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July 29, 2014

Search: A sealed cubical container 20cm on a side contains three times Avogadro's number of molecules at a tempature

Number of results: 27,777

PHYSICS
A sealed cubical container 26.0 cm on a side contains three times Avogadro's number of molecules at a temperature of 15.0C. Find the force exerted by the gas on one of the walls of the container.
November 5, 2010 by john

physics
A sealed cubical container 30.0 cm on a side contains three times Avogadro's number of molecules at a temperature of 20.0C. Find the force exerted by the gas on one of the walls of the container.
November 8, 2010 by Milo

math
a cubical container is half filled with water if the volume of water in the container is 500cm3 find the length of one edge of container?
April 23, 2012 by john

physics
sealed metal container can withstand a pressure difference of 0.630 . The container initially is filled with an ideal gas at 12 and 0.80 To what temperature can you cool the container before it collapses? (Ignore any changes in the container's volume due to thermal expansion
January 15, 2011 by Josh

Chemistry
A pure sample of tritium, 3H, was prepared and sealed in a container for a number of years. Tritium undergoes decay with a half-life of 12.32 years. How long has the container been sealed if analysis of the contents shows there are 5.25 mol of 3H and 6.35 mol of 3He present...
December 7, 2010 by Queen

AP Chemistry
Equal masses of Ne and Ar are placed in a rigid, sealed container. If the total pressure in the container is 1.2 atm, what is the partial pressure of Ar?
November 6, 2013 by Elizabeth

physics
In Figure 12-68, two identical, uniform, and frictionless spheres, each of mass 4.1 kg, rest in a rigid rectangular container. A line connecting their centers is at 45 to the horizontal. Find the magnitudes of the forces on the spheres from (a) the bottom of the container, (b...
December 29, 2010 by Sarah

Science
5.00 mol of solid A was placed in a sealed 1.00-L container and allowed to decompose into gaseous B and C. The concentration of B steadily increased until it reached 1.10 M, where it remained constant. Then, the container volume was doubled and equilibrium was re-established. ...
April 4, 2014 by Susie

chem
One mole of an ideal gas is sealed in a 22.4- container at a pressure of 1 and a temperature of 273 . The temperature is then increased to 305 , but the container does not expand. What will the new pressure be?
October 9, 2008 by Anonymous

chemistry
One mole of an ideal gas is sealed in a 22.4-L container at a pressure of 1 and a temperature of 273 K . The temperature is then increased to 305 K , but the container does not expand. What will the new pressure be?
October 9, 2008 by Anonymous

Physics
I understand there is a relationship between pressure & temperature in a sealed rigid container. An open container is placed in a freezer at -15 degrees C then the door is opened and the cap replaced with the freezer at 1000mb what will the pressure be within the container if ...
December 7, 2011 by Mike

Honors Geometry
A cylindrical container weighs 36 ounces. Another container made out of the same material is similar to the first container with a height that is three-fourths the height of the first container. To the nearest tenth of an ounce, how much does the second container weigh?
May 2, 2008 by Confused.

Chemistry
4.00 mol of solid A was placed in a sealed 1.00-L container and allowed to decompose into gaseous B and C. The concentration of B steadily increased until it reached 1.20 M, where it remained constant. A(s) <-------> B(g)+C(g) Then, the container volume was doubled and ...
February 5, 2013 by Anon

Chemistry
A sealed 1.0L flask is charged with .500mol I2 and .500mol Br2 and an equilibrium reaction esues: I2(g)+Br2(g)=2IBr(g) When the container contents achieve equilibrium, the flask contains .84 mol of IBr. What is the value of the eqilibrium constant? (K)
March 21, 2013 by Jonah

chemistry
what do coefficents represent in a balanced equation? What would removing air from a sealed container do to the container? What does it mean that "like dissolves like"? Dissolving a solute in a solvent does what to the solven'ts freezing and boiling points? What must be true ...
June 10, 2008 by Miley

science
You are confronted with the following question: One mole of an ideal gas is sealed in a 22.4- container at a pressure of 1 and a temperature of 273 . The temperature is then increased to 305 , but the container does not expand. What will the new pressure be? Part A The most ...
March 20, 2012 by Anonymous

chemistry, first year university
Solid NH4N3 decomposes explosively according to the following equation: NH4N3(s) ⇌ 2N2(g) + 2H2(g) A small amount of ammonium azide was placed in a sealed container and the air was removed. The sample was then detonated. At equilibrium the total pressure in the container...
May 11, 2014 by julie

