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December 7, 2016

# Search: A sample of gas occupies 13 L under a pressure of 1.3 atm. What would th..

Number of results: 79,181

chemistry
Dr.Bob222: I attempted to solve the problem numerous times but keep ending up with the wrong answer. If you would be kind enough to show me the steps I would appreciate it. I'll pose the question once more: The volume of a gas at 24C and 0.21 atm is 36 mL. What volume will ...
February 15, 2012 by Daddy

Chemistry
To increase the solubility of a gas at constant temperature from 1.20 g/L at 1.4 atm to 2.3 g/L what would the pressure have to be increased to?
May 1, 2010 by Tiffany

Chemistry
What volume would be occupied by 100 g of oxygen gas at a pressure of 1.50 atm and a temp of 25 degrees C.
March 22, 2011 by Danielle

Chemistry
a helium balloon is partially filled with 28.7 L of gas at 25.0 degress celcius and a pressure of 1 atm. if the balloon is released and it floats up intp the atmosphere to a heightwhere the pressure is 2.8 x 10^-3 atm and the temperature is -24.0 degrees celcius, calculate the...
December 8, 2011 by Dani

Chemistry
The Kp for the following equilibrium system is 4.31 x 10‒4 at 375°C : N2(g) + 3H2(g) ↔ 2NH3(g). If 0.862 atm of N2 and 0.373 atm of H2 were mixed in a constant-volume flask and heated to 375°C, which of the following would be closest to the equilibrium partial ...
April 26, 2012 by L

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
The solubility of nitrogen gas in water at 25 °C and 1 atm is 6.8!10"4 mol/L. If the partial pressure of nitrogen gas in air above water is 0.76 atm, what is the concentration of dissolved nitrogen?
November 7, 2011 by Anonymous

Chem (Help!)
I need help in using gas laws to solve problems. I need help with this question: What is the pressure in atmospheres exerted by a 0.500 mol sample of oxygen gas in a 10.0 L container at 298 K? Also what formula would I use to solve the pressure in this problem? Also in order ...
April 29, 2008 by Lisa

physics
One mole of an ideal gas occupies a volume of 3.5×10^-2m^3 and exerts a pressure of 3atm on the walls of its container.Find average translatoinal kinetic energy per molecule and the absolute temperature of the gas? K avg=(3/2)kT
November 11, 2014 by takunda

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
Which of the following is NOT true about the thermodynamic standard state? A. A gas is in its standard state when its pressure is 1.00 atm and its temperature is 25C . B. An aqueous solution is in its standard state at a concentration of 1.00 M. C. A solid is in its standard ...
February 20, 2008 by jina

Chemsitry
Which of the following is NOT true about the thermodynamic standard state? A. A solid is in its standard state when the atmospheric pressure is 1.00 atm and the temperature is 25C. B. An aqueous solution is in its standard state at a concentration of 1.00 M. C. A gas is in ...
February 25, 2008 by Anonymous

chemistry
Which of the following is NOT true about the thermodynamic standard state? A. A pure liquid is in its standard state at 25C and a vapor pressure of 1.00 atm. B. An aqueous solution is in its standard state at a concentration of 1.00 M. C. A gas is in its standard state when ...
May 17, 2009 by jeff

chemistry
A sample of oxygen gas occupies a volume of 3.84 L at 269. K. What volume will the sample occupy at 486. K?
December 6, 2014 by Jessica

Chemistry
A sample of oxygen gas occupies a volume of 3.84 L at 269. K. What volume will the sample occupy at 486. K?
December 6, 2014 by Paula

chemistry
a sample of gas is collected over water at a temperature of 35 degrees celcius when the barometric pressure reading is 742.0 torr what is the partial pressure of the dry gas?
May 18, 2010 by Jimmy

chemistry
A 0.0677 g sample of magnesium metal reacted with excess hydrochloric acid solution to produce 69.9 mL of hydrogen gas. The gas was collected over water at 21.0° C. The levels of water inside and outside the gas collecting tube are identical (meaning that the pressure exerted...
July 8, 2013 by Janaiby

chem
A sample of ideal gas is in a sealed container. The pressure of the gas is 615torr , and the temperature is 10 ∘ C . If the temperature changes to 56 ∘ C with no change in volume or amount of gas, what is the new pressure, P 2 , of the gas inside the container?
March 18, 2015 by dakota

Chem
A gas at a pressure of 1 atm, a volume of 1 , and a temperature of 25 C. What would happen to the pressure if the volume were reduced to 0.5 and the temperature increased to 250 C ?
February 27, 2010 by bob

Chemistry
Can someone help me with this question? Calculate the work for each of the following processes beginning with a gas sample in a piston assembly with T=305 K, P=1.79 atm, and V=4.29 (a) irreversible expensing against a constant external pressure of 1.00 atm to a final volume of...
April 3, 2015 by Anonymous

Chemistry
If there are 2L of H2 gas at .625 atm, and 1L of N2 gas at .200 atm isolated in two flasks, what are the final partial pressures of each, and the total pressure, after the valve between the two flasks has been opened and the gases are allowed to mix? Is this simply a ratio ...
April 7, 2013 by Lily

