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July 29, 2014

Search: 0.65 of argon gas is admitted to an evacuated 60 container at 60 . The gas then undergoes an isochoric heating to a temperature of 500 .

Number of results: 7,526

Physics
0.75 mol of argon gas is admitted to an evacuated 40 cm^{3} container at 40 C. The gas then undergoes an isochoric heating to a temperature of 500 C. What is the final pressure of the gas?(answer in kPa)
December 10, 2009 by Ana

physics
0.11 mol of argon gas is admitted to an evacuated 50cm^3 container at 10 degree C. The gas then undergoes an isothermal expansion to a volume of 200cm^3. What is the final pressure of the gas?
April 5, 2010 by paro

physics
0.75 mol of argon gas is admitted to an evacuated 40 cm^{3} container at 40 C. The gas then undergoes an isochoric heating to a temperature of 500 C.
December 11, 2009 by ana

Physics
0.490 mol of argon gas is admitted to an evacuated 50.0 cm^3 container at 60.0 C. The gas then undergoes an isochoric heating to a temperature of 400 C. What is the pressure?
January 26, 2011 by Joe

Physics Help
0.30 mol of argon gas is admitted to an evacuated 50cm^3 container at 20 C. The gas then undergoes an isobaric heating to a temperature of 340C. What is the set up for this? I can plug in the values
August 15, 2011 by Lizzie

Physics
Assume that 0.10 mol of argon gas is admitted to an evacuated 50 cm3 container at 20 C. The gas then undergoes isobaric heating to a temperature of 300 C. What is the final pressure of the gas? What is the final volume?
August 4, 2012 by VW

physics
.10 mol of Argon gas is admitted to an evacuated 50cm cubed container at 20 degrees celsius. The gas then undergoes an isobaric heating to a temperature of 300 degrees celsius. What is the final volume of the gas?
August 3, 2009 by Syed

Physics
0.75 mol of argon gas is admitted to an evacuated 40 cm^{3} container at 40 C. The gas then undergoes an isochoric heating to a temperature of 500 C. Before I forgot to write the question...so the question is What is the final pressure of the gas? * physics - drwls, Friday, ...
December 12, 2009 by Ana

Chemistry
A mixture of Nitrogen and Argon gases in a balloon exerted a pressure of 2.55 atm. Given that there were 1.0 g nitrogen gas and 3.2 g argon gas in the balloon, calculate the partial pressure of argon gas.
May 2, 2011 by Mandy

chemistry
Two identical ballons are filled, one w/ argon the other w/ oxygen gas at the same temp. If the oxygen ballon leaks at the rate of 64 mL per hour, how many hours will it take the argon ballon to lose 195mL of argon gas? so far this what i have now i am stuck Its 64/r2 = sqrt(...
October 15, 2009 by Tom

physics
A container of volume 0.39 m3 contains 8.7 mol of argon gas at 32◦C. Assuming argon behaves as an ideal gas, find the total internal energy of this gas. Answer in units of J.Given: R = 8.31451 J/mol K.
December 4, 2008 by Sandhya

earth/atmosphere
my homework says a,b,and c represent gases what is a? a has 78.09 present by volume and i need to know what gas a stands for....i thought it was argon but argon is already a gas listed...HELP
February 21, 2012 by Anonymous

chem
Two identical ballons are filled, one w/ argon the other w/ oxygen gas at the same temp. If the oxygen ballon leaks at the rate of 64 mL per hour, how many hours will it take the argon ballon to lose 195mL of argon gas? formula: rate 1/rate 2=square root of m1/m2
October 15, 2009 by Tom

Chemistry
what is the percent (m/m) of argon gas in a mixture containing 45.0 grams of argon gas and 85.0 grams of helium gas
May 8, 2012 by Allisyn

Chemistry
A "neon" sign contains 2.410^2mL of argon. Assuming that the gas is at standard temperature and pressure, there is 1.00 moles of gas per 22.4 L of volume. How many argon atoms are present in this sign?
June 5, 2013 by Anonymous

Chemistry
SHOW WORK A cylinder contains 36.5g of argon gas at a pressure of 8.20atm. The valve is opened and gas is allowed to escape until the pressure is reduced to 4.75atm at constant temperature. How many grams of argon escaped?
December 4, 2013 by Caitlyn

