Wednesday

May 25, 2016
Number of results: 55,304

**Physics**

Use principles of force and kinematics to answer these: a. A 40 kg skater pushes on the 60 kg skater (initially at rest). As they collide, the 40 kg skater pushes on the 60 kg skater, applying a force 100 Newtons for 1.2 seconds. Find the velocity at which each of them ends up...
*November 1, 2010 by jen*

**physics**

Use principles of force and kinematics to answer these: a. A 40 kg skater pushes on the 60 kg skater (initially at rest). As they collide, the 40 kg skater pushes on the 60 kg skater, applying a force 100 Newtons for 1.2 seconds. Find the velocity at which each of them ends up...
*November 1, 2010 by jen*

**math**

When a ball is thrown up into the air, it makes the shape of a parabola. The equation S= -5t^2 + v*t + k gives the height of the ball at any time, t in seconds, where “v” is the initial velocity (speed) in meters/sec and “k” is the initial height in meters (as if you were on ...
*June 15, 2010 by Anne*

**Meteorology**

Posted a couple of days ago on this subject. The wind blows anti-clockwise round a depression (N Hemisphere). In a stereotypical depression isobars form fairly regular circles round the centre of the depression with kinks at the warm and cold fronts with the isobars in the ...
*October 10, 2007 by Mike*

**Physics**

Starting from rest Maria pulls horizontally on her new wagon for 1.1 seconds. She exerts a constant force of 89N against a frictional force of 43N. The wagon's final velocity is 3.2m/s. If she is on a level ground, how much does the wagon weigh?
*January 26, 2010 by help*

**Physics**

To move a large crate across a rough floor, you push on it with a force at an angle of 21 below the horizontal, as shown in the figure. Find the acceleration of the crate if the applied force is 400 , the mass of the crate is 32 and the coefficient of kinetic friction is 0.31.
*March 6, 2011 by Randy*

**science**

a man pushes a lawnmower of mass 50kg at a constant velocity over a horizontal lawn.he exerts a push of 200n on the handle a t angle of 60 to the horizontal..Dertemime the vertical componet of this force and determine the horizontal component of this force
*March 6, 2013 by fulufhelo*

**physics**

A constant force of 900 N pushes a 100 kg mass up the inclined plane shown above at a uniform speed of 5 m/s. ( hight= 1m) The power developed by the 900 N force is most nearly: 400 W 800 W 900 W 1000 W 4500 W
*February 4, 2014 by ashley*

**Physics **

A mass is being pulled forward at a constant velocity of 3 m/s with a force of 15 N. The weight of the mass is 9.0 N. What applied force must be exerted so that the mass will accelerate to 14 m/s in 4.0 seconds. *Another one I don't understand. I even tried converting the ...
*June 19, 2015 by Austin*

**chemistry**

What would the specific heat of graphite be? A 15.0g piece of graphite is heated to 100.0 degrees C and placed in calorimeter. The graphite releases 815.1 J of heat to reach a final temperature of 23.9 degrees C.
*November 18, 2014 by Diana*

**Physics HELP PLS!!!**

I, for the life of me, cannot figure out this equation: The index of refraction for a particular type of glass is 1.52 and the index of refraction for air is approximately 1.00. A ray of light at a particular frequency enters a block of glass from air with an angle of ...
*June 11, 2012 by Genny*

**Geometry**

A machine for baling hay produces cylindrical bales that are 5 feet in diameter and 4 1/3 feet in height. how many cubic feet are in each bale of hay?
*May 26, 2011 by Anthony*

**Math**

What is the parent function of h(x) = -x^2? Is it h(x) = x^2 or h(x) = -x^2? How can I describe h(x) = -x^3 as a transformation of the parent function of a cubic function? Do I just say that it is a reflection, or is there a way of saying it with numbers, as in h(x) = x^3 - 4?
*September 13, 2014 by Anonymous*

**Math**

A picnic cooler is shaped like a rectangular prism. The dimensions inside are 36 inches by 12 inches by 15 inches. In cubic feet, what is the capacity of the cooler?
*March 15, 2011 by Anonymous*

**Physics**

The ball spins at 7.7 rev/s. In addition, the ball is through with a linear speed of 19 m/s at an angle of 55 degrees with respect to the ground. If the ball is caught at the same height at which it left the quarterback's hand, how many revolutions has the ball made in the air...
*December 21, 2009 by Christopher*

