Thursday

April 17, 2014

April 17, 2014

Number of results: 50,510

**Chemistry**

Also: A gas has a volume of 450.0 mL. If the temperature is held constant, what volume would the gas occuply if the pressure were doubled?
*Wednesday, March 18, 2009 at 11:18pm by Chopsticks*

**chemistry**

A fixed quantity of gas at 27°C exhibits a pressure of 729 torr and occupies a volume of 5.70 L. (a) Use Boyle's law to calculate the volume the gas will occupy if the pressure is increased to 1.75 atm while the temperature is held constant. (b) Use Charles's law to calculate ...
*Tuesday, April 27, 2010 at 6:02pm by Chase*

**chemistry**

A fixed quantity of gas at 27°C exhibits a pressure of 729 torr and occupies a volume of 5.70 L. (a) Use Boyle's law to calculate the volume the gas will occupy if the pressure is increased to 1.75 atm while the temperature is held constant. (b) Use Charles's law to calculate ...
*Friday, April 30, 2010 at 9:34am by chase*

**chemistry**

A fixed quantity of gas at 27°C exhibits a pressure of 729 torr and occupies a volume of 5.70 L. (a) Use Boyle's law to calculate the volume the gas will occupy if the pressure is increased to 1.75 atm while the temperature is held constant. (b) Use Charles's law to calculate ...
*Friday, April 30, 2010 at 9:35am by chase*

**chemistry**

The temperature of a 4.00 L sample of gas is changed from 10.0 C to 20.0 C. What will the volume of this gas be at the new temperature if the pressure is held constant?
*Thursday, March 17, 2011 at 2:57pm by Samantha :)*

**chemistry**

A gas has a volume of V1 = 550 mL. If the temperature is held constant, what volume would the gas occupy if P2 = 22 P1?
*Monday, April 11, 2011 at 5:33pm by John*

**Chemistry**

At standard temperature a gas has a volume of 275ml if the temperature is increased to 130C buit the pressure is held constant what is the new volume?
*Tuesday, April 19, 2011 at 11:08am by Karla*

**Chem **

Assume the volume of a filter flask is 250.0mL. You have added (25.0 + 10.0)mL of solution so the volume of gas is (250.0 - 35.0) = 215.0mL. Calculate the extra volume of gas forced into the burette because of the measured average temperature of 23 degrees Celsius.
*Wednesday, October 20, 2010 at 2:36pm by Alix*

**Chemistry help!**

A sample of gas at a temperature of 37.0°C has a pressure of 725 torr and occupies a volume of 3.44 L. a. Use Boyle’s law to calculate the new pressure if the temperature is held constant and the volume is increased to 6.54 L. torr b. Use Gay-Lussac’s law to calculate the new ...
*Wednesday, February 26, 2014 at 6:46pm by Chelsey*

**chemistry**

a gas has a volume of 95 mL at a pressure of 930 torr. What volume will the gas occupy at standard temperature if pressure is held constant?
*Sunday, January 26, 2014 at 3:48pm by Mikhail*

**Physics**

The pressure of a gas in a cylinder with a movable piston is increased from 45 kPa to 90 kPa. If the temperature is held constant, and the initial volume of the gas in the cylinder is 0.5 m^3, what is the final volume of the gas? a. 2 m^3 b. 1 m^3 c. 0.5 m^3 d. 0.25 m^3 e. 0....
*Tuesday, January 22, 2013 at 10:34pm by Tommy*

**Science**

A gas has a volume of V1 = 550 mL. If the temperature is held constant, what volume would the gas occupy if P2 = 22 P1? Answer in units of mL
*Sunday, March 2, 2014 at 6:00pm by Angela*

**chemistry**

a gas occupies a volume of 5.00L at 27 degreesC and 742 mmHg. if the volume is held constant and the temperature is increased by 2 degreesC, what is the final pressure of the gas?
*Tuesday, December 11, 2012 at 11:40pm by Nessa Marie Mejares*

**chemistry**

At standard temperature, a gas has a volume of 312 mL. The temperature is then increased to 115◦C, and the pressure is held constant. What is the new volume? Answer in units of mL
*Thursday, February 21, 2013 at 11:34pm by Anonymous*

**Physics**

As its volume is doubled from an initial value of 0.088 m3, a sample of gas is held at a constant pressure of 3.4 × 104 Pa by heating. Then, while a constant volume is maintained, the gas is cooled back to its initial temperature. The work that the gas does on the environment ...
*Thursday, June 21, 2012 at 1:30pm by Kaley*