Chemistry
A "neon" sign contains 2.410^2mL of argon. Assuming that the gas is at standard temperature and pressure, there is 1.00 moles of gas per 22.4 L of volume. How many argon atoms are present in this sign? a. 6.51021 b. 2.81022 c. 3.21024 d. 9.910-23
June 5, 2013 by Anonymous

physics
Some incandescent light bulbs are filled with argon gas. What is vrms for argon atoms near the filament, assuming their temperature is 2100 K?
December 6, 2013 by angela

chem.
What is the total pressure in of a gas mixture containing argon gas at 0.25 , helium gas at 385 , and nitrogen gas at 345 .
September 6, 2012 by katy

Chemistry
A "neon" sign contains 2.4102mL of argon. Assuming that the gas is at standard temperature and pressure, there is 1.00 moles of gas per 22.4 L of volume. How many argon atoms are present in this sign? a. 6.510^21 b. 2.810^22 c. 3.210^24 d. 9.910^-23
June 5, 2013 by Anonymous

chemistry please help
What is the total pressure in of a gas mixture containing argon gas at 0.25 , helium gas at 385 , and nitrogen gas at 345
September 6, 2012 by katy

chem
What is the total pressure in mm Hg of a gas mixture containing argon gas at 0.25 atm helium gas at 350 mm,Hg, and nitrogen gas at 360 torr.
July 10, 2010 by andy

Chemistry
A "neon" sign contains 2.410^2 mL of argon. Assuming that the gas is at standard temperature and pressure, there is 1.00 moles of gas per 22.4 L of volume. How many argon atoms are present in this sign? (a). 6.510^21 (b). 2.810^22 (c). 3.210^24 (d). 9.910^-23
June 5, 2013 by Anonymous

Chemistry
A "neon" sign contains 2.410^2 mL of argon. Assuming that the gas is at standard temperature and pressure, there is 1.00 moles of gas per 22.4 L of volume. How many argon atoms are present in this sign? (a)6.510^21 (b)2.810^22 (c)3.210^24 (d)9.910^-23
June 6, 2013 by Anonymous

Chemistry
a 5.00 Liter tank holds argon gas a 675 kPa and 11C. what would be its pressure if this argon is transferred to a different tanks whose volume is 17.0 liters at 135C?
January 11, 2011 by Hunter

Chemistry
a 5.00 Liter tank holds argon gas a 675 kPa and 11C. what would be its pressure if this argon is transferred to a different tanks whose volume is 17.0 liters at 135C?
January 11, 2011 by Hunter

Chemistry
a 5.00 Liter tank holds argon gas a 675 kPa and 11C. what would be its pressure if this argon is transferred to a different tanks whose volume is 17.0 liters at 135C?
January 11, 2011 by Hunter

Chemistry
A sample of argon gas at STP occupies 56.2 liters. Find the number of moles of argon and the mass in the sample
April 27, 2013 by Emily

Chemistry
A cylinder of argon gas contains 125 mol at a pressure of 150 atm and a temperature of 27C. After some of the argon has been used, the pressure is 136 atm at 27C. What mass of argon remains in the cylinder? A) 4.23 103 g B) 113 g C) 5.52 103 g D) 4.52 103 g E) 5.00 ...
June 14, 2009 by Zandria

physics
A cylinder with a movable piston holds 2.75 mol of argon gas at a constant temperature of 295 K. As the gas is compressed isothermally, its pressure increases from 101 kPa to 121 kPa. Find (a) the final volume of the gas, (b) the work done by the gas, and (c) the heat added to...
October 31, 2011 by Matthias Schwartzkopf

chemistry please help i cant figure this out
What is the total mmHg pressure in of a gas mixture containing argon gas at 0.25atm , helium gas at 385mmHg , and nitrogen gas at 345torr. ? sorry i didnt relize i left them out.
September 6, 2012 by katy