**math**

30 minutes before the community pool closed, there were 15 swimmers in the pool . Six minutes later, there were 3 swimmers in the pool. What is the average change per minute in the number of swimmers in the pool?
*September 29, 2011 by ginger*

**fluid mechanics**

Mount Kilimanjaro is the highest peak on the African continent and rises to a height of approximately 5900m above sea level.Take the gas constant to be 287 J/kg K and the temperature lapse rate to be 0.0065 K/m. It is known that altitude sickness can occur to human beings when...
*March 14, 2011 by jovan*

**Physical Science**

I asked a question earlier about a thermometer in a can containing a substance that is being heated.Temperature remains the same for minutes, then start to rise. Without looking in the can, how does student know whats occurring in the can?I was told a phase change what kind of...
*February 13, 2008 by Courtney*

**chemistry**

this is for a lab - determining the chemical formula of a hydrate. suppose the hydrate was heated too quickly and some of it was lost of spattered out of the container. explain how hthis would effect a) the calculated percent by mass of water in the compound b) the molecular ...
*October 27, 2009 by denise*

**chemistry**

5. Meals-ready-to-eat (MREs) are military meals that can be heated on a flameless heater. The heat is produced by the following reaction: Mg(s) + 2H2O(l) --> Mg(OH)2(s) + H2(g) Calculate the number of grams of Mg needed for this reaction to release enough energy to increase...
*May 14, 2013 by tra*

**Chemistry**

A 0.250-g sample of a magnesium-aluminum alloy dissolves completely in an excess of HCl (aq) . When the liberated H2 (g) is collected over water at 29 degrees celsius and 752 torr, the volume is found to be 301 mL . The vapor pressure of water at 29 degrees celsius is 30.0 ...
*February 28, 2011 by Jake*

**chemistry**

A student investigating the properties of solutions containing carbonate ions prepared a solution containing 7.493 g Na2CO3 in a flask of volume 250 mL. Some of the solution was transferred to a buret. What volume of solution should be dispensed from the bret to provide 8.455 ...
*May 2, 2010 by chemistrry help!*

**math**

The volume of a sphere is given by V=4*r^3/3, where r is the radius,compute the radius of a sphere having a volume 40 percent greater than that of a sphere of radius 4 ft?
*November 9, 2015 by Bk*

**Math "Need Help Asap"!**

19. WorkPad Note: In questions 19-21, remember to show all of the steps that you use to solve the problem. Be sure to use the text box where the question mark (?) first appears to show your mathematical work. You can use the comments field to explain your work. Your teacher ...
*December 17, 2015 by Markest Lee*

**Probabilities**

Company has 90 cars in stock with 4 cylinder engines and 290 with 6 cylinder engines. There are no other cars in stock. 130 of these cars, including 20 of those with 4 cylinder engines have air conditioning. One car on the lot is selected at random. The probability that this ...
*April 21, 2009 by Andrey L*

**Algebra**

The height, in meters, of a projectile can be modeled by h= -4.9t^2 + vt + s where t is the time (in seconds) the object has been in the air, v is the initial velocity (in meters per seconds) and s is the initial height (in meters). A soccer ball is kicked upward from the ...
*May 16, 2016 by Cooper*

**science**

A beaker filled with 2182.5 g of water at a temp of 10.0 degrees Celsius is placed over a lamp burning ethanol. What mass of ethanol needs to be burned in order to bring the water to boiling?
*April 15, 2009 by Mary*

**Calculus**

A rectangular prismatic tank has the following dimensions :length is 3 m, width is 2m . And depth is 3m .it is being filled with water and the surface level is rising at 20cm/min.what is the inflow rate of water at the tank ?
*March 13, 2011 by Mehak*

**calculus**

A rectangular prismatic tank has the following dimensions :length is 3 m, width is 2m . And depth is 3m .it is being filled with water and the surface level is rising at 20cm/min.what is the inflow rate of water at the tank ?
*March 14, 2011 by Mehak*

**Chemistry**

Consider the following equilibrium: 2HI(g) *are in equilibrium with* H2(g) = I2(g) Keq = 81.0 A 2.00L container is initially filled with 4.00 mol HI. Calculate the [HI] at equilibrium. *I don't know how to put the equilibrium sign on the computer* Can someone please explain to...
*November 12, 2014 by katie*

**maths**

here is another.A spherical tank of diameter 3m is filled wit water from a pipe of radius 30cm to 0.2m/s.calculate an corcet to 3s.f the time in minute it wil take to feel the tank take to be TT=22/7 thankyou
*July 28, 2015 by anthony*