**science**

A fixed quantity of gas at 22°C exhibits a pressure of 739 torr and occupies a volume of 5.46 (a) Calculate the volume the gas will occupy if the pressure is increased to 1.74 atm while the temperature is held constant.
*Friday, December 14, 2012 at 5:31pm by Samantha*

**chemistry**

Q: If the temperature is constant, what change in volume would cause the pressure of an enclosed gas to be reduced to one quarter of its original value? I think if the chance in volume increases, the pressure of the gas decreases. Q: Assuming the gas in a contain remains at a ...
*Tuesday, March 4, 2008 at 12:30pm by stacie*

**Chemistry**

1. Calculate the number of molecules in a deep breath of air whose volume is 2.15 L at body temperature, 36 degrees Celsius, and a pressure of 740 torr. 2.A fixed quantity of gas at 24 degrees Celsius exhibits a pressure of 740 torr and occupies a volume of 4.42 L. a)Use Boyle...
*Monday, November 2, 2009 at 9:49pm by Emory*

**physics**

Your question does not make sense. A quantity of material can have a heat capacity, but a process does not. The molar specific heat at constant volume for a diatomic gas is (5/2)R (R is the ideal gas constant) The molar specific heat at constant pressure for a diatomic gas is...
*Thursday, May 16, 2013 at 3:49am by drwls*

**Physics**

The rms speed of a sample of gas is increased by 5% . What is the percent change in the temperature of the gas? What is the percent change in the pressure of the gas, assuming its volume is held constant? please help!!
*Thursday, December 10, 2009 at 2:42pm by Jim*

**Physics**

The rms speed of a sample of gas is increased by 8% . What is the percent change in the temperature of the gas? What is the percent change in the pressure of the gas, assuming its volume is held constant? PLEASE HELP THANKS :)
*Thursday, December 10, 2009 at 2:42pm by Christy*

**PHYSICS**

The rms speed of a sample of gas is increased by 8% . What is the percent change in the temperature of the gas? What is the percent change in the pressure of the gas, assuming its volume is held constant? PLEASE HELP
*Tuesday, December 7, 2010 at 9:18pm by Christy*

**Chemistry**

At standard temperature, a gas has a volume of 275mL. The temperature is then increased to 130. Celcius, and the pressure is held constant. What is the new volume? How do I work this? v1 = 275mL t1 = 130. C or 403K v2=??? t2 = ??? Can someone help me please?
*Thursday, March 19, 2009 at 10:28pm by Chopsticks*

**physics**

<<a container of gas is at pressure of 3.7*10^3 Pa. How much work is done by the gas if its volume expands by 1.6 m. 5.92 * 10^5 >> Please limit yourself to one question per post. What are the dimensions of your answer? The work done depends upon whether the ...
*Tuesday, February 17, 2009 at 8:49pm by drwls*

**science... PLEASE HELP!**

Say you want to show the relationship between pressure and volume of a gas If you change the pressure with a constant number of molecules of gas and a constant temperature you will hopefully get something like P1 V1 = P1 V2 HOWEVER if you let the temperature vary or some gas ...
*Thursday, January 23, 2014 at 5:03pm by Damon*

**Physics**

The pressure of a gas in a cylinder with a movable piston is increased from 45 kPa to 90 kPa. If the temperature is held constant, and the initial volume of the gas in the cylinder is 0.5 m3, what is the final volume of the gas? a. 2 m3 b. 1 m3 c. 0.5 m3 d. 0.25 m3
*Tuesday, January 22, 2013 at 9:43pm by Tommy*

**Physics**

The pressure of a gas in a cylinder with a movable piston is increased from 45 kPa to 90 kPa. If the temperature is held constant, and the initial volume of the gas in the cylinder is 0.5 m3, what is the final volume of the gas? a. 2 m3 b. 1 m3 c. 0.5 m3 d. 0.25 m3
*Tuesday, January 22, 2013 at 9:43pm by Tommy*

**Chemistry**

To what Celsius temperature must 44.5 mL of methane gas at 43.0°C be changed so the volume will be 63.0 mL? Assume the pressure and the amount of gas are held constant.
*Sunday, May 2, 2010 at 2:30pm by Megan*

