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July 23, 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: 55,777

Soil Science, HELP!!
Given the following soil properties, find the % of water by weight at soil saturation with water: Moist sample weight: 202.16 Oven dry sample weight: 197.8 Bulk Volume:118.86 Particle Volume Density: 73.73 Soil bulk density: 1.66 soil particle density: 2.68 % pore space: 38.06...
October 8, 2014 by Trenton

physics
To tighten a bolt, you push with a force of 84N at the end of a wrench handle that is 0.24m from the axis of the bolt. If you move your hand inward to be only 0.10 m from the bolt, find the force that you should exert to achieve the same torque.
September 28, 2014 by leonardo

college physics
By immersing a crown in water its volume is 26inc^3=4.2x10^-4m^3. what would its weight be if it were pure gold? What would its weight be if its volume were half gold and half lead?
October 1, 2012 by tiffany

Math
If the surface area of a certain body of water is 200 ft ^2 and the surface area to volume ration is 1:13; what is the volume of the body of water? I can't figure out the formula and answer to this problem.
January 21, 2013 by Diana M

Calculus I
The volume of a sphere is changing at a rate of 8pi cm/sec. What is the rate of change of its surface area when the radius is 1? (the volume of a sphere is given by V=4/3pir^3 and its surface area, by A=4pi r ^2).
April 12, 2016 by Brianna

math/algebra
The surface area of a rectangular prism is SA=2lw+2wh+2lh. The volume of a rectangular prism is V=lwh. Write an expression for the ration of surface area to volume.
June 9, 2016 by james

math
2. sylvia has 6 1/2 boxes of chocolate to share at a family picnic. if she gives each person 1/3 of a box, how many people can recieve chocolate? 13 17 19 21 3.which of these numbers is not rational? square root 3 0.25 1/5 square root 9 4. a student's work to solve 2 6/7 ...
October 25, 2014 by kthy

economics
With proportional income tax, a. The tax multiplier equals (MPC)(1-MPC) b. The tax multiplier equals MPC/(1-MPC) c. The spending multiplier equals (MPC)/(1-MPC) d. The spending multiplier equals 1/[1-MPC(1-t)] e. The spending multiplier equals 1/[1-(MPC)t] Suppose the economy...
May 23, 2010 by Sarah

For Hannah
Re http://www.jiskha.com/display.cgi?id=1369225544 Sorry to have caused confusion for you Hannah. In your original post, you had 3 different problems, the first two were "volume" questions. When I did the third one, which was simply finding an area, I committed the common ...
May 22, 2013 by Reiny

finance
An investor estimates that next years sales for New World Products should amount to about $75 million. The company has 2.5 million shares outstanding, gener- ates a net profit margin of about 5% , and has a payout ratio of 50% . All figures are expected to hold for next year...
May 24, 2012 by chris

English
Reread the following paragraphs from King's letter, paying attention to the way that he structures his ideas: Paragraph 2 of 12 In any nonviolent campaign there are four basic steps: (1) Collection of the facts to determine whether injustices are alive; (2) Negotiation; (3) ...
December 4, 2015 by Isabella

physics
The radius of a roll of paper is 7.6 cm and its moment of inertia is I = 2.9 10^3 kgm2. A force of 3.2 N is exerted on the end of the roll for 1.3 s, but the paper does not tear so it begins to unroll. A constant friction torque of 0.11 mN is exerted on the roll which ...
May 8, 2016 by Anne

statistics
Air America is considering a new policy of booking as many as 400 persons on an airplane that can sear only 350. (Past studies have revealed that only 85% of the booked passengers actually arrive for the flight.) Estimate the probability that if Air America books 400 persons, ...
March 8, 2012 by Anonymous

Physics
A golf ball is released from rest from the top of a very tall building. Choose a coordinate system whose origin is at the starting point of the ball, and whose y axis points vertically upward. The acceleration of gravity is 9.8 m/s^2. a.Neglecting air resistance, calculate the...
February 9, 2014 by Fabricus