**Physics - Am I correct? **

1. A stationary curling stone is struck in a glancing collision by a second curling stone of equal mass. If the first stone moves away at a velocity of 0.92 m/s [N71oW] and the second stone moves away at a velocity of 1.25 m/s [N44oE], what was the initial velocity of the ...
*January 19, 2016 by Chanz*

**statistics**

The National Highway Traffic Safety Administration analyzes the crash test data for new cars. One variable measured is the severity of the injury due to a collision. The higher the severity, the higher the points assigned. Assume that the injury rating is normally distributed ...
*June 23, 2013 by Jerome*

**physics**

Magnet A has twice the magnetic field strength of magnet B and at a certain distance pulls on magnet B with a force of 75 N. With how much force, then, does magnet B pull on magnet A?
*March 23, 2010 by john*

**Chemistry **

calcium carbonate decomposes if heated to form calcium oxide and carbon dioxide. if 24.5 grams of calcium carbonate decompose how many moles of calcium carbonate reacted?
*January 21, 2013 by Channon *

**math**

An airplane travels with a speed of 145 mph in calm air. the wind is blowing with a velocity of 23 mph from N72degreesE. If the plane is headed in a direction N63W, find the magnitude of the speed and the direction of the airplane with reference to the ground. In what ...
*February 24, 2015 by Dan*

**social studies**

Is canada a good place to live? For example does it have good educaion, does it have a good economy where peoples' needs are for filled?
*December 18, 2009 by Lilly*

**Maths**

Sacks are filled with 100 kg of sand corect to the nearest 10 kg. what is the least possible amout of sand and the greatest possible amound of sand in a sack?
*October 2, 2011 by Alex lloyd*

**mathematics **

One hydrant can fill a truck in 12 minutes, another in 6 minutes . If they are both turned on together how long would the truck take to be filled? 12+6= 18\2= 9 minutes
*July 23, 2014 by Maggie *

**fraction maths**

1 tap can fill a tank in 9 hours, a second in 12 hours alone,what fraction will be filled in 3 hours if both taps are open together
*January 19, 2016 by Anonymous*

**MATH**

A sphere has five times the volume of a right cone that has a radius of 4.6 cm and a height of 7.7 cm. Determine the radius of the sphere to the tenth of a centimetre. This question is multiple choice and these were the options: A. 2.2cm B. 3.4cm C. 5.9cm D. 9.3cm I was sure ...
*October 5, 2010 by Anonymous*

**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 ...
*February 18, 2015 by Oscar*

**Physics**

Can you please provide me a starting point for these two questions Question One: Three charges are located on the +x axis as follows: q1 = +26 µC at x = 0 m, q2 = +13 µC at x = +2.0 m, and q3 = +42 µC at x = +3.5 m. (a) Find the electrostatic force (magnitude and direction) ...
*August 30, 2007 by Jim*

**Chemistry**

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 does 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 *

**Finance**

A U.S. firm wants to raise $15 million by selling 1 million shares at a net price of $15. We know that some say that firms "leave money on the table" because of the phenomonon of underpricing. Using the average amount of underpricing in U.S. IPOs, how many fewer shares could ...
*February 5, 2013 by Anonymous*

**finance**

11-10. A U.S. firm wants to raise $15 million by selling 1 million shares at a net price of $15. We know that some say that firms “leave money on the table” because of the phenomenon of underpricing. a. Using the average amount of underpricing in U.S. IPOs, how many fewer ...
*May 5, 2013 by MK*

**physics**

As Newton showed, gravity is a force that acts along the line separating two bodies and causes the two bodies to be attracted to each other (i.e. it is a central force). In this problem, assume that the planetary orbits about the Sun are circular. a. Does the force of gravity ...
*October 24, 2010 by zeph*

**English**

I added a few more sentences. I hope you can help me express them correctly. Thank you. 1) Do you like soccer (Italian football)? Is soccer popular in America? 2) Can you watch the Italian football season in America? (Do you follow the Italian football season/championship/...
*March 29, 2011 by Mike*

**math**

an air plane takes off with an elevation of 27degrees. what is the total land distance the plane reaches a cruising altitude of 875 feet ? if the plane is traveling at a steady speed of 651 feet per hour, how much time will it take the plane to reach its cruising distance? ...
*February 13, 2014 by molly*

**Physics**

The wheels, axle, and handles of a wheelbarrow weigh W = 65 N. The load chamber and its contents weigh WL = 538 N. The drawing shows these two forces in two different wheelbarrow designs. To support the wheelbarrow in equilibrium, the man’s hands apply a force to the handles ...
*December 1, 2014 by Jenna*