**Chemistry**

To what Celsius temperature must 32.5 mL of methane gas at 60.0°C be changed so the volume will be 62.0 mL? Assume the pressure and the amount of gas are held constant.
*Thursday, April 14, 2011 at 3:46pm by Mary*

**chemistry**

At atmospheric pressure, a sample of O2 gas has a volume of 55mL at 27 degrees celcius. What volume in mL will the O2 gas occupy if the temperature is decreased 0 degrees C and the pressure is held constant?
*Tuesday, November 24, 2009 at 3:43pm by jeff*

**chemistry**

A gas has a volume of 91 ml at a temperature of 91°C. This gas is kept at constant pressure but its temperature is reduced to 0.0°C. At this temperature the volume of the gas will be approximately
*Wednesday, November 18, 2009 at 2:44pm by patricia*

**Science**

Consider a mole of CO2 and a mole of N2O each at STP. Which of the following statements are true? Check all that apply. ~Both gases will have approximately the same density at these conditions. ~When the volume is not held constant, raising the temperature will decrease the ...
*Thursday, April 14, 2011 at 2:43pm by Laura*

**Physics**

A piston contains 1m^3 of helium at a temperature of 250 K and an absolute pressure of 1.0kPa. The following changes are made in sequence: (a) First the volume of the piston is decreased to 0.2 m^3 while the temperature is kept constant, what is the pressure of the gas? (b) ...
*Thursday, February 17, 2011 at 9:02pm by Pressure of gas*

**chemistry**

the pressure on a gas at-73 Cis doubled, but its volume is held at constant. What will the final temperature be in degrees Cesius?
*Sunday, November 14, 2010 at 12:11pm by chelsey*

**osu**

The ideal gas law states that for n moles of gas, the following relation applies: PV=nRT where P=pressure V=volume R=constant T=temperature in °K In the present case, P and n (and R) remain constant, from which we can conclude that the volume varies directly proportional ...
*Tuesday, November 23, 2010 at 12:02pm by MathMate*

**Chemistry**

A sample of gas is in a 50.0mL container at a pressure of 86 kPa and a temperature of 25°C. The entire sample is heated to a temperature of 35°C and transferred to a new container whose volume is 65.0mL. The pressure of the gas in the second container is: 64 kPa 115.6 kPa 101....
*Thursday, May 5, 2011 at 3:48am by Bai*

**chemistry**

Convert temperature to celsius. convert pressure to atmospheres. convert volume to liters. R=> gas constant. use PV=nRT P= pressure V= volume n= moles of gas R= gas constant T= temperature
*Tuesday, April 29, 2008 at 7:53pm by ~christina~*

**Math**

Charles's Law states that at constant pressure, the volume of a fixed amount of gas varies directly with its temperature measured in degrees Kelvin. A gas has a volume of 250 mL at 300 K. what is an equation for the relationship between volume and temperature?
*Saturday, January 24, 2009 at 6:13pm by Angie*

**Science**

When scientists record the volume of a gas, why do they also record the temperature and the pressure? Because the P and T affect the volume of the gas. A measure of matter is mass, to get the mass of gas one must know volume, temperature, and pressure. The density of a gas is ...
*Saturday, October 28, 2006 at 10:43pm by Electra*

**science**

As the pressure of a fixed mass of a gas is increased at constant temperature, the density of the gas increases? As the absolute temperature of a fixed mass of an ideal gas is increased at constant pressure, the volume occupied by the gas increases? The absolute temperature of...
*Saturday, November 24, 2007 at 2:38am by Anonymous*

**Chemistry**

To what Celsius temperature must 44.5 mL of methane gas at 43.0°C be changed so the volume will be 63.0 mL? Assume the pressure and the amount of gas are held constant. I have already tried T1V1=T2V2
*Sunday, May 2, 2010 at 3:14pm by Megan*

**Eighth Grade Science**

A tube has gas within it whose volume equals 250 liters at a temperature of 300 celsius K . If the pressure of the gas is kept constant, what will the temperature be if the gas volume is increased by 50 liters ?
*Wednesday, November 19, 2008 at 5:06pm by Jordan*

**Chemistry **

A gas has a volume of 50.0 cm3 at a temperature of -73°C. What volume would the gas occupy at a temperature of -123°C if the pressure stays constant
*Sunday, June 12, 2011 at 9:33pm by Richard*

