Wednesday

April 16, 2014

April 16, 2014

Number of results: 61,744

**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*

**Chemistry 3A**

a sample of gas occupies 500ml at STP. what volume will the gas occupy at 85.0 degrees Celsius
*Tuesday, December 4, 2012 at 11:59am by Gurjot *

**Chemistry 12 - Gases**

A gas is initially at 345 K, 821 torr, and occupies a volume of 5.85 L. What volume will the gas occupy if the temperature and pressure decrease, respectively, to 7 degrees celsius and 0.921 atm?
*Wednesday, February 29, 2012 at 2:42am by Rose Bud*

**Chemistry**

A gas occupies a volume of 140 mL at 35 degrees celsius and 97 kPa. What is the volume of the gas at STP?
*Monday, February 22, 2010 at 7:13pm by Bob*

**chemistry **

A gas occupies 10 liters at standard conditions. What volume will it occupy at 20 degrees celsius and 700 torr?
*Tuesday, February 16, 2010 at 10:52am by jake*

**Chemistry**

A 12.0L sample of a as at a constant pressure of 608 mm Hg was heated from 40 degrees celsius to 60 degrees celsius. What volume does the gas now occupy? would I multiply 608 by 12 and then divide by the degrees celsius?
*Friday, January 13, 2012 at 10:21pm by Hannah*

**Chem II**

A sample of gas at 38 degrees Celsius occupies a volume of 2.97 L and exerts a pressure of 3.14 atm. The gas is heated to 118 degrees Celsius and the volume decreased to 1.04 L. Determine the new pressure exerted by the gas.
*Monday, October 15, 2012 at 7:02pm by Layn*

**chemistry**

a sample of gas occupies 1910ml at -22.8 degrees C and 740 torr. what volume would it occupy at the same pressure and 285 degrees C? answer units in ml
*Wednesday, August 31, 2011 at 4:57pm by Taylor *

**Prep chem**

A gas occupies 30L at 25 celsius. What volume will it occupy at 200 celsius at the same pressure?
*Monday, April 18, 2011 at 4:44pm by Laura*

**Chemistry**

A gas occupies a volume of exactly 500mL at STP. What would it occupy at exactly 70 degrees celsius and 400 mm of pressure?
*Monday, April 15, 2013 at 5:20pm by Lidia*

**Chemistry 3A**

a sample of methan gas, CH4, occupies 4.50L at a temp of 20.0 degrees celsius. if the pressure is held constant, what will be the volume of gas at a 100 degrees celsius
*Monday, December 3, 2012 at 3:48pm by Gurjot *

**Chemistry**

If a gas at 1.2 atm of pressure and 22.0 degrees of Celsius occupies 0.350L, what pressure will hold the same sample of gas in a volume of 0.050L if the temperature of the gas increases 25 degrees of Celsius?
*Tuesday, May 28, 2013 at 5:45am by Anonymous*

**Chemistry**

If a gas at 1.2 atm of pressure and 22.0 degrees of Celsius occupies 0.350L, what pressure will hold the same sample of gas in a volume of 0.050L if the temperature of the gas increases 25 degrees of Celsius?
*Tuesday, May 28, 2013 at 5:45am by Anonymous*

**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 ...
*Thursday, March 11, 2010 at 12:18am 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 ...
*Thursday, March 11, 2010 at 12:18am by Teisha*

**chemistry**

A sample of argon gas occupies a volume of 950 mL at 25.0°C. What volume will the gas occupy at 50.0°C if the pressure remains constant?
*Saturday, June 12, 2010 at 10:38pm by lara*

**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 ...
*Tuesday, March 9, 2010 at 10:33pm by Teisha*

**Havlicek**

12.5 moles of a gas occupy 32.0 liters at 100.0 degrees Celsius. What is the volume of 37.5 moles of the gas at 25.0 degrees Celsius?
*Friday, February 7, 2014 at 10:16am by Jocelyn*

**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*

**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**

Determine the atomic weight of X in the following compounds a)8g XH4 occupy 44.8L volume at 237C and 380 mmHg pressure b)1.92g of X3 occupis a volume of 574 ml at 77C and 2 atm c)A O.326 gram of gas,C3X4 has a volume of 250 ml at100C and 76 cmHg d)A 3.12 gram of the gaS.HX,...
*Sunday, March 11, 2012 at 12:41pm by faisal*

**Chemistry**

I'm having trouble trying to figure out how to setup and solve these problems: 1) 2,600.0 mL of air is at 20.0C. What is the volume at 60.0C? 2) A gas occupies 900.0 mL at a temperasture of 27.0C. What is the volume at 132.0C? 3) What change in volume results if 60.0 mL of gas...
*Wednesday, March 19, 2014 at 11:00am by Austin*