Science
Suppose that a sample of gas occupies 119 mL of volume at 25◦C and a pressure of 221 torr. What would be the volume if the pressure were changed to 647 torr at 25◦C? This is boyle's law right? p1v1 = p2v2 Since I'm looking for v2 I rearranged it to be v2 = p1v1 / ...
September 20, 2015 by RT

Chemistry URGENT/DR BOB
Dalton's Law of Partial Pressure consider the following container of helium at 45C. intially the valve is closed. After the valve is opened what is the pressure of the helium gas. your start points are 2.00 atm and 9.00L. after opening the valve you have 3.00 atm and 3.00L. ...
April 1, 2014 by linda

Chemistry
I have to chane the barometric pressure in my area to ATM. We have to look at the U.S. Weather map that gives the barometric pressure. I live in an area that has shows 1016 for barometric pressure. First is 1016 in millibars or what and secondly how do I convert that to atm so...
May 18, 2010 by Hannah

Chemistry
A quantity N2 of occupies a volume of 1.4L at 290K and 1.5atm . The gas expands to a volume of 3.1 L as the result of a change in both temperature and pressure. I have the find the density of the gas at these new conditions?
November 20, 2010 by Kate

Chem 151
The atmosphere in a sealed diving bell contained oxygen and helium. If the gas mixture has 0.200 atm of oxygen and a total pressure of 3.00 atm, calculate the mass of helium in 10.0 L of the gas mixture at 40 degrees Celsius.
March 21, 2013 by Double checking ans

chemistry university
In this experiment you will be placing solid CO2 into a 10 ml tube. The tubes are not completely gas-tight, but what if they were? What would be the pressure inside the tube in atm, after all the dry ice had vapourised, if 3.72 g of solid CO2 was originally added and the tube ...
April 30, 2013 by angela

Chemistry - Gas Laws
Liquid helium at 4.2 K has a density of 0.147 g/mL. Suppose that a 1.00-L metal bottle that contains air at 118K and 1.0 atm pressure is sealed off. If we inject 120.0 mL of liquid helium and allow the entire system to warm to room temperature (25 °C), what is the pressure ...
March 2, 2007 by Jay

Chemistry
What is the volume occupied by 12.3 g of argon gas at a pressure of 1.17 atm and a temperature of 455K? Would formula be V=T/P? 388.89 L?
April 8, 2012 by B

physics
what pressure (in atm) would be exerted by 76g of fluorine gas in a 1.5 litre vessel at -37 degrees Celsius?
April 26, 2013 by jane

Chemistry
At standard temperature and pressure, a 1.00-mol sample of argon gas is vented into a 22.4-L rigid box that already contains 1.00 mol of nitrogen gas. We would expect the argon gas to:
February 19, 2015 by Julie

Chemistry
What is the percent aluminum in a sample weighing 1.85 grams. If 35 mL of wet hydrogen gas was produced @ 24 degrees Celsius under a total pressure of 752 torr?
October 25, 2010 by Katy

Chemistry
A car tyre has a volume of 10 L when inflated. The tyre is inflated to a pressure of 3 atm at 17°C with air. Due to driving, the temperature of the tyre increases to 47°C. a) what would be the pressure at this temperature? b) how many litres of air measured at 47°C and ...
July 7, 2010 by Shoaib

Chemistry
A mixture of gases contains 0.65 mol of N2, 0.70 mol of O2, and 0.90 mol of He. What is the partial pressure of each gas (in atm and in torr) in a 25.0 L cylinder at 340 K? What is total pressure? I know you: Use mols each gas in PV = nRT and solve for p. Then Ptotal = pN2 + ...
February 26, 2014 by Chelsey

AP Chemistry
A 34.05 gram liquid sample of an unstable compound is deposited in a metal piston assembly that has a cylinder with a diameter of 20.0 cm. After the sample is added, the piston is placed in contact with the liquid and the piston vent is closed. This process removes all ...
September 26, 2012 by Jack

Chemistry
#1) The Lewis structure of PF3 shows that central phosphorus atom has ___ nonbonding and ___ bonding electron pairs. #2) How many equivalent resonance forms can be drawn for CO3^-2? (carbon is the central atom) #3) The bond angle in NF3 is slightly less than ___? #4) Sample of...
May 21, 2009 by Diana

Chem
If the initial pressure of HD(g) is 8.913 atm, calculate the % decomposition of HD(g) when the reaction comes to equilibrium according to the balanced equation. The value of Kp at 1000 K is 0.26. The initial pressure of the reaction products is 0 atm. 2HD(g) = H2(g)+D2(g) So I...
October 2, 2016 by May

Chemistry
Please!!! its extremely urgent. i do not need answers, only how to do it A sample of nitrogen gas (N2) kept in a container of volume 10.1 L and at a temperature of 20.3°C exerts a pressure of 3.1 atm. Calculate the number of grams of gas present. Round to one decimal place, ...
October 17, 2011 by Javier

chem PLEASE HELP
A Nitrox II gas mixture for scuba diving contains oxygen gas at 50atm and nitrogen gas at 98atm . What is the total pressure, in atm, of the scuba gas mixture?
July 18, 2013 by Anonymous