Chemistry
I am having such a hard time approaching this problem. It would be great if you can help me. 1.0 mole of CH4 react with 1.0 mole of O2 in a sealed container. (a) When the reaction is complete, what is the container? (b) How many moles of water are produced? CH4 + 2O2 ---> ...
October 15, 2012 by Lana

Chemistry
I am having such a hard time approaching this problem. It would be great if you can help me. 1.0 mole of CH4 react with 1.0 mole of O2 in a sealed container. (a) When the reaction is complete, what is the container? (b) How many moles of water are produced? CH4 + 2O2 ---> ...
October 15, 2012 by Lana

Chemistry
After 4.00 mol of C2H4(g) and 2.50 mol of Br2 (g) are placed in a sealed 1.0L container, the reaction reaches equilibrium and is written following: C2H4(g) + Br2(g) -> C2H4Br2(g) ... Calculate the equilibrium concentrations of all three substances.
August 9, 2012 by Sarah

algebra
Adam has a cylindrical container. He is going to pour water into the container from a cube that has a side length of 1.5 inches. The container has a diameter of 8 inches and is 2 feet tall. How many full cubes of water can Adam fit into the container?
June 4, 2014 by Dea

math
container A has twice the capicity of container B. container A is full of sand and container B is empty. suppose 1/8 of the sand in container A is poured into container B. what fractional part of container B will conatin sand.........please halpme i am confused
March 22, 2010 by Katherine

math
container A has twice the capicity of container B. container A is full of sand and container B is empty. suppose 1/8 of the sand in container A is poured into container B. what fractional part of container B will conatin sand.........please halpme i am confused
March 22, 2010 by Katherine

math
container A has twice the capicity of container B. container A is full of sand and container B is empty. suppose 1/8 of the sand in container A is poured into container B. what fractional part of container B will conatin sand.........please halpme i am confused
March 22, 2010 by Katherine

math
container A has twice the capacity of container B. Container A is full of sand and container B is empty. Suppose 1/8 of the sand in container A is poured into Container B. What fractional part of container B will contain sand?
September 27, 2012 by israel

physics
A sealed container contains 1 mole of neon gas at STP. Estimate the number of neon atoms having speeds in the range from 200 m/s to 202 m/s. (Hint: Assume the probability of neon atoms having speeds between 200 m/s and 202 m/s is constant).
April 17, 2012 by zuhra

physics
A sealed container contains 1 mole of neon gas at STP. Estimate the number of neon atoms having speeds in the range from 200 m/s to 202 m/s. (Hint: Assume the probability of neon atoms having speeds between 200 m/s and 202 m/s is constant).
April 18, 2012 by zuhra

physics
Container A is sealed (not open to the atmosphere) filled with water with an unlimited width and depth. Container A consists of Section 1 and 2. The upper part of Container A, Section 1 has 5 feet of air at 21.83 psi Tube B is 80 feet long and full of air at 14.7 psi; B is ...
August 17, 2011 by Anonymous

Physics
Dumping sealed containers from ship decks that are 2 meters above the water surface. With a final depth of 100 meters. Find the final velocity of the container on impact. 1. Container in the shape of right circular cylinders, containers of .5 meters diameter and 1.0 meter ...
October 31, 2010 by Christopher

chemistry
What is Boyle's Law constant if a sealed rigid container with a volume of 650 mL has a pressure of 131.1 kPa ?
November 27, 2012 by zale

chemistry
Three gases (8.00 of methane, , 18.0 of ethane, , and an unknown amount of propane, ) were added to the same 10.0- container. At 23.0 , the total pressure in the container is 3.50 . Calculate the partial pressure of each gas in the container.
May 5, 2010 by emmanuel

Chemistry
Three gases (8.00 of methane, , 18.0 of ethane, , and an unknown amount of propane, ) were added to the same 10.0- container. At 23.0 , the total pressure in the container is 3.90 . Calculate the partial pressure of each gas in the container.
August 2, 2010 by Stephen