**Physics**

What size motor [W] is required to pump 12,000 gallons of water up a water tower (with a height of 25 ft.) in 25 minutes? The density of water is 1,000 kg/cubic meter.
*October 18, 2011 by Brianb*

**math**

im trying to help my son any help would be great When a ball is thrown up into the air, it makes the shape of a parabola. The equation S= -16t^2 + v*t + k gives the height of the ball at any time, t in seconds, where “v” is the initial velocity (speed) in ft/sec and “k” is the...
*January 12, 2010 by joni*

**Science**

List: Three characteristics of friction force and surface type. Three characteristics of friction force and mass. Three characteristics of friction force and surface area.
*October 30, 2013 by Marisol*

**math**

A cylindrical pipe has a radius of 8 inches and a height of 100 inches. About how many cubic inches of water will fill the pipe?
*September 11, 2012 by taliah*

**Chemistry 105**

A gas mixture with a total pressure of 745 mmHg contains each of the following gases at the indicated partial pressures: CO2, 257 mmHg; Ar, 123 mmHg; and O2, 160 mmHg. The mixture also contains helium gas. What is the partial pressure of the helium gas? What mass of helium gas...
*October 23, 2011 by JULIE*

**English**

Write the vocabulary word from the word box that matches each idea. Communicate - flick - alert- signal - chatter - grooms. 1/.............to make neat and clean . Answer: grooms 2/............. to tell a person or animal something. Answer: communicate 3/ .............to warn ...
*February 15, 2014 by NA *

**physics..**

im not completely sure im right with this question a lawn spreader is pushed across a lawn by applying a force of 95N along the handle that makes an angle 60 degrees with the horizontal. a- what is the horiz. and vert. comp. of the force. b- when the handle is lowered to 30 ...
*January 17, 2008 by hi,*

**Social Studies/Missouri Facts**

Could you also check these thanks. Could I get a letter grade I'm in 9th grade 1. Who is the Governor of the State of Missouri? Answer: Jay Nixon 2. Name the two major cities in Missouri. Answer: St. Louis and Kansas City 3. Where is the capital of Missouri? Answer: Jefferson ...
*February 19, 2009 by Tammie*

**macroeconomics**

(1) Population: 250,000 Unemployed: 20,000 Labor Force Participation Rate: 80% (a) How many people are in the labor force? (b) What is the unemployment rate? (2) Not in the labor force: 125,000 Unemployed: 25,000 Employed: 100,000 What is the unemployment rate?
*June 29, 2009 by Mac*

**Science/Physics**

Which Is A True StateMent? When comparing the force that is required to climb a mountain by walking up a trail that slopes gently upward to the top, versus getting there by scaling asheer vertical cliff face, """"I believe it would be D"""" a. You use more force gor a given ...
*March 4, 2009 by Jenny*

**physics**

Q. A person wants to shoot a rocket off of a mountain 3.26 km high so that the rocket, when shot at 31.3¡Æ above the horizontal from the very top of the mountain, lands at the foot of the mountain 9.37 km (horizontal distance) away. a) What initial speed must the rocket have...
*October 17, 2010 by Lyn*

**accounting**

Incremental Analysis question: I know the answer is $4.20, but I can't figure out why. Sandusky Inc. has the following costs when producing 100,000 units: Variable costs $400,000 Fixed costs 600,000 An outside supplier is interested in producing the item for Sandusky. If the ...
*March 14, 2009 by John*

** math**

RATES OF CHANGE QUESTION A spherical balloon is being blown up so that its volume is increasing by 0.6 m^3 s^-1. Find the rate at which the radius is increasing when the radius is 0.1 m. So what I did was that I determined dV/dt =0.6 and dV/dr = 4/3 r^3 phi (which is the ...
*June 13, 2010 by tina*

**Chemistry**

A plumber installs a pipe that has a diameter of 10 cm and a length of 2.4m, Calcualte the volume of water(in cm3) that the pipe will hold. Express your answer to the correct number of significant digits. Note: The formula for the volume of a cylinder is V=Pi(r)2h, where r is ...
*September 13, 2014 by Jessica*

**geometry**

One advantage of the prismoidal formula is that you can use it to a) calculate precise volumes of all prismoids b)calculate both volume and surface area c)determine volumes of figures that are not prismoids d)estimate the volume of solids that are combinations of other solids ...
*June 14, 2015 by Anonymous*