Chemistry
Hi there - My labs and lectures aren't in synch at the moment so we are now doing a prelab that is asking for info I haven't been taught yet uggg... The prelab question I'm having trouble with is as follows: What is the volume at STP for 0.415 g of argon gas? Also, what is the...
October 29, 2011 by Help

physics- pressure/gas
Suppose 2500 J of heat are added to 4.1 mol of argon gas at a constant pressure of 120 kPa. (Assume that the argon can be treated as an ideal monatomic gas.) Find the change in internal energy. I started using U = N (3/2 kB T). But I have too many unknowns. The only other ...
June 21, 2007 by AC

physics
A cylinder with a moveable piston holds 3.00 of argon at a constant temperature of 300 . As the gas is compressed isothermally, its pressure increases from 101 to 125 .Find the final volume of the gas.Find the work done by the gas.Find the heat added to the gas.
December 9, 2010 by demitri

CHEMISTRY
a gas mixtuer consists of equal masses of methane(molecular weight 16.0) and argon (atomic weight 40.0) if the partial pressure of argon is 26.6 kPa, what is that of methane in the same units? 10.7 26.7 66.7 34.1 I am going with 26.7 Do you agree and why please Thanks Andy
May 11, 2010 by Andy

Chemistry
A 1.30-L sample of argon gas is at 1.02 atm and 21.5 degrees Celsius. a. what mass of argon is in the container. b. If the temperature is raised to 500 degrees celsius while the volume remains constant, calculate the new pressure, in stmospheres.
November 9, 2012 by Dee

AP Chemistry
We mix 193 grams of oxygen gas with 39 grams of argon gas in a volume of 1140 mL at 37C. What will be the final pressure of the gas mixture?
October 15, 2013 by Anonymous

gas laws
A balloon contains 10.0g of neon gas. With T kept constant, 10.0g of argon gas is added, and the volume of the balloon expands by less than 2 times. Why?
November 13, 2012 by Parkin

gas laws
A balloon contains 10.0g of neon gas. With T kept constant, 10.0g of argon gas is added, and the volume of the balloon expands by less than 2 times. Why?
November 13, 2012 by Parkin

Chemistry
An unknown amount of gas occupies 30.0 L at 2.1 ATM and 298K. How many moles does the sample contain? What is the mass if the gas is helium? What is the mass if the gas is argon?
April 10, 2013 by Jake

Chemistry
An unknown amount of gas occupies 30.0 L at 2.1 atm and 298K. How many moles does the sample contain? What is the mass if the gas is helium? What is the mass if the gas is argon?
April 10, 2013 by Ryan

Chemistry
An unknown amount of gas occupies 30.0 L at 2.1 atm and 298K. How many moles does the sample contain? What is the mass if the gas is helium? What is the mass if the gas is argon?
April 12, 2013 by Ryan

Chem hw!
1. What pressure would be needed to compress 25.1 mL of hydrogen at 1.01 atm to 25% of its original volume? 2. If the pressure on a 1.04-L sample of gas is doubled at constant temperature, what will be the new volume of the gas? 3. A 1.04-L sample of gas at 759 mm Hg pressure ...
March 11, 2010 by Teisha

Chem hw!
1. What pressure would be needed to compress 25.1 mL of hydrogen at 1.01 atm to 25% of its original volume? 2. If the pressure on a 1.04-L sample of gas is doubled at constant temperature, what will be the new volume of the gas? 3. A 1.04-L sample of gas at 759 mm Hg pressure ...
March 11, 2010 by Teisha

ap chemistry
We mix 146 grams of oxygen gas with 117 grams of argon gas in a volume of 436 mL at 58C. What will be the final pressure of the gas mixture? Answer in units of atm
February 9, 2013 by cheri

chemistry
Dr bob can you help with my last question for tonights home work please A gas mixture consists of equal parts of methane(molecular weight 16.0) and argon (atomic weight40.0). if the partial pressure of argon is 26.6 kPa what is that of methane in the same units? 10.7 26.7 66.7...
May 11, 2010 by Andy

sciencee
1. What pressure would be needed to compress 25.1 mL of hydrogen at 1.01 atm to 25% of its original volume? 2. If the pressure on a 1.04-L sample of gas is doubled at constant temperature, what will be the new volume of the gas? 3. A 1.04-L sample of gas at 759 mm Hg pressure ...
March 9, 2010 by Teisha