Math
I have the answer to the first part of the question, which is What is the volume of Ted's Submarine model. The answer is 490.08=volume. The second part of the question is if 1 inch in the model represents 20 feet in the actual submarine, what is the volume of the actual ...
February 25, 2013 by Lia

Chemistry
Imagine that you have a 7.00L gas tank and a 4.00L gas tank. You need to fill one tank with oxygen and the other with acetylene to use in conjunction with your welding torch. If you fill the larger tank with oxygen to a pressure of 145atm , to what pressure should you fill the...
October 10, 2014 by Anonymous

Chemistry
Imagine that you have a 7.00L gas tank and a 4.00L gas tank. You need to fill one tank with oxygen and the other with acetylene to use in conjunction with your welding torch. If you fill the larger tank with oxygen to a pressure of 145atm , to what pressure should you fill the...
January 15, 2015 by James

UNSCRAMBLE
UNSCRAMBLE THIS WORD SERRAY I tried this http://www.ssynth.co.uk/~gay/anagram.html and this http://www.unscramble.net No results... =( Yes, rar! , rayers(those who "ray")? , ryears (as distinct from qyears)? is the word supposed to be english?
November 17, 2006 by SHAUNA

physics
4.8mF capacitor in series with 500 ohm resistor is connected, via a switch, to a 12V battery. What is the current through the resistor at t=1.0s after the switch is closed? I tried doing I^2R = 1/2 CV^2 and solving for I but the answer wasn't correct. can some1 please help? ...
February 13, 2009 by lauren

bashyam
For the circuit shown in the figure, letε=14 V. Initially the switch is open and the capacitor is uncharged. When the switch is closed, there is an initial instantaneous current of 1.00 mA in the resistor. Two seconds later the current through the resistor has fallen to 0...
June 28, 2012 by fdbb

Physics
What force would you have to exert on a 326-N trunk up a 19.0 inclined plane so that it would slide down the plane with a constant velocity? What would be the direction of the force? (The coefficient of friction between the plane and the trunk is 0.328.) The force of friction...
December 16, 2007 by Jane

physics
One of two 207.0 kg crates is dragged across the floor at a constant speed with a horizontal force of 197.0 N. How much force would it take to drag them both across the floor if they are tied together one behind the other? How much force would it take to drag them both across ...
December 4, 2010 by sky

physics
One of two 207.0 kg crates is dragged across the floor at a constant speed with a horizontal force of 197.0 N. How much force would it take to drag them both across the floor if they are tied together one behind the other? How much force would it take to drag them both across ...
December 4, 2010 by helena

chemistry
Got my as chemistry practical next week on OCR. Really stuck on it, dont know how to work out how the expected volume of CO2 is greater than that is obtained. Looked at the mark scheme ocr chemistry evalutative task specimen , but its not much help as it only gives the final ...
March 31, 2012 by anonymous

Chemistry help please
You have two sealed jars of water at the same temperature. In the first jar there is a large amount of water. In the second jar there is a small amount of water. how the vapor pressure of water in the first jar compares with the vapor pressure of water in the second jar.
March 11, 2015 by Ciaria

science
Lab 1.1 Can somebody please, please help me with this lab?! I know it requires sketching and modeling which only i can do , but please, any help will be appreciated. I find these labs so hard to do, but my teacher said there's no alternative assignment and I HAVE to do them. ...
October 23, 2011 by JAY

science
Lab 1.1 Can somebody please, please help me with this lab?! I know it requires sketching and modeling which only i can do , but please, any help will be appreciated. I find these labs so hard to do, but my teacher said there's no alternative assignment and I HAVE to do them. ...
October 23, 2011 by JAY

history
its the name of an actor/actress lleewiaodmnac Try these: http://www.ssynth.co.uk/~gay/anagram.html http://www.unscramble.net =)
March 21, 2007 by Anonymous

