Saturday
December 3, 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: 57,489

Hydrology
assuming a peak flow velocity of 3 m/s determine culvert diameter if peak flow rate will 9790 cubic metres per second
November 11, 2007 by mohameed

physics
assuming a peak flow velocity of 3 m/s determine culvert diameter if peak flow rate will 9790 cubic metres per second
November 12, 2007 by Anonymous

precalc
the graph of a cubic function has a local min at (5,-3) and a point of symmetry at (0,4). At what point does a local maximum occur? i don't quite know how to figure this one out, any help?
February 11, 2008 by Kate

algebra
Suggest a cubic that would best approximate a sine wave (f(x) = sin(x)) over the interval 0 less than or equal to x less than or equal to 2pi
May 7, 2008 by Alex

chemistry
The body-centered cubic unit cell of a particular crystalline form of silver is 2.2887A on each side. Calculate the density of this form of silver?
December 10, 2009 by Ericka

chemistry
Vanadium crystalizes in a body centered cubic lattice (the V atoms occupy only the lattice points) how many V atoms are present in a unit cell?
January 20, 2011 by Angela

math
an aquarium holding african cichlids is 2 inches higher than it is wide. Its length is 29 inches and its volumne is 3480 cubic inches. what is the height and width inches.
March 22, 2013 by toni

math
How many gallons of water are needed to raise the level of a swimming pool 75' x 42' four inches above its present level? ( 1 cubic foot= 7 1/2 gallons )
September 14, 2014 by vincent

MAT 142
What is the cost of concrete for a walkway that is 15 feet long, 8 feet wide and 9 inches deep if the concrete costs $30 per cubic yard?
April 30, 2015 by Olivia

Math
A round silo is 55 feet tall and has a 18 foot radius. How high would a load of 31000 cubic feet of grain fill the silo?
October 7, 2015 by Julie

math
A spherical helium balloon has a diameter of 30 cm. How much helium is needed to fill the balloon, in cubic centimeters? Round your answer to the nearest centimeter
November 15, 2016 by emerson

CHemistry Help pleaseee
Imagine that you have a 6.00 L gas tank and a 3.00 L 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 115 atm, to what pressure should you fill ...
October 13, 2008 by Sara

chemistry
Imagine that you have a 5.00L gas tank and a 3.50L 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...
November 18, 2011 by unknown

Chemistry
Imagine that you have a 7.00L gas tank and a 3.50L 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 135atm , to what pressure should you fill the...
August 20, 2014 by De'Brickashaw

Geometry
Two forces are pushing on an object, one at 12 lbs of Force and one at 5.66 lbs of Force. The angle between them is 35° (each is 72.5 from horizontal, such that the forces make a v with the object in the center). 17. What is the total Force on the object? 18. What is the ...
June 5, 2012 by Amber

Physics
A 2kg mass, m1 and a 10 kg mass, m2 are in contact on a horizontal frictionless surface. a constant horizontal force 13.7 N in the positive X direction is applied to m1 and a constant horizontal force 10.7 N in the negative X direction is applied to m2. the masses stay in ...
February 4, 2016 by S

Physics
A 1200 kg car pushes a 2100 kg truck that has a dead battery to the right. When the driver steps on the accelerator, the drive wheels of the car push against the ground with a force of 4500 N . What is the magnitude of the force the car applies to the truck? What is the ...
November 1, 2011 by Help Physics college

Lang Arts
3. Identify the simple sentence. In 1970, my mother graduated from Point Pleasant Boro High School. The gymnast swung around the bar, and the coach stepped on the mat. The tornado bypassed the town, but the townspeople remained in their shelters. The factory closed its doors, ...
December 10, 2012 by Jman

Language arts-1 question
Which of these are simple sentence? In 1970, my mother graduated from Point Pleasant Boro High School. The gymnast swung around the bar, and the coach stepped on the mat. The tornado bypassed the town, but the townspeople remained in their shelters. The factory closed its ...
January 5, 2014 by Princess Anna

Chemistry
Write rate law expressions? 2NOCl(g) --> 2NO(g) + Cl2(g) S2O3^2-(aq) + H^+(aq) --> HSO3^-(aq) + S(s) (Sulfur initially forms a colloid solution so it can be treated as aqueous.) (1) Write the rate law expression for the above reactions, assuming these are elementary. (2...
May 21, 2008 by Donna