Chemistry H
120 ml of a gas is in a flask at STP. If the gas is argon, what mass of gas is in the flask?
June 20, 2013 by c

chemistry
When an evacuated glass bulb at 75.0 ml volume is filled with a gas at 25.3 degrees C and 747 mm Hg, the bulb gains 0.0114g. The gas is?
October 27, 2010 by Tara

Chemistry
1. A sample of argon gas is at a pressure of 1.24 x 10^4 kPa and a temperature of 24C in a rigid 25-L tank. How many moles of argon does this tank contain? I ended up with .130 but its 130 Can someone tell me what I did wrong? This whole chapter on gases is really confusing ...
August 11, 2010 by Anonymous

Physics Urgent
A container of volume V = 103 cm3 has a mass of 30.0042 g when evacuated. When the container is filed with an unknown gas of pressure p = 4.72 atm at temperature T = 20oC, the mass of the system increases to 30.9508 g. Assuming that the unknown gas behaves like an ideal gas, ...
November 8, 2010 by Sydney

Physics Urgent
A container of volume V = 103 cm3 has a mass of 30.0042 g when evacuated. When the container is filed with an unknown gas of pressure p = 4.72 atm at temperature T = 20oC, the mass of the system increases to 30.9508 g. Assuming that the unknown gas behaves like an ideal gas, ...
November 8, 2010 by Sydney

science
30 cubic meters of argon gas are kept under constant pressure. The gas is heated from 10.0 degrees Celsius to 293 degrees Celsius. What is the new volume of the gas?
March 18, 2014 by tyler

Physics
A cylinder with a moveable piston holds 2.60 mol of argon at a constant temperature of 295 K. As the gas is compressed isothermally, its pressure increases from 101 kPa to 149 kPa. (a) Find the final volume of the gas. Answer in m3 (b) Find the work done by the gas. Answer in ...
April 15, 2011 by steve

chemistry
A sample of argon gas occupies a volume of 950 mL at 25.0C. What volume will the gas occupy at 50.0C if the pressure remains constant?
March 16, 2010 by catherine

chemistry
A sample of argon gas occupies a volume of 950 mL at 25.0C. What volume will the gas occupy at 50.0C if the pressure remains constant?
June 12, 2010 by lara

chemistry
A sample of argon gas occupies a volume of 295ml at 36 C. What volume will the gas occupy at 55 assuming constant pressure?
May 30, 2011 by Anonymous

chemistry
An 0.727 mol sample of argon gas at a temperature of 22.0 C is found to occupy a volume of 26.2 liters. The pressure of this gas sample is how many mm Hg?
May 5, 2014 by Sarah

chemistry
sample of argon gas collected at a pressure of 1.11 atm and a temperature of 28.0 oC is found to occupy a volume of 20.3 liters. How many moles of Ar gas are in the sample?
November 5, 2011 by jen

Chemistry
A sample of Argon gas at standard pressure occupies 1000 mL. At constant temperature, what volume does the gas occupy if the pressure increases to 800 mm Hg?
November 13, 2011 by Jessie

chemistry
a sample of argon gas at standard pressure ocupies 100ml. at constant temp, what volume does the gas occupy if the temp increases to 800mmHg
April 25, 2013 by Deveigh

chemistry
In a gas mixture, the partial pressures are argon 393 mm Hg, neon 73 mm Hg, and nitrogen 119 mm Hg. What is the total pressure (atm) exerted by the gas mixture?
April 26, 2013 by Kendyl

Chemistry
Ideal gas law question A 4.0 liter container has two gases inside, neon and argon. It is known that at 18 C, the total pressure of the combined gases is 0.850 atm. If it is known that there are 0.100 moles of neon in the container, how many moles of argon are in the container...
April 25, 2011 by Thao

ap chemistry
An apparatus consists of a 2 L flask containing nitrogen gas at 25C and 819 kPa, joined by a valve to a 12 L flask containing argon gas at 25C and 51 kPa. The valve is opened and the gases mix. What is the partial pressure of nitrogen after mixing? Answer in units of kPa ...
February 9, 2013 by cheri

chem
A 1L flask is filled with 1.25 g of argon at 25 degrees celcium. A sample of ethane vapor is added to the same flask until the total pressure is 1.45 atm. What is the partial pressure of argon in the flask? Chemistry - DrBob222, Tuesday, October 5, 2010 at 9:00pm mols Ar = 1....
October 24, 2013 by kris