physics (PLS HELP)
A hole is drilled with smooth sides straight through the center of the earth to the other side of the earth. The air is removed from this tube (and the tube doesn't fill up with water, liquid rock or iron from the core). An object is dropped into one end of the tube and just ...
October 18, 2013 by Anonymous

physics help (elena)
A hole is drilled with smooth sides straight through the center of the earth to the other side of the earth. The air is removed from this tube (and the tube doesn't fill up with water, liquid rock or iron from the core). An object is dropped into one end of the tube and just ...
October 18, 2013 by Anonymous

Physical Science
Why is the net charge of the nucleus always positive?
November 29, 2007 by Tasha

chemistry
What is the net ionic equation of AlPO4(s) dissolved in H3O+(aq)
March 12, 2009 by Priscilla

chemistry
What is the net ionic equation of AlPO4(s) dissolving in H3O+(aq)
March 12, 2009 by Jimmy S.

chemistry
the net ionic equation of the ionization of HClO3 in water
April 29, 2009 by Anonymous

science
what is a group of atoms having a net electrical charge
November 5, 2009 by rica

chemistry
how to write a net ionic equation of CaS+CuCl2
April 16, 2010 by jose

Chemistry
What is the net ionic equation for the ionization of HClO3 in water?
May 10, 2010 by Doug

Chemistry
what is the net ionic equation for NaH + H2O= NaOH +H2
June 28, 2010 by Alonda

chem
what are the net ionic equations for ClO3^-; Zn^2+ undergo hydrolysis?
October 2, 2010 by Andy

Eccpmonics
What % of Americans have a net worth of $750,000?
November 27, 2010 by Susan

Chemistry
Write a net ionic equation for Hg(C2H3O2)2 + NaI
February 13, 2011 by Jim

chemistry
what is the net ionic equation for tin + copper 2 sulfate?
April 23, 2011 by cee

PAP Chemistry
Net Ionic Equation of : NaOH(aq) + CaBr2(aq)
May 22, 2011 by June

chemistry
molecular and net ionic equations for FeCl3 + Na2S
June 21, 2011 by chelsea

physics
What is the net flux through the surface when charge is at the centre?
October 19, 2011 by hasan

physics
assign units and determine net forces in a situation.
January 24, 2012 by keria

biochem
What is the structure and net charges of Aspartate, Lysine and Alanine at pH 7.5
January 28, 2012 by age

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

Chemistry
KI+H2SO4 Write the balanced net ionic equation.
February 17, 2012 by Danny

Topics in Physical Science
Find the net electrostatic in N or Q2 due to Q1 + Q2
May 6, 2012 by Anonymous

chemistry
balance net Ionic solution AgNo3 + NaOH
January 25, 2013 by Jean

business math
2/10, n/30 find the complement and net amount paid
February 6, 2013 by helpme

Chemistry
What is the complete and net ionic equations for: Cu+Zn+2HCl--> ZnCl2+Cu+h2
March 1, 2013 by Mike

math
What is the net price factor for trade discounts of 25/15/10? (Points : 2.5)
June 8, 2013 by douny

algebra
What is the net price factor for trade discounts of 25/15/10? (Points : 2.5)
August 17, 2013 by dawn

maths for business
which of the following is not used to calculate net sales?
January 13, 2014 by chuddy

CHEM 111
What is the net ionic equation of Na3PO4 + NH4Cl=?
October 8, 2014 by Anonymous

Geometry
The ratio of the volume of Cylinder A to the volume of Cylinder B is 1:5. Cylinder A is similar to Cylinder C with a scale factor of 1:2 and Cylinder B is similar to Cylinder D with a scale factor of 1:3. What is the ratio of the volume of Cylinder C to the volume of Cylinder D?
May 13, 2014 by Anonymous