**chemistry**

A volume of 50.0 ml of gas is collected by displacement of mercury at 17 degrees Celsius and 760 mm pressure. The mercury level inside the eudiometer is 30.0 mm higher than the outside. What volume will the gas occupy at STP?
*Thursday, May 9, 2013 at 11:53am by Anonymous*

**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?
*Tuesday, March 16, 2010 at 10:31pm by catherine*

**chemistry**

if 429 grams of gas occupies 25.6L at 49 degrees C at a pressure of 759 mmHg what volume will 4.29g of gas will occupy at 53 degrees C (assume pressure is unchanged)
*Tuesday, May 4, 2010 at 8:27pm by Quentin*

**chemistry**

A sample of N2 gas occupies a volume 180 mL at STP. What volume, in L, will it occupy at 640 mm Hg and 295 K?
*Thursday, March 29, 2012 at 11:13pm by marie*

**Chemistry 3A**

a 325ml sample of air is at 720 torr and 30.0 degrees Celsius. what volume will this gas occupy at 800 torr adn 75.0 degrees Celsius.
*Tuesday, December 4, 2012 at 11:58am by Gurjot *

**Chemistry**

A gas occupies a volume of .350 L at a temperature of 18.0 degrees Celsius and a pressure of 980.0 torr. What will be the volume of this gas at standard conditions? Please explain how to do it.
*Wednesday, March 5, 2014 at 8:29pm by Linda*

**chemistry**

A scuba diver's tank contains .25 kg of oxygen compressed into a volume of 4.3 L (for oxygen, 32g = 1 mole) Calculate the gas pressure inside the tank at 9 degrees Celsius What volume would this occupy at 26 degrees Celsius and .95 atmospheres?
*Tuesday, November 2, 2010 at 2:08pm by Bob*

**chemisty help please**

A scuba diver's tank contains .25 kg of oxygen compressed into a volume of 4.3 L (for oxygen, 32g = 1 mole) Calculate the gas pressure inside the tank at 9 degrees Celsius What volume would this occupy at 26 degrees Celsius and .95 atmospheres?
*Tuesday, November 2, 2010 at 2:27pm by Billy*

**chem homework**

a gas occupies a volume of 410mL at 27 degrees Celcius and 740mm Hg pressure. Calculate the volume the has would occupy at STP.
*Tuesday, November 30, 2010 at 10:05am by samantha*

**chemistry**

The volume of a mass of gas is 300 ml at 25 Celsius and 685 torr. What will the gas occupy at STP?
*Wednesday, May 1, 2013 at 2:19pm by Isabel*

**Chem**

a gas has a volume of 410 mL at 27 degrees c and 740 mm Hg. what volume would this gas occupy at STP?
*Tuesday, April 2, 2013 at 11:30am by Anonymous*

**Chem**

a gas has a volume of 410 mL at 27 degrees c and 740 mm Hg. what volume would this gas occupy at STP?
*Tuesday, April 2, 2013 at 11:30am by Anonymous*

**Chemistry**

A sample gas has a volume of 200 cm^3 at 25 degrees celsius and 700 mmHg. If the pressure is reduced to 280 mmHg, what volume would the gas occupy at the same temperature?
*Monday, April 4, 2011 at 2:00pm by B*

**Chemistry**

If a nitrogen gas sample occupies a volume of 2.55 L at 22.0 degrees Celsius and 0.860 atm, what is the mass of the N2 gas?
*Monday, November 14, 2011 at 11:50pm by Mallory*

**chemistry homework help!!**

many gases are shipped in high pressure containers. consider a steel tank whose volume is 42.0L and which contains O2 gas at a pressure of 165atm at 23 degrees celsius. 1.) what mass of O2 does the tank contain? 2.) what volume would the gas occupy at STP? 3.) At what ...
*Thursday, February 16, 2012 at 8:12pm by danielle*

**chem**

A scuba diver's tank contains .25 kg of oxygen compressed into a volume of 4.3 L (for oxygen, 32g = 1 mole) Calculate the gas pressure inside the tank at 9 degrees Celsius What volume would this occupy at 26 degrees Celsius and .95 atmospheres? can someone tell me how many ...
*Tuesday, November 2, 2010 at 4:51pm by Bob*

**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?
*Sunday, November 13, 2011 at 9:10pm by Jessie*

**Chemistry**

A gas occupies a volume of 140 mL at 35 degrees celcius and 97 kPa. What is the volume of the gas at STP? Please show the work.
*Tuesday, February 23, 2010 at 7:44pm by Maria*