**physics**

The volume of a gas is 2.6 L and its temperature is 338 K . If the volume of the container were changed to 3.2 L, what temperature would the gas be? (All other values remain constant.)
*Tuesday, April 10, 2012 at 9:02pm by jwayne*

**chemistry**

A gas has a volume of 50.0 cm3 at a temperature of -73°C. What volume would the gas occupy at a temperature of -123°C if the pressure stays constant?
*Monday, April 23, 2012 at 7:46pm by devin*

**Chemistry**

To what Celsius temperature must 44.0 mm Hg of methane gas at 89.0°C be changed so the pressure will be 83.0 mm Hg? Assume the volume and the amount of gas are held constant.
*Saturday, May 1, 2010 at 2:25pm by Tiffany*

**Chemistry**

What is the final volume of 880. mL of hydrogen gas at 335 mm Hg if the pressure is increased to 735 mm Hg? Assume the temperature and the amount of gas are held constant.
*Saturday, May 1, 2010 at 2:27pm by Tiffany22*

**calculus**

Boyle's law states that if the temperature of a gas remains constant, then PV = c. Where P is the pressure, V is the volume, and c is a constant. Given a quantity of gas at constant temperature, if V is decreasing at a rate of 13 in.^3/s, at what rate is P increasing when P = ...
*Sunday, May 2, 2010 at 11:38pm by Hussain*

**Chemestry**

A cylinder with a movable piston contains 2.00g of helium, , at room temperature. More helium was added to the cylinder and the volume was adjusted so that the gas pressure remained the same. How many grams of helium were added to the cylinder if the volume was changed from 2....
*Saturday, October 3, 2009 at 7:28pm by Monica *

**General Chemistry**

A cylinder with a movable piston contains 2.00g of helium,He, at room temperature. More helium was added to the cylinder and the volume was adjusted so that the gas pressure remained the same. How many grams of helium were added to the cylinder if the volume was chanded from 2...
*Wednesday, June 20, 2012 at 1:02pm by Kim*

**Physics **

A cylinder with a piston is filled with ideal gas. The gas temperature is held at 450 K. The cylinder is heated by an oven through a square metal rod connected between the oven and the cylinder. The rod has sides d = 2 cm and length L = 2.3 m. (a) If the oven is held at 850 K...
*Friday, November 12, 2010 at 9:11pm by Need Help*

**PHYSICS**

One mole of oxygen gas is at a pressure of 5.25 atm and a temperature of 29.5°C. (a) If the gas is heated at constant volume until the pressure triples, what is the final temperature? ____°C (b) If the gas is heated so that both the pressure and volume are doubled, what is the...
*Wednesday, November 14, 2012 at 11:12pm by Sarah*

**Chemistry**

The pressure on a gas at -58 degrees Celcius is doubled, but its volume is held constant. What will the final temperature be in degrees Celsius?
*Sunday, March 9, 2014 at 4:08pm by Linda*

**chem**

a gas volume has of v1=450ml. if the temp is held constant, what volume would gas occupy if the pressure p2=2p1? omg i cant figure anything out!!!!!!!!
*Wednesday, June 4, 2008 at 12:06am by amie*

**Chem-Temperature and Volume Relationships**

What condition must be true when conducting temperature volume measurement? Why would a rubber balloon be a poor system for this kind of expirement? The general equation is (P1V1)/T1 = (P2V2)/T2 If V and T are being studied, then P must be held constant. Would you think P ...
*Thursday, January 25, 2007 at 2:51pm by Chrissy*

**CHEM**

A cylinder with a movable piston contains 2.00 of helium, , at room temperature. More helium was added to the cylinder and the volume was adjusted so that the gas pressure remained the same. How many grams of helium were added to the cylinder if the volume was changed from 2....
*Friday, October 24, 2008 at 6:42pm by Kara*

**Chemestry**

A cylinder with a movable piston contains 2.00 of helium, , at room temperature. More helium was added to the cylinder and the volume was adjusted so that the gas pressure remained the same. How many grams of helium were added to the cylinder if the volume was changed from 2....
*Saturday, October 3, 2009 at 7:28pm by Monica *

**Chemistry;HELP**

1. What volume will a sample of hydrogen occupy at 128.0 oC if the gas occupies a volume of 2.23 dm3 at a temperature of 0.0 oC? Assume that the pressure remains constant. (remember to change to Kelvin). 2. If a gas occupies 1733 cm3 at 10.0 oC, at what temperature will it ...
*Tuesday, August 20, 2013 at 3:50pm by Unknown*