Physic
In a dramatic lecture demonstration, a physics professor blows hard across the top of a copper penny that is at rest on a level desk. By doing this at the right speed, he can get the penny to accelerate vertically, into the airstream, and then deflect it into a tray. Assuming ...
May 7, 2011 by Chao

History
My question is Egyptian portrait masks were often made of this material? Egyptian portrait or funeral masks were made of wood, plaster, cartonnage, or even precious metals such as gold. This site has more information. http://www.touregypt.net/featurestories/masks.htm i have a ...
October 16, 2006 by Rilee

Math
Find the volume of the figure if the radius of the hemisphere and cylinder is 6 inches and the height of the cylinder is 12 inches. Find the volume in terms of pi.
February 3, 2016 by Khila

biology
There is a beaker with 0.4% sucrose solution and the solute potential is -4. Inside the beaker, there is a dialysis bag with 01% sucrose solution, solute potential -1 and pressure potential 0. When the beaker is open to the atmosphere, what is the pressure potential of the ...
March 8, 2009 by izzy

Chemistry
The rate law for the reaction NO + O3 > NO2 is rate= k[NO][O3]. What will the effect on the reaction rate if the partial pressure of NO is doubled? What will the effect if the partial pressure of O2 is tripled? Just for clarification: NO will be doubled and O3 would be ...
August 6, 2015 by Liane

math
Write an expression from the model below and then simplify the expression. Positive Negative Which equation is modeled on the number line below? (-56)/(-8) = 3- (-4)= 7.1 (Rational Numbers) No Calculators Fill in the chart below. Base of 10 Whole Number or Fraction Decimal ...
February 2, 2012 by Michelle

Physics
On a windless day, a sailor (m=75kg) decides he wants to go sailing (=300kg). In order to move on this windless day, he decides to mount a powerful battery operated fan )m=(20 kg) on the back of his sailboat and points the running fan at the sail. The fan can deliver air that ...
October 16, 2016 by Lester

Chemistry
Block A of an unknown metal has a volume of 125cm^3 . Block B of a different metal has a volume of 145cm^3. If block A has a greater mass than block B, what can be said if the relative densities of two metal?
January 18, 2013 by Quan

Biology
When cells increase in size, the surface area to volume ratio decreases. But which surface area to volume ratio is better to the cell as well as to the organism? The larger or smaller ratio?
February 26, 2013 by Mengistu

Physics
Blocks with masses of 1 kilogram, kilogram, and 3 kilogram are lined up in a row on a frictionless table. All three are pushed forward by a 12 Newton Force applied to the 1 kilogram block. Draw a free body diagram of all 3 blocks. How much force does the 2 kilogram block ...
November 9, 2016 by Anonymous

chem
A 3.48 gram sample of sodium sulfate hydrate lost 1.35 gram of water when heated to constant weight. What is the formula of the hydrate? this is what I did, but I am stuck. Na2SO4 . H2O------> NA2SO4+H20
April 2, 2009 by Jenny

physicss
A 0.190 kg piece of copper is heated and fashioned into a bracelet. The amount of energy transferred as heat to the copper is 6.62 x 10^4 J. If the specific heat of copper is 387 J/kg x °C, what is the change in temp of the copper?
November 1, 2009 by arriell

phys
A 0.190 kg piece of copper is heated and fashioned into a bracelet. The amount of energy transferred as heat to the copper is 6.62 x 10^4 J. If the specific heat of copper is 387 J/kg x °C, what is the change in temp of the copper?
November 2, 2009 by abbigail

Physics
In a lab experiment, 45 grams of a metal are heated from 22⁰C to 78⁰C by the addition of 450 J of heat. What is the specific heat of the metal? Show all calculations leading to an answer.
December 4, 2015 by lexi

Math
In a bottling company, a machine can fill a 2-liter (L) bottle in 0.5 seconds and move the next bottle into place in 0.1 s. How many 2-l bottles can be filled by the machine in 2 h?
January 28, 2009 by Dana

math
In a bottling company, a machine can fill a 2-liter (L) bottle in 0.5 second (s) and move the next bottle into place in 0.1 s. How many 2-L bottles can be filled by the machine in 2 h?
February 17, 2009 by nikki