Physics -- check answers
1. In moving an object of mass 10 kg through a distance of 8.0 m, 40 J of work is done. The average force exerted is? my answer: 320N 2. What is the kinetic energy of a 20 kg object moving at a speed of 10 m/s? my answer: 1000J 3. the gravitational potential energy of a bird ...
February 23, 2014 by Lisa

Physics
A solid uniform sphere has a mass of 2.0 104 kg and a radius of 1.5 m. What is the magnitude of the gravitational force due to the sphere on a particle of mass m = 0.2 kg located at a distance of 1.6 m from the center of the sphere? What if it is 1.1 m from the center of the ...
February 13, 2007 by winterWX

chemistry(just to double check)
The initial pressure for the compounds involved in the reaction displayed were determined to be P(SO2(g)) = 0.5932 atm, P(O2(g)) = 0.4886 atm, P(SO3(g)) = 0.09287 atm. Calculate the value of the equilibrium constant (Kp) at 1000 K if the equilibrium pressure of O2(g) was 0....
April 6, 2010 by bme1

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

college physics
A block of weight = 35.0 N sits on a frictionless inclined plane, which makes an angle theta = 27.0 with respect to the horizontal. A force of magnitude = 15.9 N, applied parallel to the incline, is just sufficient to pull the block up the plane at constant speed. What is Wg, ...
February 25, 2010 by Anonymous

Physics
an 80 kg physics student is riding the cajun cliffhanger. this ride had a diameter of 8.0m (u:0.06)the ride produces enough centripetal force to suspend a student. 1.what is the force of friction to keep the student suspended? 2.what normal force is required to generate the ...
May 3, 2010 by Maira

Physics
A block of weight = 25.0 N sits on a frictionless inclined plane, which makes an angle = 34.0 with respect to the horizontal, as shown in the figure. A force of magnitude F= 14.0 N, applied parallel to the incline, is just sufficient to pull the block up the plane at constant ...
October 17, 2010 by Eden

Physics
A mass m1 = 4.1 kg rests on a frictionless table and connected by a massless string to another mass m2 = 5.9 kg. A force of magnitude F = 32.0 N pulls m1 to the left a distance d = 0.83 m. 1) How much work is done by the force F on the two block system? 2) How much work is ...
January 2, 2013 by Drew

Chemistry
What are the 4 categories included in the Periodic Table? There are many ways to categorize elements. I am uncertain how you got just four. The Originator of the four concepts did it this way... http://elements.vanderkrogt.net/chemical_symbols.html Maybe your teacher is ...
October 26, 2006 by Anonymous

Maths help
Hi MY question is if a cylinder has a volume of 72cm cubed and a cross-sectional area of 18cm squared. Work out the height of the cylinder Can someone show me how we do it by the steps The cross-section of a cylinder is a circle. so pi(r)^2=18 solve for r let the height be h ...
April 23, 2007 by Ali

Pre-Calculus
As a balloon in the shape of a sphere is being blown up, the radius is increasing 1/pi inches per second. At what rate is the volume increasing when the radius is 1 inch? I know that the volume of a sphere = 4/3(pi)r^3 I don't know what to do next. Figure dV/dt dV/dr *dr/dt= ...
May 30, 2007 by Corin

Chemistry
Calculate the volume (L) of the solute C4H8O and the volume (mL) of the solvent C2H5OH that should be combined to prepare 5.54 kg of a solution that is 0.608 m. Molar Mass (g/mol) C4H8O 72.12 C2H5OH 46.07 Density (kg/L): C4H8O 0.8892 C2H5OH 0.7893 Name/Formula: tetrahydrofuran...
February 14, 2010 by Jackie

physics
an antifreeze solution is made by mixing ethylene glycol (density= 1116 kg/m^3) with water. suppose that the specific gravity of such a solution is 1.0730. assuming that the total volume of the solution is the sum of its parts, determine the volume percentage of ethylene ...
November 20, 2010 by kai

chemistry
a real gas is introduced to a flask of volume v. is the corrected volume of the gas greater or less than V? Ammonia has a larger a value than neon does. What can you conclude about the relative strength of the attractive forces between molecules of ammonia and between atoms of...
November 2, 2012 by Justme

math
Business and finance. In a bottling company, a machine can fill a 2-liter bottle in 0.5 seconds and move the next bottle into place in 0.1 second how many 2-L bottles can be filled by the machine in 2 hour?
August 11, 2009 by sasha