Math
A rectangle has a perimeter of 20cm. Two of the side are 2cm longer than the other two sides. How long is each side?
August 28, 2007 by Ally

chemistry
Three gases (8.00 of methane, 18.0 of ethane, and an unknown amount of propane, were added to the same 10.0-L container. At 23.0 C , the total pressure in the container is 3.60 atm. Calculate the partial pressure of each gas in the container.
November 20, 2010 by Jamie

CRC
A sample of ideal gas is in a sealed container. The pressure of the gas is 675torr , and the temperature is 28\, ^{\circ}C . If the temperature changes to 91\, ^{\circ}C with no change in volume or amount of gas, what is the new pressure, P_2, of the gas inside the container?
April 28, 2013 by Touch

chemistry
four grams of he are in a sealed, 2l container. If he were a true ideal gas, how would its behaviour differ from its actual behavior
July 31, 2011 by marjani

chemistry
four grams of he are in a sealed, 2l container. If he were a true ideal gas, how would its behaviour differ from its actual behavior
July 31, 2011 by marjani

Chemistry
the temperature of a gas in sealed container changes from 20. c to 40.0 C. If the volume remains constant,the pressure will change from 660 torr to ?
August 28, 2011 by Devin Boutte

Geometry
Two marbles are sitting side by side in a glass container.b the base of the container is 10 units long and the radius of the smaller marble is 2 units. What is the radius of the larger marble? Describe the strategy used to answer the question.
August 8, 2013 by Loki

geometry
how many cubes with a side length 5cm do fit in a cube with a side length 20cm?
April 18, 2011 by ....

algebra
what is the probability of getting a sum of 16 in tossing three standard cubical dice? answer as a common fraction. i dont get this how do i do it?
September 14, 2008 by lee

math word problems
Container A has twice the capacity of container B. Container A is full of sand and container B is empty. Suppose 1/8 of the sand in container B will contain A is poured into container B. What fractional part of container B will contain sand?
September 8, 2012 by cristina

Quemistry
L has twice the volume of container J. Container J is at a temperature of 100 K, and container L is at 200 K. How does the pressure in container J compare with that in container L
June 24, 2012 by JJ

AP Physics
Two radioactive isotopes are extracted from spent nuclear fuel and placed in a metal container, which is then sealed and deposited in a nuclear waste disposal facility. The graph above shows how many nuclei of isotopes 1 and 2 remain as a function of time. 1) What type of ...
March 9, 2011 by Amanda.

Physics
48.0 g of oxygen (O2 is diatomic) are confined in a rigid 1.00x10^3 L cubical container at temperature 300.0 K. Find the gas pressure and the force exerted by the oxygen gas on any of the six faces of the cube. Mass number of an oxygen atom is 16.0 1.00L=10^-3 m^3
April 24, 2013 by Lashawn

Chemistry
Three gases (8.00 of methane,CH4 , 18.0 of ethane,C2H6 , and an unknown amount of propane,C3H8 ) were added to the same 10.0-L container. At 23.0 degress celsius , the total pressure in the container is 3.90 atm. Calculate the partial pressure of each gas in the container.
September 23, 2008 by Sarah

Physical Chemistry
When 1.00 g of gaseous I2 is heated to 1000. K in a 1.00 L sealed container, the resulting equilibrium mixture contains 0.830 g of I2. Calculate Kc for the dissociation equilibrium below. I2 <--> 2 I What I did was converted the initial I2 into moles then molarity since ...
February 19, 2010 by Trixie

Chemistry Question!!
When 1.00 g of gaseous I2 is heated to 1000. K in a 1.00 L sealed container, the resulting equilibrium mixture contains 0.830 g of I2. Calculate Kc for the dissociation equilibrium below. I2 <--> 2 I What I did was converted the initial I2 into moles then molarity since...
February 19, 2010 by Trixie

math
the volume of a cubical solid is given by following expressions.find the side of field. a)8a^3+b^3+12a^2 b+6ab^2. b)27-125a^3-135a+225a^2. c)27a^3-1/216-9a^2/2+a/4. d)x^3-1/x63-3x+3/x. plz help me till 2 o'clock...
May 29, 2012 by parul