Chemistry
12.00 g of sugar is dissolved in some water in a cylinder of diameter 7.00 cm. To what height should the cylinder be filled (with more water) to produce a solution with concentration 11.00 g/dm^3?
January 20, 2011 by Henry

science
a burette had 10ml of water in it before it was filled with NaOH. would this increase, decrease, or not affect the molarity of NaOH in the burette? Explain!
March 31, 2011 by maria

math
a tank can be filled by one pipe in 3 .5 hours and emptied by another in 4.2 hours.if both ipes are running, how long will it take to fill an empty tank?
October 20, 2011 by patel

math
a tank can be filled by one pipe in 3.5 hours and emptied by another in 4.2 hours. if both pipes are running, how long will take to fill an empty tank ?
October 21, 2011 by patel

maths
a tank can be filled by one pipe in 3.5 hours and emptied by another in 4.2 hours. if both pipes are running, how long will take to fill an empty tank ?
October 21, 2011 by patel

maths
a tank can be filled by one pipe in 3.5 hours and emptied by another in 4.2 hours. if both pipes are running, how long will take to fill an empty tank ?
October 21, 2011 by patel

Grammar
The gallbladder is partially filled with many small stones, they are mobile. A) complete sentence B) fragment C) run-on This is tricky too, shouldn't it say "and they are" to be complete? I say it is b or c
October 9, 2012 by Marie

Math
A bottle contains some milk. Three glasses of capacity 4l,6l,and 8l are to be filled an exact number of times from it. What must be the least capacity of the bottle.
January 26, 2015 by Noor

Math
A bottle contains some milk. Three glasses of capacity 4l,6l,and 8l are to be filled an exact number of times from it. What must be the least capacity of the bottle.
January 26, 2015 by Noor

calculus
A 12,000 liter tank filled to capacity at t=0 drains at rate r(t), measured in liters per hour, where r is defined as piece-wise function: r(t)={ (600t)/(t+3), [0,5] {1000e^(-0.2t), (5,infinity) Is r continuous at t=5? Show work that lead to you answer.
November 25, 2012 by nico

English
To answer the question below, use an idea that you generated in Part 2 of Lesson 2 or come up with a new idea. In the text box provided below indicate the following; The writing idea The kinds of questions you will be writing (Informational , Personal, or Creative) Then type ...
February 14, 2012 by Nannielee

science
as the speed of a fluid increases the pressure decreases. as the speed of the fluid decreases, the pressure increases. what is this called?
April 6, 2008 by troy

Physics
Consider the hip joint. The bones are normally not in direct contact , but instead are covered with cartilage to reduce friction. The space between them is filled with synovial fluid, which reduces the friction further. Due to this fluid, the coefficient of kinetic friction ...
March 8, 2016 by tom

Physics
Consider the hip joint. The bones are normally not in direct contact , but instead are covered with cartilage to reduce friction. The space between them is filled with synovial fluid, which reduces the friction further. Due to this fluid, the coefficient of kinetic friction ...
March 8, 2016 by tom

physics
Consider the hip joint. The bones are normally not in direct contact , but instead are covered with cartilage to reduce friction. The space between them is filled with synovial fluid, which reduces the friction further. Due to this fluid, the coefficient of kinetic friction ...
March 8, 2016 by vanessa

help!!! physics
you want to nail a 1.6 kg board onto the wall of a barn. to position the board before nailing, you push it against the wall with a horizontal force to keep it from sliding to the ground. (a) if the coefficient of static friction between the board and wall is .79, what is the ...
November 3, 2010 by stephanie

chemistry
a chemical reaction occuring in a cylinder equipped with a moveable piston produces 0.58 mol of a gaseous product. If the cylinder contained 0.11 mol odf gas before the reaction and had an initial volume of 2.1 L, what was its volume after the reaction
May 15, 2011 by celina