**pre calc**

Find an equation of the cubic polynomial f(x) = ax3 + bx2 + cx + d that passes through the given points. P(0,-4) Q(1,-8) R(-1,-8) S(2,-2) Ive tried this every which way and i cant seem to get any of these..i know your supposed to plug it in and all but its just not working for...
*June 7, 2011 by gabs*

**Kinematics. Newtons Laws**

Two objects are in contact on a frictionless surface. A horizontal force is applied to one object as shown in the figure below. Use m1 = 1.2 g, m2 = 254 g and F = 0.7 N to find the force between the two objects.
*October 6, 2009 by Natasha*

**College Physics - Acceleration**

A 1470-kg submarine rises straight up towards the surface. Seawater exerts both an upward buoyant force of 16070 N on the sub, as well as a downward resistive force of 1050 N. What is the submarine's acceleration?
*March 14, 2012 by Anonymous*

**PHYSICS! **

A horizontal force of 10 N is applied to the outer edge of a door at an angle of 32° to the door, as shown in a view from the top looking down. The width of the door is 0.80 m. The magnitude of the torque of this force on the door with respect to the hinge is most nearly 2.4 N...
*June 9, 2012 by Spencer*

**physics**

Two pellets, each with a charge of 1.0 microcoulomb (1.0×10−6 ), are located 4.0 (4.0×10−2 ) apart.A)find the electric force between them B)What would be the mass of an object that would experience this same force in Earth's gravitational field?
*August 6, 2012 by julie*

**science**

A point object is acted upon by forces of 4N, 5N and 6N is in equilibrium. IF=f the 6N force is removed, what is the resultant force on the object now? I really want to know how tow find relationship between 3 forces, and is there anything to do with cos rule??? HELPPPPP-.-
*October 11, 2012 by liam*

**physical science**

Two force vector,a and b act on an object in the x direction and b acts on a y direction. Use words and diagram to explain how you can find the resultant force acting on the object by using the tail-to-head method
*February 11, 2014 by ncumisA*

**physics**

In a tennis serve, a 0.070 kg ball can be accelerated from rest to 41 m/s over a distance of 0.90 m. Find the magnitude fo the average force exerted by the racket on the ball during the serve. I know it is a force problem, but I am not even sure how to set this up.
*October 11, 2014 by Alex*

**Physics**

The mass of the heavier block is 22 kg and the mass of the lighter blocks is 11 kg and the magnitude of the force of the connecting string on the smaller block is 13 N. Assume: g = 9.8 m/s 2 and the horizontal surface on which the objects slide is frictionless. Determine the ...
*December 8, 2015 by Blake *

**science**

here are some science questions I've been trying to do for over an hour and i just cant figure them out! 1.how does a fan convert energy? 2.what happens to matter during both a physical and chemical change? 3.give an example of a simple closed system 4. in a fire, why does the...
*January 10, 2011 by Bri*

**Physics**

The human ear canal is approximately 2.3 cm long. It is open to the outside and is closed at the other end by the eardrum. Estimate the frequencies (in the audible range) of the standing waves in the ear canal. Express your answers using two significant figures. If there is ...
*March 24, 2011 by Sammi*

**Solar Energy Help ASAP**

Let's assume that solar light reaches a silicon solar cell with an angle of incidence of θi=0o. For simplicity, let's consider the refractive index of silicon to be nSi=3.5. The refractive index of air is nair=1. What percentage of light would be lost due to reflection at...
*October 17, 2013 by Anonymous*

**Math**

19. WorkPad Note: In questions 19-21, remember to show all of the steps that you use to solve the problem. Be sure to use the text box where the question mark (?) first appears to show your mathematical work. You can use the comments field to explain your work. Your teacher ...
*December 17, 2015 by YRN DJ*

**Math **

Saud bought a bottle of juice containing 625 ml juice. He filled 30 ml into a glass. But spilled 23.5 ml. How much juice is still left in the bottle.
*July 3, 2014 by Hoor*

**Math**

Saud bought a bottle of juice containing 625 ml juice. He filled 30 ml into a glass. But spilled 23.5 ml. How much juice is still left in the bottle.
*July 3, 2014 by Hoor*

**Physics**

A block of mass 9.00 kg is pushed up against a wall by a force P that makes a 50.0° angle with the horizontal as shown below. The coefficient of static friction between the block and the wall is 0.245. Determine the possible values for the magnitude of P that allow the block ...
*June 6, 2012 by Kathy*