Chemistry
A 20.9 L container filled with gas at 0.845 atm and 64.0C contains __________ mol of gas. Express answer to three decimal places
April 22, 2010 by Camarra

Chemistry
A gas exerts a pressure of 350 mmHg in a sealed container. What will be its pressure if the temperature doubles
June 20, 2013 by Anonymous

chemistry
the vapor pressure of water at 25 C is 27.66 torr. is 0.5 g water is enclosed in a 1.5 L sealed container, will there be nay liquid. If yes, what mass?
September 6, 2009 by vy

physics
A rigid container of nitrogen gas (N2) at 24 C contains 440 L at a pressure of 3.5 atm. If 26.6 kJ of heat are added to the container, what will be the new temperature of the gas? C
April 18, 2010 by milo

physics
A rigid container of nitrogen gas (N2) at 24 C contains 440 L at a pressure of 3.5 atm. If 26.6 kJ of heat are added to the container, what will be the new temperature of the gas? C
April 21, 2010 by maya q

Government senior college ikoyi
An equilateral triangle of side 20cm is inscribed in a circle.calculate the distances of a side of the triangle from the centre of the circle.
April 5, 2013 by Monday Godwin

pythagoream theroem
how do you find the height of a triangle that is 20cm. on each side
May 9, 2011 by briana

geometry
an equilateral triangle of side 20cm is inscribed in a circle.calculate the distance of a side of the triangle from th centre of the circle.
March 30, 2011 by victor

Science
Container A and B both container the same kind of liquid. Container A has a volume of 5 mL and Container B has a volume of 8 mL. Which container, if either has the highest density? Explain your Answer.
September 3, 2012 by Rachel

Chemistry
Need help in AP chemistry on Equilibrium When heated, hydrogen sulfide gas decomposes according to the equation 2 H2S(g) ⇄ 2 H2(g) + S2(g) A 3.40 g sample of H2S(g) is introduced into an evacuated rigid 1.25 L container. The sealed container is heated to 483 K, and 3.72 ...
April 9, 2012 by Sam

Calculus - Optimization
A cylindrical container with a volume of 3000 cm^3 is constructed from two types of material. The side and bottom of the container cost $0.10/cm^2 and the top of the container costs $0.20/cm^2. a) Determine the radius and height that will minimize the cost. b) Determine the ...
June 3, 2012 by Nevin

begining algebra
One side of a triangle is three times the shortest side. The third side is 7 feet more than the shortest side. The perimeter is 62 feet. Find all three sides.
February 10, 2010 by D

pressure
a flexible container at an initial volume of 7.14L contains 9.51mol of gas. more gas is then added to the container until it reaches final volume of 17.1L. assuming the pressure and temperature of the gas remain constant, calculate the number of moles of gas added to the ...
September 18, 2013 by Anonymous

Chemistry. can jus anyone giv me ther opinion.
Eva has two containers labeled A and B. The diameter of container A is 8 inches and the diameter of container B is 12 inches. If Eva pours the water from container A into container B, which will occur...
September 17, 2010 by Jason

alegbra
one side of a triangle is three time the shortest side. The third side is 7 feet more than the shortest side. The perimeter is 62 feet. Find all three sides.
October 20, 2010 by Kim

physics
a cubical block of side 2cm is lying on a table. if the density of the material of the cube is 10000kg/m^3. find the pressure exerted by the block on the table. (g=10m/s^2).
January 6, 2013 by prudhvi

probability
One container contains 6 red and 4 white balls, while a second container contains 7 red and 3 white balls. A ball is chosen at random from the first container and placed in the second. Then a ball is chosen at random from the second container and placed in first. What is the ...
November 3, 2011 by alex

brain teaser
You are standing outside a closed door. On the other side of the door is a room that has three light bulbs in it. The room is completely sealed off from the outside. It has no windows and nothing can get in or out except through the door. On the outside of the room there are ...
September 14, 2011 by Tony

math
Which of the following best describes the relationship between the size of a one ounce container compared to a one pound container? 1 the size of a one oz container is 16 times the size of a pound container. 2 the size of a one oz container is 1\16 the size of a 1 pound ...
February 27, 2012 by brianna