**Chemistry**

What is the final volume of 725 mL of neon gas at 240.°C if the gas is cooled to 54.5°C? Assume the pressure and the amount of gas are held constant.
*Saturday, May 1, 2010 at 2:26pm by Tiffany*

**Chemistry**

What is the final volume of 945 mL of neon gas at 174°C if the gas is cooled to 58.5°C? Assume the pressure and the amount of gas are held constant.
*Thursday, April 14, 2011 at 3:47pm by Mary*

**chemistry**

A sample of an ideal gas at 1.00 atm and a volume of 1.31L was placed in a weighted balloon and dropped into the ocean. As the pressure had increased to 45.0 atm, what was the volume of the sample? Assume that the temperature was held constant.
*Sunday, July 28, 2013 at 11:57pm by rena*

**chemistry**

A fixed quantity of gas, at constant pressure, occupies a volume of 8.50 L and has a temperature of 29.0 degrees C. What volume will the gas occupy if the temperature is increased to 125 degrees C? 6.4, 11.2, 14.1, 12.6, 4.9
*Monday, December 5, 2011 at 2:38pm by Anonymous*

**Math**

I'm having trouble with a math problem, it says: A quantity of gas has a volume of 0.20 cubic meter and an absolute temperature of 333 degrees kelvin. When the temperature of the gas is raised to 533 degress kelvin, what is the new volume of the gas? Thank You. Assuming ...
*Tuesday, July 5, 2005 at 1:46pm by Mirayah Robinson*

**physical science**

If a quantity of gas in a piston cylinder has a volume of 0.9 m3 and is initially at room temperature (30°C) and is heated in an isobaric (constant-pressure) process, what will be the temperature of the gas in degrees Celsius when it has expanded to a volume of 1.2 m3?
*Monday, May 2, 2011 at 10:53pm by Eric*

**Physics**

A 1.6-mole sample of an ideal gas is gently cooled at constant temperature 280 K. It contracts from initial volume 37 L to final volume V2. A total of 1.9 kJ of heat is removed from the gas during the contraction process. What is V2? Let the ideal-gas constant R = 8.314 J/(mol...
*Wednesday, March 27, 2013 at 12:00am by Jessica*

**Chemistry**

1. Reactions follow the law of conservation mass.- T? 3. In a chemical equation, the material to the left of the arrow equals the material on the right.- T 8. In a single replacement reaction, sodium (Na) doesn't replace hydrogen.- F? 16. Increased pressure acting on a gas at ...
*Tuesday, October 26, 2010 at 2:02pm by mysterychicken*

**Chemistry **

A gas occupies 275 ml at 0°C and 610 Torr. What final temperature would be required to increase the pressure to 760 Torr, the volume being held constant?
*Thursday, May 2, 2013 at 12:24am by Chad*

**science**

This is something you can look up in your text but here they are. Boyle's law==The volume of a gas at constant temperature is inversely proportional to the pressure. Charles' law==The volume of a gas at constant pressure is directly proportional to the temperature. Check it ...
*Sunday, January 13, 2008 at 10:08pm by DrBob222*

**college chemisrty**

A cylinder with a movable piston contains 2.00 of helium, , at room temperature. More helium was added to the cylinder and the volume was adjusted so that the gas pressure remained the same. How many grams of helium were added to the cylinder if the volume was changed from 2....
*Wednesday, July 7, 2010 at 7:20pm by Tiffany*

**Chem**

Can you please tell me if these are right? A gas has a volume of 2.8 L at a temperature of 27 degrees C. What temperature degrees C is needed to expand the volume to 15 L? (P and n are constant.) I got 1334 degress C Combined gas law problem a balloon is filled with 500.0 mL ...
*Sunday, November 14, 2010 at 7:28pm by Alice*

**Chemistry**

A sample of gas occupies a volume of 500.0mL at .906 atm and 97 C. What will the final temperature (in Celsius) be if it is brought to a volume of 1.05L and a pressure of 502 mm Hg?
*Monday, July 11, 2011 at 12:22am by Haley*

**Chemistry**

Please help me get started, i'm not asking for the answer, just some help! A gas occupies 340mL at 273 K and 610 torr. What final temperature would be required to increase the pressure to 1 atm, the volume being held constant?
*Monday, March 19, 2012 at 3:40pm by Desiree*