Chemistry help please
At pressures greater than 60,000 kPa, how does the volume of a real gas compare with the volume of an ideal gas under the same conditions? A.)It is much greater. B.)It is much less. C.)There is no difference. D.)It depends on the type of gas. I think it is A. Thank You.
January 20, 2013 by Deborah

health
Adults and children should limit their intake of sodium because? A. Keeping blood pressure in the normal range reduces an individual’s risk of cardiovascular disease, conges¬tive heart failure, and kidney disease. B. Keeping blood pressure in the normal range reduces ...
September 20, 2012 by Anonymous

physics
Two stars are 3.80 1011 m apart and are equally distant from the earth. A telescope has an objective lens with a diameter of 1.19 m and just detects these stars as separate objects. Assume that light of wavelength 550 nm is being observed. Also assume that diffraction effects...
April 15, 2012 by linds

physics
Two stars are 2.4 × 1011 m apart and are equally distant from the earth. A telescope has an objective lens with a diameter of 1.72 m and just detects these stars as separate objects. Assume that light of wavelength 590 nm is being observed. Also, assume that diffraction ...
May 7, 2013 by Ashley

physics
Two stars are 4.40 1011 m apart and are equally distant from the earth. A telescope has an objective lens with a diameter of 1.03 m and just detects these stars as separate objects. Assume that light of wavelength 550 nm is being observed. Also assume that diffraction effects...
April 18, 2014 by Ethan

Physics
An artillery shell is fired at an angle of 32.2◦ above the horizontal ground with an initial speed of 1610 m/s. The acceleration of gravity is 9.8 m/s 2. Find the total time of flight of the shell, neglecting air resistance. Answer in units of min Find its ...
October 18, 2011 by Jem

Science HW - - - check my answers?
1. Compare the two light waves above. Which wave would produce the brightest light and which wave would have the least energy? a. wave A; wave A b. wave A; wave B c. wave B; wave A d. wave B; wave B 2. Which waves have the longest wavelength and lowest energy on the ...
March 5, 2014 by Chevelle

Physics - URGENT
The seventh harmonic of a one end closed pipe organ has a frequency of 732 Hz, on a day when the temperature is 10 degrees Celsius. How long is the pipe? How long would it be for 732 to be the first harmonic?
February 3, 2009 by Carl

Physics
A PVC pipe that is one meter long is struck and the speed of sound is 345 m/s. What is the fundamental frequency (n=1) of the pipe when: a. The pipe is open at both ends? b. The pipe is closed at one end, open at the other?
June 29, 2009 by Sarah

Physics
A PVC pipe that is one meter long is struck and the speed of sound is 345 m/s. What is the fundamental frequency (n=1) of the pipe when: a.The pipe is open at both ends? b.The pipe is closed at one end, open at the other?
June 30, 2009 by Sarah

physics mechanical energy and power
A car m = 1850 kg is traveling at a constant speed of v = 30 m/s. The car experiences a force of drag (air resistance) of Fd = 300 N. Write an expression for the power the car must produce Pi to maintain its speed. Part (b) What is the power in HP? No Attempt No Attempt Part (...
October 7, 2013 by carlo

Physics
The Circuit contains a resistor R1, Resistor with R2 and an inductance L in series with a battery of emf ε0=V0 . R2 having a switch in parallel, the switch S is initially closed. At t = 0, the switch S is opened, so that an additional very large resistance R2 (with R2>...
April 13, 2013 by tanvir ali

essay edit excerpt
can someone edit this? The Monroe Doctrine allowed the president to extend his diplomatic power by specifying that he can provide for defense against other nations. Prior to this document’s establishment, the Neutrality Proclamation set the skeleton of the President’s ...
March 5, 2015 by christine

Chemistry - Heat of Fusion
When water is frozen into ice cubes in the freezer, where does the released heat go? I think it just goes into the air in the freezer, nowhere special. Because won't the heat become cold air then? That's right. The heat just adds to the heat load that the freezer/refrigerator ...
April 24, 2007 by M and V

physics
At a track-and-field meet, the best long jump is measured as 8.00 m. The jumper took off at an angle of 46° to the horizontal. (a) What was the jumper’s initial speed? (Neglect air resistance.) 1 m/s (b) If there were another meet on the Moon and the same jumper could ...
October 20, 2011 by joe

Physics
High-heeled shoes can cause tremendous pressure to be applied to the floor. Suppose the radius of a heel is 6.00 10-3 m. At times during a normal walking motion, nearly the entire body weight acts perpendicular to the surface of such a heel. Find the pressure that is applied ...
April 8, 2007 by Mary