Chemistry-Please help
If 1.00mol of argon is placed in a 0.500- container at 28.0 degree Celsius, what is the difference between the ideal pressure (as predicted by the ideal gas law) and the real pressure (as predicted by the van der Waals equation)? For argon,a=1.345(L square. atm)/mol square and...
October 16, 2009 by Rose

chemistry
Triple Point Clicker Challenge The Lewis structure for nitroglycerin is shown below. 1.00 mL of liquid nitroglycerin is placed in a sealed, reinforced, insulated steel box measuring 1.00 m on each side and filled with argon gas at 15.0 oC and 1.00 atm. The density of ...
November 10, 2008 by james

chem
Consider the following chemical equilibrium: SO3(g) --> SO2(g) + 1/2 O2(g) and Delta H = 98.9J i. adding oxygen gas ii. compressing the system at constant temperature iii. adding argon gas iv. removing sulfur dioxide gas v. decreasing the temperature Which of the above (i-v...
March 9, 2008 by Anonymous

chem
The diameter of a neutral argon atom is about 2.0 multiplied by 102 pm. Suppose that we could line up argon atoms side by side in contact with one another. Approximately how many argon atoms would it take to make the distance 1 cm from end to end?
September 8, 2008 by jamie

Chemistry
A sample of argon gas has a volume of 715 mL at a pressure of 1.34 atm and a temperature of 144 Celsius. What is the volume of the gas in milliliters when the pressure and temperature of the gas sample are changed to 622 mmHg and 321 K?
May 15, 2010 by Kelly

Gas Laws and Energy
I have another question. I've tried it and i keep getting it wrong. The average kinetic energy of a 1.85-g sample of argon gas in a 3.00-L bulb is 1.28e-22 J/atom. What is the pressure of the gas? What is the root mean square velocity of the argon atoms under these conditions...
March 2, 2007 by Jay

Chemistry 211
Chlorine pentafluoride gas is collected at -14.0 degrees Celcius in an evacuated flask with a measured volume of 30.0L When all the gas has been collected, the pressure in the flask is measured to be 0.260atm. Calculate the mass and number of moles of chlorine pentafluoride ...
January 13, 2011 by Melissa Carder

chem
how many moole of helium gas is needed to pressurize an evacuated 25.0L tank to a pressure of 120 atm at 25.0 C ?
February 23, 2013 by Stephanie

Chemistry
A compressed gas cylinder contains 1.00 103 g of argon gas. The pressure inside the cylinder is 2096 psi (pounds per square inch) at a temperature of 19C. How much gas remains in the cylinder if the pressure is decreased to 656 psi at a temperature of 27C?
February 9, 2012 by Elizabeth

AP Chemistry
Part 1 of 3: An apparatus consists of a 2 L flask containing nitrogen gas at 30 degrees C and 758 kPa, joined by a valve to a 11 L flask containing argon gas at 30 degrees C and 49.7 kPa. The valve is opened and the gases mix. What is the partial pressure of nitrogen after ...
February 16, 2014 by Gabriella

chemistry
A compressed gas cylinder contains 1.00 103 g of argon gas. The pressure inside the cylinder is 2035 psi (pounds per square inch) at a temperature of 15C. How much gas remains in the cylinder if the pressure is decreased to 610. psi at a temperature of 30.C? Thanks for the ...
April 14, 2010 by kristen

chemistry
Consider the following chemical equilibrium: SO3(g) --> SO2(g) + 1/2 O2(g) and Delta H = 98.9J a. Predict weather the forward or reverse reaction will occur when the equilibrium is disturbed by: i. adding oxygen gas ii. compressing the system at constant temperature iii. ...
March 6, 2008 by linda

science
What is the average velocity of the argon atoms in the gas phase at 75F?
May 18, 2011 by Mike

Chem
Can someone check these homework answers please? 32. The barometric pressure measured outside an airplane at 9 km was 259 mmHg. Calculate the pressure in kPa. 34.5 kPa 36. A diving bell is a container open at the bottom. As the bell descends, the water level inside changes so ...
November 11, 2008 by Anna

physical science
Describe why chemists might sometimes store reactive chemicals in argon, Ar: To which family does argon belong?
November 30, 2008 by Jameisha