Physics
A 150.0 g aluminum cup is filled with 450. g of water at 95℃. The combination cools uniformly by 1.20℃ per minute. At what rate (J/s) is thermal energy being removed from the combination?
April 25, 2010 by Kelly

Thermochemistry
If a chalice made of pure gold weighing 1.24 kg and initially at 15 C is filled with 100.0 mL of water at 89 C, what is the final equilibrium temperature of the system? The heat capacities of water and gold are 75.29 and 25.42 J/mol/K, respectively.
December 2, 2011 by LaurenB

Math
I just filled my car with gas we can go 25 miles on 1 gallon of gas and you can hold 14 gallons if I travel exactly 36 miles a day how many days can I drive before I have to fill it up again
January 28, 2016 by Joyce

Physics
A pulley with a rotational interia of 4.4*10^-3 kg m^2 about its axle and a radius of 6 cm is acted on by a force applied tangentially at its rim. The force magnitude varies in time as F=0.32t + 0.27t^2 where F is in newtons if t is given in seconds. The pulley is initially at...
November 16, 2009 by Rachel

Physics
{ The subscripts are in curly brackets } A mass m is at rest on a horizontal frictionless surface at t=0. Then a constant force F{0} acts on it for a time t{0}. Suddenly, the force doubles to 2F{0} and remains constant until t=2t{0}. Determine the total distance D traveled ...
September 16, 2010 by Phil

Physics
Three masses, M1= 4.1 kg, M2= 4.1 kg, and M3= 6.7 kg are made of the same material. They are on a horizontal surface and connected by massless strings. The system accelerates to the right at 2.47 m/s2 due to an external force F pulling on M3. Given that T1 is 20.22 N, ...
February 17, 2011 by Sarah

nqwiliso s.s.s.
three forces act on a body.forceof 30N and 25N act to east and a force of 40N acts to the west.draw a fully labelled scale vector diagram to find the magnitude and direction resultant force use 1 mm : 1N.
November 6, 2014 by sigwetsha liveni

Physics
Mere and Ruth investigated the relationship between the applied force, F, and the extension, x of a spring. The results they obtained are shown in the table below. Force F (N) Extension x (M) 0.0 0.0 2.0 0.033 4.0 0.066 6.0 0.099 8.0 0.132 10.0 0.165 state the type of ...
October 17, 2007 by Kate

Geometry
A 4-inch-thick concrete slab is being poured for a circular patio 10 feet in diameter. Concrete costs $50 per cubic yard. Find the cost of the concerte, to the nearest cent. Show how you come to your answer.
November 14, 2011 by christy

chemistry
Please help. My teacher never went over crystal lattices and the book doesn't cover it either :( Copper crystallizes in a face-centered cubic lattice. If the edge of the unit cell is 351pm, what is the radius of the copper atom?
December 10, 2012 by Jess

chemistry
today, i did a lab on the molar volume of hydrogen gas. in this experiment, we poured around 10 mL of hydrocholric acid into a gas collection tube with water and measured the volume of gas to be around 20.9 mL. would changing the molarity of the hydrochloric acid affect the ...
January 22, 2010 by CL

CHEMISTRY
If you use a dirty buret, the titrant leaves drops of solution behind as the meniscus descends during delivery of the solution. The volume actually delivered by the buret will be __________ the volume your readings of the buret scale indicate was delivered the same as less ...
October 7, 2014 by Anonymous

college physics
A 215 g sample of a substance is heated to 330 degrees C and then plunged into a 105 g aluminum calorimeter cup containing 165 g of water and a 17 g glass thermometer at 12.5 degrees C. The final temp is 35.0 degrees C. What is the specific heat of the substance?
May 6, 2010 by E