Physics
You observe an arti cial satellite orbiting the earth and estimate it is at an altitude h = [03] km above the earth's surface and has a mass m = 3500 kg. You wish to calculate when the satellite will be back in the same position. From the second law of motion and the ...
April 1, 2010 by Adrianne

CHEM
A 5.10-g sample of iron is heated from 36.0oC to 75.0oC. The amount of energy required is 89.54 J. The specific heat capacity of this sample of iron is
May 16, 2011 by jann

math
Freda Pulliam and Yank Hardy are on opposite sides of a canal, pulling a barge with tow ropes. Freda exerts a force of 50 pounds at 20 degrees to the canal, and Yank pulls at an angle of 15 degrees with just enough force so that the resultant force vector is directly along the...
April 18, 2013 by shrijana

Chemistry
A steel cylinder contains 98.0 moles of oxygen gas at temperature of 38 degree Celsius and a pressure of 740 torr. After some of the oxygen gas has been used, the pressure is reduced to 332 torr at a temperature of 24 degree Celsius. What mass of oxygen gas is removed from the...
February 3, 2011 by K

chemistry
Determine whether ∆H is equal to, greater than, or less than ∆U for the following reactions. Keep in mind that “greater than” means more positive or less negative, and “less than” means less positive or more negative. Assume that the only significant change...
February 6, 2011 by danny

science
3 forces act concurrently on an object. First force acts 75 N north. 2nd acts 100 N east. 3rd acts 89 N at 15 degrees south of west. What is resultant force? b) what is equilibrant?
January 10, 2011 by anonymous

physics
a man applies a force of 220 N horizontally to the right against a 50 kg crate. the force of friction between the crate and the floor is 200 N. if the crate is pushed 2.0 m, the work done is.... What formula would be applicable?
December 4, 2011 by Connor

Physics
A block (weight= 10kg) is sitting on a surface with friction (coefficient= 0.5). A force (push) is applied to the end of the block, 35 degrees below the horizontal. Calculate the magnitude of the force to move the block.
October 16, 2012 by Frederic

Physics
A 1410-kg submarine rises straight up towards the surface. Seawater exerts both an upward buoyant force of 16760 N on the submarine, as well as a downward resistive force of 1080 N. What is the submarine's acceleration?
October 23, 2014 by Tami

PHYSICS
A 1420-kg submarine rises straight up towards the surface. Seawater exerts both an upward buoyant force of 16930 N on the submarine, as well as a downward resistive force of 1030 N. What is the submarine's acceleration?
October 5, 2015 by Anonymous

Physics
Starting from rest, a 5kg block slides 2.5 m down a rough 30o incline in 2 seconds. Find a) the work done by the force of gravity. b) the work done by friction. c) the work done by the normal force Do part b last
October 19, 2016 by Anonymous

algebra II
An aircraft flew 6 hours with the wind. The return trip took 7 hours against the wind. If the speed of the plane in still air is 276 miles per hour more than the speed of the wind, find the wind speed and the speed of the plane in still air. The wind soeed was ______ mph.
October 21, 2010 by Anonymous

Friction and Gravity
Question #1: If the net force on an object is 0 N, the forces are considered unbalanced. a. true b. false I think that the answer is "b" since unbalanced forces causes objects to move and have like 5 N or so on. Question #2: Most people in the United States use feet and miles ...
February 10, 2016 by Gourami

PHYSICS
On a windless day, a sailor (m = 75 kg) decides he wants to go sailing in his sailboat (m = 300 kg). In order to move on this windless day, he decides to mount a powerful battery-operated fan (m = 20 kg) on the back of his sailboat and ponits the running fan at the sail. The ...
October 17, 2016 by LESTER

