)H2O what is the net ionic equation with phases?
February 18, 2012 by Brad

math VERY URGENT
Are there any websites where i can make a 3d shape and see the net for it?
December 3, 2012 by Anonymous

  1. Pages:
  2. <<Prev
  3. 199
  4. 200
  5. 201
  6. 202
  7. 203
  8. 204
  9. 205
  10. 206
  11. 207
  12. 208
  13. 209
  14. 210
  15. 211
  16. 212
  17. 213
  18. Next>>