**Chemistry**

A gas at a temperature of 95 degrees C occupies a volume of 159 mL. Assuming constant pressure, determine the volume at 15 degrees C.
*Tuesday, August 2, 2011 at 5:04pm by Tina *

**Chemistry**

a gaseous sample occupies 32.4 mL at -23 degrees C and 0.75 atm. What volume will it occupy at STP?
*Thursday, June 3, 2010 at 6:24pm by Anonymous*

**Chemistry 3A**

A 425mL volume of hydrogen chloride gas, HCL, is collected at 25 degrees Celsius and 720 torr. what volume will it occupy?
*Tuesday, December 4, 2012 at 3:40pm by Gurjot *

**Chem**

A 11.9-g sample of a gas has a volume of 5.25L at 30 degrees celsius and 762mm Hg. If 2.4g of the same gas is added to this constant 5.25-L volume and the temperature raised to 64 degrees celsius, what is the new gas pressure?
*Tuesday, October 26, 2010 at 2:43pm by Lisa*

**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 occupies a volume of 40 ml at 734.8 mm and 22* C . The gas was collected over water and the water level inside the eudiometer is the same as that outside. What is the volume of dry gas at S.T.P?
*Sunday, June 19, 2011 at 5:52pm by Noodle*

**chemistry**

A gas occupies 560.0 mL at 285 K. To what temperature must the gas be lowered if it is to occupy 250.0 mL? Assume that the pressure remains constant.
*Wednesday, July 3, 2013 at 1:27am by madison*

**chemistry**

A sample of gas occupies 17 mL at -112C. What volume does the sample occupy at 70C?
*Tuesday, July 29, 2008 at 1:06pm by natasha*

**Chemistry 111**

A gas occupies a volume of 256mL at a pressure of 250torr at 32 degrees Celsius. Calculate the pressure (in atmosphere)if the volume is reduced to 156mL and the temp is increased to 62 degrees Celsius. I really need the formula that I would be using. I am confused because ...
*Friday, December 3, 2010 at 6:41pm by Lotty*

**Chemistry**

a gas has a volume of 1.75 L at -23 degrees Celsius and 150 kPa at what temperature will the gas occupy 1.30 L at 210 kPa
*Thursday, January 20, 2011 at 9:58pm by Samantha*

**physics (gas laws)**

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?
*Saturday, January 26, 2008 at 9:08pm by Anonymous*

**chemistry**

If 48.3 g of an unknown gas occupies 10.0 L at 40 degrees celsius and 3.10 atm, what is the molar mass of the gas?
*Friday, April 13, 2012 at 11:17pm by cheryl*

**chemistry**

if 48.3 g of an unknown gas occupies 10.0 L at 40 degrees celsius and 3.10 atm, what is the molar mass of the gas?
*Friday, April 20, 2012 at 1:00pm by sherly*

**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?
*Monday, May 30, 2011 at 4:55pm by Anonymous*

**chemistry**

what is the molecular mass of a gas if 0.833 g of it occupies 210 mL at 106.3 kPa and 8 degrees Celsius.
*Sunday, April 6, 2014 at 6:32pm by lisa*

**Chemistry 3A**

in a lab experiment, 133mL of gas was collected over water at 24 degrees Celsius and 742 torr. Calculate the volume that the dry gas would occupy at STP.
*Tuesday, December 4, 2012 at 4:19pm by Gurjot *

**Chemistry**

A 10.8g sample of a gas has a volume of 5.25L at 25 degrees Celsius and 766mmHg. If 2.3g of the same gas is added to this constant 5.25L volume and the temperature raised to 68 degrees Celsius, what is the new gas pressure?
*Tuesday, January 18, 2011 at 7:09pm by Jen*

**chemistry**

If 0.45 mol of neon gas occupies a volume of 789 mL at a certain temperature and pressure, what volume would 0.376 mols of neon occupy under the same conditions? what Law is used to solve?
*Wednesday, April 18, 2012 at 11:13am by Anonymous*

**Chemistry I**

An unknown volume of water at 18.2 degrees celsius is added to 24.4 mL of water at 35.0 degrees celsius. If the final temperature is 23.5 degrees celsius what was the unknown volume? (assume no heat is lost to surroundings and D of water is 1.00g/mL)
*Sunday, October 12, 2008 at 6:16pm by Kelsie*

**Chemistry**

A 1.44-g sample of an unknown pure gas occupies a volume of 0.336 L at a pressure of 1.00 atm and a temperature of 100.0 degrees Celsius. What is the unknown gas?
*Monday, March 4, 2013 at 1:44am by Lily*