Calculus
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 28, 2006 by Mike

Physics
Two electrostatic point charges of +60.0 uC and +50.c uC exert a repulsive force on each other of 175 N. What is the distance between the two charges? So let's say I use Coulomb's law would the repulsion of 175 N be considered the equivalent of the electric force? Can someone ...
January 17, 2011 by Pablo

physics
A baby elephant is stuck in a mud hole. To help pull it out, game keepers use a rope to apply a force FA, as part a of the drawing shows. By itself, however, force FA is insufficient. Therefore, two additional forces FB and FC are applied, as in part b of the drawing. Each of ...
January 30, 2011 by thaokieu

english
Which of the following shows the comma(s) in the right position(s)? A. Juan, and Mason play well together. B. Jimmy closed his eyes, and counted to twenty. C. Jose, Juan, Mason, and Jimmy all went swimming. D. The reason, that he is late, is that he got caught in heavy traffic.
May 5, 2010 by Judy

Physics
7. An early objection to the idea that the earth is spinning on its axis was that the earth would turn so fast at the equator that people would be thrown into space. Show the error in this logic by calculating the centripetal force needed to hold a 100. kg person in place at ...
February 2, 2015 by Brian

home economics
Suppose the City of Klamath is considering plans to build a dam on the Klamath River. There are currently social benefits to the recreational fishermen who use the river to catch salmon. The dam would be source of revenue, as it would create hydroelectric power that the ...
January 30, 2012 by Ryan

Music
If a string quartet is a genre of chamber music, what is the genre of music for a rock ensemble? I would argue that the Dixie Chicks is a genre of rock ensemble. http://www.gepr.net/genre2.html The Dixieland Jazz Band would be one genre of rock ensemble. The Who would be an ...
November 16, 2006 by Jessica

Qualitative analysis
Solid S has the following properties: I :It is insoluble in water. II :It produces a gas when heated. III: It produces a gas when added to dilute sulfuric acid. What could S be? A Calcium oxide C Zinc nitrate B Copper(lI) carbonate D Sodium hydroxide
November 17, 2016 by Cheezel

physics
Four forces are acting on an object. Force 1 has a magnitude of 5N at an angle of 70° above the +x-axis; force 2 has a magnitude of 8N at an angle of 35° above the +x-axis; force 3 has a magnitude of 4N at an angle of 20° above the -x-axis; force 4 has a magnitude of 7N at ...
October 11, 2014 by Emily

Physics Classical Mechanics
A person of mass m2= 85.0 kg is standing on a rung, one third of the way up a ladder of length d= 4.0 m. The mass of the ladder is m1= 15.0 kg, uniformly distributed. The ladder is initially inclined at an angle θ= 40.0∘ with respect to the horizontal. Assume that ...
December 12, 2013 by Robert

Science
1. Compare the two light waves above. Which wave would produce the brightest light and which wave would have the least energy? a. wave A; wave A b. wave A; wave B c. wave B; wave A d. wave B; wave B 2. Which waves have the longest wavelength and lowest energy on the ...
March 5, 2014 by Lindsay

chemistry
Can someone please help me with this one? Explain which of the following statements does not make sense: a. a role of masking tape weighs 350 micrograms b. 92 cm cubed of water was poured onto the table c. the room covers an area of 200 m cubed I was thinking it was b because ...
October 21, 2006 by Gloria

Physics
A disk with a mass of 13 kg, a diameter of 25 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 25, 2010 by Donny

repost math question
An aircraft flew 6 hours with the wind. The return trip took 7 hours against the wind. If the speed of the plane in still air is 276 miles per hour more than the speed of the wind, find the wind speed and the speed of the plane in still air. The wind soeed was ______ mph.
October 22, 2010 by Anonymous

HTT / 230
Nance’s Restaurant, a local independent restaurant, is evaluating new point-of-sale (POS) systems and must determine if a new installation is feasible. A new POS installation would include both software and hardware, with a total cost of $20,000. Nance’s Restaurant is ...
January 28, 2014 by becklynn

chemistry
A 20.00 ml stock sample of HBr is diluted to 50 mL. If 18.76 ml of 0.1345 M KOH was required to reach the equivalence point, what is the concentration of the stock HBr solution? Is my answer correct? Titration problems can be solved with the MV=MV equation. The Molarity * ...
September 22, 2008 by Vana

Moment/Physics
I understand a moment is a weight being moved by a particular distance. Although I am unable to establish what weight by how far would make a moment. eg 1 pound by 1 inch 1 pound by 1 foot 1 ton by 1 foot 1 Kg by ??? Explanation please. Mike You do not have to have motion to ...
January 9, 2007 by Mike

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