Chemistry
There are two containers filled with gases. In both containers, gases are at the same temperature and presssure. The first container is 3 L and contains 0.9 moles of gas. The second container is 1 L. How many moles of gas are there in the second container?
April 7, 2014 by ASAP!!

chem
A mixture of gas contains 1.25g of N2, 1.25g of O2, and 1.25g of He in 2.50 L container at 25 C. Find the partial pressure of N2 in the container?
February 26, 2010 by Caroline

geometry
Find.the.area. perimeter.of square pqrs if one side is equal (1)20cm
December 24, 2010 by Anonymous

geometry
Find.the.area. perimeter.of square pqrs if one side is equal (1)20cm
December 24, 2010 by Anonymous

CHEM
A) a picture shows a container that is sealed at the top by a movable piston. Inside the container is a ideal gas at 1.00atm , 20.0 *C, and 1.00L. (The pic is of a 2L container which has a piston pushed downward to the 1L level. Under the piston, under the 1L mark, is a sample...
October 28, 2007 by K

Biology
bio 1003 lab notes baruch Experimental setup 1 contains live, germinating pea seeds. Experimental setup 2 contains germinated then boiled pea seeds. Experimental setup 3 contains dry pea seeds that have not begun to germinate. Experimental setup 4 is a tube of phenol red and ...
September 7, 2009 by Melissa

chemistry
A 0.10-mol sample of H2(g) and a 0.10-mol sample of Br2(g) are placed in a 2.0-L container. The reaction H2(g) + Br2(g) <----> 2 HBr(g) is then allowed to come to equilibrium. A 0.20 mol sample of HBr is placed into a second 2.0-L sealed container at the same temperature...
February 11, 2013 by Adam

math
The number of sweets in Container X was 24 more than Container Y. When I removed 42 sweets from Container X and transfered then in Container Y,the number of sweets in Container Y became thrice of Container X. Find the number of sweets in Container X first.
February 13, 2012 by Kieron

Chem
Three bulbs are connected by tubing, and the tubing is evacuated. The volume of the tubing is 32.0 mL. The first bulb has a volume of 78.0 mL and contains 2.72 atm of argon, the second bulb has a volume of 250 mL and contains 2.83 atm of neon, and the third bulb has a volume ...
October 10, 2012 by Anonymous

chem
Yesterday, Jason had a sample of helium indoors (T = 23oC) in a sealed container, with a pressure of 760 mm Hg. He got bored and took the container outside, where the temperature was a blistering 35oC. He calculated the new pressure to be 750 mm Hg. Jason knew that this answer...
December 2, 2007 by Tom

chem
A spherical glass container of unknown volume contains helium gas at 25C and 1.950 atm. When a portion of the helium is withdrawn and adjusted to 1.00 atm at 23C, it is found to have a volume of 1.55 cm3. The gas remaining in the first container shows a pressure of 1.710 atm...
November 17, 2007 by mel

chem
A spherical glass container of unknown volume contains helium gas at 25C and 1.950 atm. When a portion of the helium is withdrawn and adjusted to 1.00 atm at 23C, it is found to have a volume of 1.55 cm3. The gas remaining in the first container shows a pressure of 1.710 atm...
November 17, 2007 by mel

chem
A spherical glass container of unknown volume contains helium gas at 25C and 1.950 atm. When a portion of the helium is withdrawn and adjusted to 1.00 atm at 23C, it is found to have a volume of 1.55 cm3. The gas remaining in the first container shows a pressure of 1.710 atm...
November 17, 2007 by mel

Chemistry 1
What is the chemical equation, name, and formula for the follwing? "When strongly heated, magnesium sulfide formed a yellow crystalline deposit on the walls of a sealed reaction vessel. Metallic deposits were found on the bottom of the container"
April 29, 2008 by Christy

chemistry
An ideal gas in a sealed container has an initial volume of 2.50 L. At constant pressure, it is cooled to 14.00 C where its final volume is 1.85 L. What was the initial temperature?
November 6, 2012 by Anonymous

chemistry
An ideal gas in a sealed container has an initial volume of 2.45 L. At constant pressure, it is cooled to 23.00 C where its final volume is 1.75 L. What was the initial temperature?
May 6, 2013 by Doll