**Chemistry**

A 1.44-g sample of an unknown pure gas occupies a volume of 0.336 L at a pressure of 1.00 atm and a temperature of 100.0 degrees Celsius. What is the unknown gas?
*Monday, March 4, 2013 at 1:53am by Lily*

**Chemistry**

If a sample of gas occupies 2.1 ml at a pressure of 896 torr, what volume (ml) will it occupy at a pressure of 316.8 torr. I really need an answer, but also please show me how to work this problem.
*Monday, March 25, 2013 at 2:31pm by Linzy*

**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?
*Tuesday, March 18, 2014 at 10:44am by tyler*

**Physics (Please help!!!)**

1) If a 10. m3 volume of air (acting as an ideal gas) is at a pressure of 760 mm and a temperature of 27 degrees Celsius is taken to a high altitude where the pressure is 400. mm Hg and a temperature of -23 degrees Celsius, what volume will it occupy? (Hint: remember the ...
*Thursday, February 4, 2010 at 11:18am by Hannah*

**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?
*Monday, August 3, 2009 at 9:36am by Syed*

**chemistry**

A sample of a gas occupies a volume of 1158 mL at 59ºC and 0.76 atm. What would be the new volume if temperature decreases to 40ºC and pressure increases to 1.40 atm?
*Wednesday, November 17, 2010 at 4:45am by Chris*

**Chemistry **

Pantothenic acid id one of the B vitamins. A sample of pantothenic acid was found to produce 3.84 mL of nitrogen gas, N2 at 23 degrees celsius and 785 mmHg. What is the volume of the nitrogen gas (in liters) produced as 29 degrees celsius and 0.993 atm?
*Thursday, February 28, 2013 at 8:47am by Kirstyn *

**Chemistry Combined Gas Law**

Hi so im reviewing or our long test tomorrow on combined gas law and gay lussac's well here, combined gas law i find it (maybe ) confusing to do this one, because theres no right answers because it is a practice exercise.. what i know on combined gas law is that pressure is ...
*Tuesday, January 28, 2014 at 9:47am by Joy *

**Chemistry**

A sample of gas at 47 C and 1.03 atm occupies a volume of 2.20 L. What volume would this gas occupy at 107 C and 0.789 atm?
*Sunday, March 4, 2012 at 4:29pm by Anna*

**chemistry**

some oxygen occupies 500.0 ml when its temperature is 40.0 C . if you wished to decrease the volume by 100.0 ml, to what temperture celsius would you need to lower the gas? not sure how to set this up right..keep thinking i need to subtract 100.0 from 500.0 first,then set it ...
*Wednesday, February 2, 2011 at 7:46am by Harley*

**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*

**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*

**SCIENCE/CHEM**

the volume of a sample of gas is 650.ml at STP. what volumes will the sample occupy at 0.0degrees celsius and 950.torr??? is it 650.ml?
*Wednesday, May 12, 2010 at 9:17pm by Andy*

**chemistry**

The volume of a gas at 23◦C and 0.13 atm is 73 mL. What volume will the same gas sample occupy at standard conditions? Answer in units of mL
*Monday, February 11, 2013 at 10:39pm by Anonymous*

**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*

**General Chemistry**

Answer Check... A 3.00L sample of gas was collected over water at 45 degrees Celsius. The wet gas exerts pressure of 1.50atm. When dried the sample occupies 1.80L and exerts a pressure of 1.77 atm at 80.0 degrees Celsius. What is the vapor pressure of water at 45 degrees ...
*Monday, September 5, 2011 at 6:20pm by Kathy*

**Chemistry **

A gas occupies a volume of 0.500L at 125 degrees Celsius and 0.443 atm. What mathematical expression will yield the correct temperature at 0.750 L and 0.689 atm? Is it the combined gas law of P2V1/T1=P2V2/T2?
*Tuesday, December 6, 2011 at 8:37pm by Lisa*

**Chemistry**

If 0.823g of an unknown gas occupies a volume of 702.0 mL at 38.9 deg. Celsius, and 726.2 mm Hg pressure, what is the molar mass of the gas? (pressure has already been corrected for water vapor pressure)
*Sunday, April 17, 2011 at 1:52pm by Carla*

**chemistry**

A 200-mL sample of Oxygen gas is collected at 26 degrees C and a pressure of 690 torr. What volume will the gas occupy at STP (0 degree C and 760 torr)
*Sunday, April 1, 2012 at 5:49pm by Kayla*