**physics**

As shown in the figure below, a stick of length L = 0.330 m and mass m = 0.205 kg is in contact with a rough floor at one end and a frictionless bowling ball (diameter d = 21.50 cm) at some other point such that the angle between the stick and the floor is θ = 30°. ...
*November 30, 2012 by HELP!!!*

**Chemistry**

a 191 g piece of copper is heated to 100 C in a boiling water bath and then dropped into a beaker containing 755 g of water (density =1.00 g/cm3) at 4.0 C. What is the final temperature of the copper and water after thermal equilibrium is reached? (Scu=0.385 J/g•K)
*October 15, 2014 by Logan*

**Statistics**

The table below gives the ages and systolic blood pressure (measured in millimeters of mercury) of 9 randomly selected adults. Subject # 1 2 3 4 5 6 7 8 9 Age, x 41 44 48 51 54 56 60 64 68 Pressure, y 111 115 118 126 137 140 143 145 147 Part 1: Calculate the mean age of the 9 ...
*October 22, 2009 by Jackie*

**physics**

If a soccer player kicks a ball with a force of 130 N, what force does the ball impart on the player's foot?
*January 13, 2011 by Dres*

**Physics**

A force of gravity pulls downward on a book on a table what force prevents the book from accelerating downward?
*February 11, 2011 by Jenifer*

**physics**

A force of 34.5 newtons is applied to an object at an angle of 45 º with the horizontal. What is the force acting on the object in the horizontal direction?
*January 25, 2012 by Anonymous*

**Science**

A 95 kg tennis player hits a 0.5 kg tennis ball with a force of 150 N What force does the ball exert on the raquet?
*February 1, 2012 by Kayy*

**physics**

A force of 85 N is required to compress the spring by 0.0200 m. How much force is needed to compress the spring by 0.0600 N? 3.
*November 20, 2012 by Jason*

**phy**

If a force of 80N extends a spring of natural length 8m by 0.4m what will be the length of the spring when the applied force is 100N
*January 24, 2013 by christ*

**Physics**

You hit someone with a force of 197 N. How much force is exerted on you? Answer in units of N Is the answer 197 N
*March 1, 2013 by Sally*

**phy**

if a force of 80N extends a spring of natural length 8m by 0.4m what will be the length of the spring when the applied force 100N
*July 2, 2013 by ikye*

**physic**

8. A torque wrench reads 25 lb ft. a. If its length is 1.0 ft, what force is being applied to the wrench? b. What is the force if the length is doubled?
*December 18, 2014 by wellington*

**physics**

the gravitational force on an object on the surface of the earth is F , what's the gravitational force on the satelite when at height R/20, where R is the radius of the Earth ?
*September 24, 2015 by edward*

**CHEMISTRY 1B**

A student finds that k = 0.0027 L/mol · s, and m and n are both 1. Calculate the expected rate if 6.0 mL of 0.10 M [S2O82− ] is mixed with 4.0 mL of 0.20 M [I − ]. Assume the final volume of the solution is 10.0 mL. I used the given molarities and ...
*May 17, 2016 by Joanaleine Ferrera*

**Managerial Accounting**

Sandusky Inc. has the following costs when producing 100,000 units: Variable Costs $400,000 Fixed Costs 600,000 An outside supplier is interested in producing the item for Sandusky. If the item is producing outside, Sandusky could use the released production facilities to make...
*September 4, 2012 by Daniel*

**Chemistry**

A sample of ammonium salt (NH4X) having a mass of 1.618g was heated with NaOH and the liberated ammonia was reacted with 50.00 of .6230 mol/L HCl. The excess acid required 1.50 mL of .6115 mol/L NaOH in titration. What is the formula of the salt?
*April 25, 2012 by Emily*

**Maths**

A cylindrical tank has the dimensions a 100cm and 140cm ,if the tank is filled with 275 liters of water what is the depth of water in the tank
*June 16, 2015 by Andre*

**college chemistry**

.361 g of a non-volatile solute is dissolved in 160.0 g of water. The solute does not react with water nor dissociate in solution. Assume that the resulting solution displays ideal Raoult's law behaviour. At 90 oC the vapour pressure of the solution is 5.1701×102 torr. (The ...
*February 18, 2011 by silver*

**physics**

The block in the figure below lies on a horizontal frictionless surface and is attached to the free end of the spring, with a spring constant of 60 N/m. Initially, the spring is at its relaxed length and the block is stationary at position x = 0. Then an applied force with a ...
*October 25, 2009 by henry*