**chemistry**

A sample of an ideal gas at 1.00 atm and a volume of 1.61 L was placed in a weighted balloon and dropped into the ocean. As the sample descended, the water pressure compressed the balloon and reduced its volume. When the pressure had increased to 45.0 atm, what was the volume ...
*Friday, April 6, 2012 at 11:15am by catey*

**CHEMISTRY**

A sample of gas in a balloon has an initial temperature of 28 and a volume of 1360 . If the temperature changes to 86, and there is no change of pressure or amount of gas, what is the new volume, , of the gas? Express the volume numerically in liters.
*Monday, April 4, 2011 at 10:48pm by Anonymous*

**chemistry**

Consider a system consisting of a cylinder with a movable piston containing 10^6 gas molecules at 298K at a volume of 1L. Consider the following descriptions of this system: 1. Initial system 2. Starting from the initial system, the volume of the container is changed to 2L and...
*Monday, March 16, 2009 at 10:35pm by CHEM*

**Chemistry**

A McLeod gauge measures low gas pressures by compressing a known volume of the gas at constant temperature. If 315 cm^3 of gas is compressed to a volume of 0.0457 cm^3 under a pressure of 2.51 kPa what was the original gas pressure?
*Thursday, April 16, 2009 at 12:09am by Anonymous*

**chemistry**

i keep trying to do these problems and i don't understand them. please help me!! 1. Gas stored in a tank at 273 K has a pressure of 388 kPa. The save limit for the pressure is 825 kPa. At what temperature will the gas reach this pressure? A. 850 K B. 925 K C. 580 K D. 273 K 2...
*Friday, October 10, 2008 at 9:13am by Please Help!*

**chemistry**

At a constant pressure, the volume of a gas is increased from 150.0 L to 300.0 L by heating it. If the original temperature of the gas was 20.0 degrees C, what will its final temperature (in Kelvin) be?
*Friday, February 24, 2012 at 11:14am by Dia*

**chemistry**

At a constant pressure, the volume of a gas is increased from 150.0 L to 300.0 L by heating it. If the original temperature of the gas was 20.0 degrees C, what will its final temperature (in Kelvin) be?
*Friday, February 24, 2012 at 11:14am by Dia*

**chemistry!**

An ideal gas has a volume of 3.0 L. If the number of moles of gas and the temperature are doubled, while the pressure remains constant, what is the new volume?
*Tuesday, May 4, 2010 at 5:09pm by jenny*

**chemistry**

The volume of a gas is 5.80 L, measured at 1.00 atm. What is the pressure of the gas in mmHg if the volume is changed to 9.65 L? (The temperature remains constant.)
*Monday, November 15, 2010 at 1:24pm by rasheedat*

**Physics**

A gas cylinder of volume 26 liters contains an ideal gas at temperature 27 degrees C and pressure 1920 kPa. Some of the gas leaks until the pressure falls to 1500 kPa. How many moles of gas leaked, assuming that the temperature remains constant during this process?
*Friday, January 17, 2014 at 5:37pm by Riley *

**chemistry**

Consider a system consisting of a cylinder with a movable piston containing 10^6 gas molecules at 298K at a volume of 1L. Consider the following descriptions of this system: 1. Initial system 2. Starting from the initial system, the volume of the container is changed to 2L and...
*Monday, March 16, 2009 at 4:59pm by CHEMistry*

**Physics**

A 4 liter sample of a diatomic gas with γ =1.4 confined to a cylinder, is carried through a closed cycle. The gas is initially at 1.00atm. and 300K. First, its pressure is tripled under constant volume. Then it expands adiabatically to its original pressure. Finally the ...
*Thursday, February 6, 2014 at 6:05pm by Brody*

**chem**

A sample containing 6.40 g O2 gas has a volume of 15.0 L. Pressure and temperature remain constant. a. What is the new volume if 0.600 mole O2 gas is added? b. Oxygen is released until the volume is 12.0L. How many moles of O2 are removed? c. What is the volume after 7.50 g He...
*Thursday, November 1, 2012 at 10:23am by tracy*

**chem**

A sample containing 7.60 gas has a volume of 31.0 . Pressure and temperature remain constant.What is the volume after 3.00 is added to the gas already in the container
*Friday, October 29, 2010 at 4:10am by Anonymous*