**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*

**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**

A sample of methane gas that has a volume of 4.0L at 15 degrees Celsius is heated to 75 degrees Celsius at constant pressure. Calculate the new volume.
*Monday, May 21, 2012 at 8:53pm by Megs*

**chemistry**

i reallly need help with combining the gas laws. here are a few questions i am struggling with if anyone could please help! 1. A steel container holds 750.L of O2 gas at STP. a) how many moles of O2 does the container hold? b)how many grams of O2 does the container hold? c) if...
*Sunday, May 22, 2011 at 4:55pm by me*

**chemistry**

A gas that occupies a volume of 6.75L at 89.0atm will occupy what volume at 68.55mm Hg if the temperature remains constant?
*Monday, March 8, 2010 at 10:01am by Shannon*

**Chemistry**

As STP a certian mass of gas occupies a volume of 790cm3 find the tempreture it will occupy when the pressure 726mmHg and volume is 1000cm3
*Sunday, December 12, 2010 at 8:30pm by Saleem*

**AP Chem**

Can someone please check these problems? 34. You fill a balloon with helium gas to a volume of 2.68 L at 23 degrees C and 789 mmHg. Now you release the balloon. What would be the volume of helium if its pressure changes to 632 mmHg but the temperature is unchanged? 3.35 L 38. ...
*Wednesday, November 12, 2008 at 8:34pm by Anna*

**CHEMISTRY**

At 285mmHg +25 degrees celsius,a gas sample has a volume of 2270ml. what is the final pressure in mmHg at a volume of 1250ml and a temperature od 175 degrees celsius?
*Saturday, August 20, 2011 at 12:34pm by TERI*

**college**

You transfer a sample of gas at 17 degrees celsius for a volume of 5.86 L and 1.10 atm to a container at 37 degrees celsius that has a pressure of 1.10 atm. what is the new volume of gas?
*Wednesday, December 1, 2010 at 3:10pm by dayton*

**AP Chem**

Helium gas, He, at 22 degrees C and 1.00 atm occupied a vessel whose volume was 2.54 L. What volume would this gas occupy if it were cooled to liquid-nitrogen temperature (-197 degrees celcius). What is the equation?
*Sunday, November 9, 2008 at 3:57pm by Anna*

**chemistry**

If 0.500 mol of nitrogen gas occupies a volume of 11.0 L at 0°C, what volume will 2.15 mol of nitrogen gas occupy at the same temperature and pressure?
*Tuesday, March 6, 2012 at 1:02am by Dna*

**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**

When elemental sulfur,S8,is heated with AgF,a gas forms that contains only sulfur and fluorine. The following tests were done to characterize this gaseous product. *The density of the gas was found to be 0.807g/L at 152mmHg and 35 degrees celsius. *When the gas reacts with ...
*Tuesday, November 10, 2009 at 12:58am by rasuka_geo*

**chemistry**

The volume of a mass of gas is 300 ml at 25°C and 685 torr. What will the gas occupy at STP? Would the answer be 248 ml?
*Thursday, May 2, 2013 at 12:05am by Kim*

**Chemistry**

Determine the molar mass of each of the following gases? A. 2.90 g of gas that occupies 0.500 L at 0 C and 1.00 atm (STP) B. 1.48 G of gas that occupies 2.00 L at 0 C and 760 mmHg (STP) C. 0.726g of a gas that occupies 855 mL at 1.20 atm at 18 C? D. 2.32 G of a gas that ...
*Monday, July 19, 2010 at 2:52pm by amy*

**Chemistry**

20.7mL of ethanol (density=0.789g/mL) initially at 8.2 degrees Celsius is mixed with 37.1 mL of water (density=1.0g/mL) initially at 25.7 degrees Celsius in an insulated beaker. Assuming that no heat is lost, what is the final temperature of the mixture? This is how I set up ...
*Tuesday, February 7, 2012 at 6:25pm by Katie*

**chemistry**

The volume of a gas at 20 C and 0.4 atm is 10 mL. What volume will the same gas sample occupy at standard conditions?
*Tuesday, February 8, 2011 at 12:33am by pablo*

**Chemistry**

A gas at 65 degrees Celsius occupies 4.22L. At what Celsius temperature will the volume 3.87L, assuming the same pressure? -kay so ive tried this one like a million times & i cant seem to get the right answer so pls talk me through the steps. like i know the equation is V1/T1=...
*Sunday, February 20, 2011 at 10:30pm by kLb*

**chemistry**

If 2.25g of a gas occupies 1750mL at 180 degrees Celsius and 550mm Hg of pressure, what is the molecular weight of the gas?
*Wednesday, February 6, 2013 at 2:14pm by rv*

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