Science
You know that a gas in a sealed container has a pressure of 111kPa at 23 Celsius. What will the pressure be if the temperature rises to 475 Celsius?
October 18, 2012 by Anna

Chemistry
Hydrazine, N2H4 can be made (on paper) by reaction of molecular nitrogen and molecular hydrogen, 2 H 2 ( g ) + N 2 ( g ) --> N 2 H 4 ( g ) and suppose that the equilibrium constant Kp has the value 110^3. (a) A stoicheometric mixture of H2 and N2 is placed in a container ...
August 13, 2011 by Katherine

Chemistry
Three liquids of differing densities are studied. Samples of liquid 1 and liquid 2 are placed in a container together. Liquid 1 rises to the top. Another sample of liquid 1 is placed in a different container together with liquid 3. This time, liquid 3 rises to the top. If all ...
July 13, 2014 by Dulce

physics
A container has a large cylindrical lower part with a long thin cylindrical neck. The lower part of the container holds 12.5 m^3 of water and the surface area of the bottom of the container is 5.00 m^(2 ). The height of the lower part of the container is 2.50m and the neck ...
April 21, 2009 by seth

Chemistry
You have a chemical sealed in a glass container filled with air. The glass container has a mass of 200.0 grams and the chemical has a mass of 850 grams. The total mass of the setup is 1050 grams. The chemical is ignited by means of a magnifying glass focusing sunlight onto the...
January 23, 2012 by Staci

chemistry
You have a chemical sealed in a glass container filled with air. The glass container has a mass of 200.0 grams and the chemical has a mass of 800 grams. The total mass of the set-up is 1000 grams. The chemical is ignited by means of a magnifying glass focusing sunlight onto ...
August 1, 2013 by Kris

chemistry
an ideal gas in a sealed container has an initial volume of 2.70L. at constant pressure, it is cooled to 25.00 C where its final volume is 1.75L. what was the initial temperature?
September 18, 2013 by Anonymous

Math/Algabra
The perimeter of a triangle is 102. side b is twice as long as side A. and side C is three less than side B.. how long is each side.
February 13, 2011 by Randy

Physical science
9 mol HI(g)is sealed with H2(g)in an empty 2 dm container when equilibriup is reached by the reaction..H2(g)+I2(g)=2HI(g) at 130 C it found that there are 5 mol HI(g)in the equilibrium mixture.calculate the equilibriup constant
January 31, 2013 by Lillian nhlapo

Chemistry
1.278 mL of water at 10C was placed in a 3.0 L container that was sealed and evacuated. Then, 3440 J of heat was added to the water. Determine the pressure inside the container after heating. (Assume all of the heat goes into the water.) d (H2O(s)) 1.00 g/cm3 Csp(H2O(s)) 2.08...
March 3, 2011 by lisa

Thermal Physics, Kinetic Theory of Gases
Oxygen (O2) has a molar mass of 32 g/mol. (e) Suppose an oxygen molecule traveling at this speed bounces back and forth between opposite sides of a cubical vessel 0.10 m on a side. Find the average force it exerts on one of the walls of the container. (Assume that the molecule...
November 1, 2012 by Help!!

math
if a fish tank shaped like a rectangular prism that is 20cm by 20cm by 16cm. what is the volume of the tank
January 9, 2013 by shemeika

science
how would 10 grams of helium be different that 10 grams of helium in a sealed container.
December 9, 2013 by jaylon

math
Four similar glass tumblers just fit into a cubical box.The area of the top of the circular cover of any one of the tumblers is 4 pi.The area of each side of the box is a. 16 b. 32 c. 32 pi d. 64 e. 64 pi please answer and explain
May 4, 2014 by thomas

math
Four similar glass tumblers just fit into a cubical box.The area of the top of the circular cover of any one of the tumblers is 4 pi.The area of each side of the box is a. 16 b. 32 c. 32 pi d. 64 e. 64 pi please answer and explain
May 9, 2014 by thomas

Physics
A gas is sealed in a container with rigid walls that allow heat to flow through them. A thermal process takes place on the gas. What would be the best model for the type of process?
June 21, 2012 by Peter

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