Chemistry
What is the volume occupied by 12.3 g or argon gas at a pressure of 1.17 atm and a temperature of 455K?
April 8, 2012 by B

physics
What is the pressure inside a 33.1 L container holding 109.1 kg of argon gas at 399 K?
November 12, 2012 by Ericka

chemistry
sulfur trioxide gas dissociates into sulfer dioxide gas and oxygen gas at 1250 degrees C. In an experiment, 3.6 moles of sulfur trioxide were placed into an evacuated 3.0-L flask. THe concentration of sulfur dioxide gas measured at equilibrium was found to be 0.20 M. What is ...
April 29, 2007 by alexa

Advance Chemistry
A series of measurements are made in order to determine the molar mass of an unknown gas. First, a large flask is evacuated and found to weigh 134.567 g. It is then filled with the gas to a pressure of 735 torr at 31C and reweighed; its mass is now 137.456 g. Finally, the ...
March 6, 2008 by A51AN

Chemistry
How many moles of Sulfur are in 1 mole of Al2(SO4)3 and If the densitry of a noble gas is 1.783 g/L at STP, that gas is.... My guess: Argon? Then theres a question that says "Which as the greater mole.... and it lists things like: 1 mole Of Ar 1 Mole of O How would you figure ...
February 15, 2013 by Bryce

Chemistry
The isotopes of argon have the following relative abundances: Ar-36 0.34% Ar-38 0.06% Ar-40 99.66% Estimate the average atomic mass of argon. How would I go about doing this?
October 20, 2007 by Marty

chemistry
If a 1.59 mole sample of argon occupies 3.07 L at constant temperature and pressure then what volume will 4.35 moles of argon occupy at the same conditions?
April 2, 2013 by sarah

Chemistry
Each of four identical tires of a car is filled with a different gas. Gas pressure in each tire is 3.0 atm at 25oC. One tire contains neon, another argon, the 3rd one has krypton, and the last one has unknown gas. How many molecules are there in each tire? So far, I have ...
November 12, 2008 by Jordan

chemistry
What volume (in liters) does 3 g sample of Argon (Ar) gas occupy at standard conditions (STP)?
February 24, 2009 by margaret

chemistry
How many moles of argon gas are present in 70l of volume with a pressure of 280atm at 21c?
February 9, 2011 by twynna

chemistry
How many moles of argon gas are present in 70L of volume with a pressure of 180atm at 21c?
February 20, 2011 by twynna

chemistry
How many moles of argon gas are present in 70L of volume with a pressure of 180atm at 21C?
March 10, 2011 by twynna

chemistry
How many moles of argon gas are present in 70L of volume with a pressure of 180atm at 21C?
March 11, 2011 by n/a

science
Calculate the fraction of atoms in a sample of argon gas at 365 K that has an energy of 11.0 kJ or greater.
February 9, 2013 by Hannah

Chemistry 1
if 0.500mol of argon gas occupies 2.10L at 735mmHg, what is the temperature if degrees Celsius
April 30, 2013 by Me

chemtry 1
If 0.500mol of argon gas occupies 2.35L at 725mmHg what is the temperature in degrees Celsius?
April 18, 2014 by shadow16

chemistry
A gas mixture contains oxygen and argon at partial pressures of 0.60 atm and 425 mmhg. If nitrogen gas added to the sample increases the total pressure to 1250 torr, what is the partial pressure in torr?
April 3, 2011 by Jane

chemistry
What is the approximate energy required to raise the temperature of 5 L of air by 230 °C? The volume is held constant. (Assume air almost entirely consists of nitrogen, oxygen, and argon, and that it is initially at 273 K. Cv for nitrogen=20.7,oxygen=21 and argon=12.5 ...
April 17, 2012 by saira

chemistry
What is the approximate energy required to raise the temperature of 5 L of air by 230 C? The volume is held constant. (Assume air almost entirely consists of nitrogen, oxygen, and argon, and that it is initially at 273 K. Cv(specific heat) for nitrogen=20.7,oxygen=21 and ...
April 17, 2012 by saira

Chemistry
Calculate what mass of argon gas is required to full a 20.4-L container to a pressure of 1.09 atm at 25C
March 30, 2010 by Anonymous

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