Chemistry
I am unsure of how to approach this question, any help would be greatly appreciated! "2.085g of PCl5 were heated to 250C in a 500mL vessel: PCl5 (g) ⇌ PCl3 (g) + Cl2 (g) Calculate the initial concentration of PCl5. At equilibrium the concentration of the chlorine is 0....
May 27, 2012 by ChemGeek

chemistry
A 0.0583 mol sample of formaldehyde vapour, CH2O, was placed in a heated 0.359 L vessel and some of it decomposed. The reaction is CH2O(g)---> H2(g) + CO(g). At equilibrium, the CH2O concentration was 0.0449 M. What is the value of Kc for this reaction? my answer was 0....
April 20, 2013 by alex

Science!
1. What would happen to an object if the force of gravity on Earth was decreased by half? (1 point) Its mass would decrease. Its weight would decrease.* Its density would decrease. Its volume would decrease. 2. Which of the following represents a heterogeneous mixture? (1 ...
March 20, 2015 by Bella

Science
1. What would happen to an object if the force of gravity on Earth was decreased by half? (1 point) Its mass would decrease. Its weight would decrease.* Its density would decrease. Its volume would decrease. 2. Which of the following represents a heterogeneous mixture? (1 ...
January 27, 2016 by Samantha

government
in a closed primary a. any voter may vote in any one party's primary b. voters may choose any candidates regardless of their parties c. candidates are not identified by party d. generally only registered party members may vote a
December 27, 2007 by jere

Physıcs
Formula force calculatıng force
February 2, 2014 by Murtala

math
A right cicular cylindrical can is to be constructed to have a volume of 57.749 cubic inches (one quart). The sides of the can are to be formed by rolling and welding a strip of metal, which may be purchased in rolls with width equal to the desired height of the can. The ...
November 29, 2006 by jenni

physics
sorry mr bob pursley to annoy you again. i read over hooke's law in wikipedia.but i don't know what is k.(my force constant. here my experiment and my values. i did three trials measured force applied of the elastic by streching 50 cm everytime. force applied average was = 5....
June 13, 2007 by physics(attempted)

science
In science, my question is What is the volume of a pea? 1)What does pea means? i think it is a fruite, buut i am not sure.. 2)I forgot what volume means in science. 3)i don't know what to do. AND 4)I NEED HELP!!!!!!!!!!
October 2, 2008 by Carly

eastlake emelentary
the formal for the volume of a cube is V=e to the third power where e is the length of a side of the cube. find the volume of a cube with side length of 6cm.
August 20, 2014 by Angela

English Song
( Is this called 'open parenthesis'? ) Is this called 'close parenthesis'? Or is this called 'closed parenthesis'?
April 15, 2008 by John

Physics
A venturi meter is a device for measuring the speed of a fluid within a pipe. The drawing shows a gas flowing at a speed v2 through a horizontal section of pipe whose cross-sectional area A2 = 0.0600 m2. The gas has a density of = 1.70 kg/m3. The Venturi meter has a cross-...
November 17, 2008 by kyle

Math
I don't understand this question, could someone solve/walk me through this? One afternoon in Fort Simpson, Northwest Territories, the air temperature was −10C and the wind speed was 25 km/h. The air temperature dropped by 5C in the evening, but the wind chill did not ...
February 5, 2014 by Dennis

PHYSICS
#1.) If the force of gravity on a human is 539 N determine the mass of the human. #2.) Draw a free body diagram for the following situation: a.) A 0.15 kg running shoe is pushed to the right, with a constant velocity, across a wet concrete floor with an applied force of 3.5 N...
February 3, 2013 by AMANDAAA

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