**Chemistry**

8. Imagine you have two containers of gas, one labeled gas A and one labeled gas B. Gas A has an average speed of 700 m/s and gas B has an average speed of 1100 m/s. Both containers are being held at the same temperature. How could you match the average speeds of gas A and gas...
*Thursday, August 15, 2013 at 12:53pm by Hannah*

**Chemistry**

Explain what will happen to the volume of a gas as the pressure on that gas is increased. Assume that the temperature and amount of gas remain constant.
*Wednesday, August 18, 2010 at 3:16pm by christine*

**Chemistry**

If the temperature of a confined gas is doubled at constant pressure, what change is observed? A) The volume of the gas is decreased to 1/4 of its original value. B) The volume of the gas is increased to twice its original value. C) The density of the gas is doubled. D) The ...
*Monday, March 29, 2010 at 10:39pm by Allison*

**chem**

A sample of gas confined in a cylinder with a movable piston is kept at constant pressure. The volume of the gas doubles when the temperature of the gas is changed from
*Saturday, July 10, 2010 at 1:28pm by jason*

**chemistry**

If 21.0 L of gas is held at a pressure of 7.80 atm and a temperature of 900.0 K, what will be the volume of the gas if the pressure is decreased to 4.50 atm and temperature decreased to 750.0 K?
*Wednesday, July 3, 2013 at 1:26am by madison*

**chem**

What is the volume of 325 mL of a sample of gas at 51.0°C and 710. mm Hg if the conditions are adjusted to STP? Assume the amount of gas is held constant.
*Monday, November 29, 2010 at 6:53pm by Kate*

**chem**

What is the volume of 325 mL of a sample of gas at 51.0°C and 710. mm Hg if the conditions are adjusted to STP? Assume the amount of gas is held constant.
*Monday, November 29, 2010 at 6:53pm by Kate*

**Chemistry;HELP**

1. A sample of gas under a pressure of 622 kPa has a volume of 233 cm3. The pressure is increased to 988 kPa, while the temperature remains constant. What volume will the gas occupy at this pressure? 2. The pressure exerted by a gas is 2.0 atm while it has a volume of 350 cm3...
*Wednesday, August 21, 2013 at 1:40pm by Unknown*

**CHEMISTRY!! D:**

1. A sample of gas under a pressure of 622 kPa has a volume of 233 cm3. The pressure is increased to 988 kPa, while the temperature remains constant. What volume will the gas occupy at this pressure? 2. The pressure exerted by a gas is 2.0 atm while it has a volume of 350 cm3...
*Tuesday, September 3, 2013 at 1:31pm by Unknown*

**physical science**

A constant volume and mass of helium gas at 47°C is heated so that the pressure of the gas doubles. What is the new temperature of the gas in Celsius degrees?
*Saturday, July 3, 2010 at 9:37pm by Anonymous*

**Chemistry**

THE VOLUME WOULDN'T HAVE ANY EFFECT ON THE TEMPERATURE. FOR A GAS IN A CLOSED CONTAINER, WITH THE PRESSURE CONSTANT THE TEMPERATURE DOESN'T CHANGE THE VOLUME. WHEN TEMPERATURE INCREASES, PRESSURE INCREASES. THEY ARE DIRECTLY PROPORTIONAL.
*Sunday, August 28, 2011 at 12:39am by Davis*

**Science**

Table 1: Temperature and volume data Trial Temperature (Celsius) Volume (mL) Starting Volume Room Temperature = Hot Water Trial 1 107 5.6ml Hot Water Trial 2 108.3 5.4ml Cold Water Trial 1 lo 4.4ml Cold Water Trial 2 lo 4.4ml PLOT AREA (Insert a graph that you either drew here...
*Monday, January 30, 2012 at 2:15pm by ThuyD*

**Physics**

According to Boyle's law, the volume V of a gas at a constant temperature varies inversely with the pressure P. When the volume of a certain gas is 125 cubic meters, the pressure is 20 psi (pounds per square inch). If the volume of gas is increased to 400 cubic meters, the ...
*Friday, May 25, 2012 at 3:11am by Pat*

**college**

One mole of oxygen gas is at a pressure of 5.10 atm and a temperature of 32.0°C. (a) If the gas is heated at constant volume until the pressure triples, what is the final temperature?
*Wednesday, February 24, 2010 at 1:28am by Anonymous*

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