Chemistry
50 Ltr. Of a certain liquid is confined in a piston system at the extenal pressure 100 atm this pressure suddenly released and liquid is expanded against a contant atm pressure , vol. Of liquid increases by 1 Ltr and the final pressure of the liquid is 10 atm. Find the work done.
December 1, 2015 by Sam

Physics
The pressure gauge on a tank registers the gauge pressure, which is the difference between the interior and exterior pressure. When the tank is full of oxygen (O2), it contains 9.00 kg of the gas at a gauge pressure of 40.0 atm. Determine the mass of oxygen that has been ...
April 11, 2010 by Tmurg

Chemistry
In an experiment, a mixture of two gases occupies a volume of 3.00 L at a temperature of 22.5 degree centigrade. The mixture contains 14.0 g of water, 11.5 g of oxygen, and 37.3 g of nitrogen. Calculate the total pressure and the partial pressure of each gas?
November 15, 2014 by Aaqib Zaman

chem
at a depth of 100m underwater the water pressure is equal to 10 atm of pressure. what is the partial pressure of N2 at a pressure of 10 atm?
August 25, 2014 by jojo

chemistry
Container A holds 767 mL of ideal gas at 2.50 atm. Container B holds 144 mL of ideal gas at 4.70 atm. If the gases are allowed to mix together, what is the resulting pressure?
March 13, 2013 by marie darling

Chemistry
Suppose a mixture of hydrogen and oxygen gas is exerting a pressure of 1.60 atm. If the partial pressure of oxygen in the mixture is 304 mmHg atm, what is the partial pressure of the hydrogen?
November 5, 2010 by Amber

CHEMISTRY
A GAS OCCUPIES A VOLUME OF 584 ML AT A PRESSURE OF 12.01K PA AND A TEMPERATURE OF 303K. whEN THE PRESSURE IS CHANGES, THE VOLUME BECOMES 477ML. IF THERE HAS BEEN NO CHANGE IN TEMPERATURE, WHAT IS THE NEW PRESSURE? ........ PLEASE HELP ME WITH THIS ....THANKS SOOOOOOO MUCH...
January 8, 2007 by TIFFANY

chem
A gas has pressure of 4.62 atm when its volume is 2.33 L if the temperature remains constant, what will the pressure be when the volume is changed to 1.03 L? express the final pressure in torrs
April 28, 2008 by jerson

chemistry
how many moles of gas are contained in a 50.0L cylinder at a pressure of 100.0 atm and a pressure of 35 C?
February 21, 2011 by donna

Chemistry
Which of the following is NOT true about the thermodynamic standard state? A. A solid is in its standard state when the atmospheric pressure is 1.00 atm and the temperature is 25C. B. A pure liquid is in its standard state at 25C and a vapor pressure of 1.00 atm. C. An ...
May 17, 2008 by Tom

Science
A 25 l partially filled weather balloon has a volume of 11 L at sea level where the pressure is 1 atm. It rises to an altitude of 6.096km (20,000 feet) where the pressure is only .48 atm. What is the resulting volume? At what pressure would it burst? Use the internet to find ...
October 31, 2015 by Rich

Chem.
what is the volume of 4 moles of a gas if the pressure is 3.5 atm and the pressure is 25C
March 1, 2012 by Saul

Chemistry
10.7 L of a gas at 1.75 atm are expanded to 20.0 L at a constant temperature. What is the new gas pressure? *
April 17, 2013 by Dc

chemistry
The partial pressure of fluorine gas (F2) in a mixture of gases where the total pressure is 1.00 atm is 300. torr. What percent of the mixture is made of fluorine gas
April 8, 2015 by cheater

chemistry
The partial pressure of fluorine gas (F2) in a mixture of gases where the total pressure is 1.00 atm is 300. torr. What percent of the mixture is made of fluorine gas
April 8, 2015 by cheater

Chemistry
A gas has a pressure of 4.62 atm when its volume is 2.33 L. If the temperature remains constant, what will the pressure be when the volume is changed to 1.03 L? Express the final pressure in mm Hg.
April 7, 2014 by Suzanne

chemistry
A gas has a pressure of 0.370 atm at 50.0 °C. What is the pressure at 22 °C, assuming volume remains constant?
July 3, 2013 by madison

chemistry
ind the partial pressure of oxygen in a sealed vessel that has a total pressure of 2.6 atm and also contains carbon dioxide at 1.2 atm and helium at 0.10 atm.
May 4, 2010 by jerkoff

Chemistry
10.7L of a gas at 1.75 atm are expanded to 20.0L at a mass constant temperature.what the new gas pressure?
October 8, 2013 by Margaret

Chemistry
10.7L of a gas at 1.75 atm are expanded to 20.0L at a mass constant temperature.what the new gas pressure?
October 8, 2013 by Margaret

Chemistry
10.7L of a gas at 1.75 atm are expanded to 20.0L at a mass constant temperature.what the new gas pressure?
October 8, 2013 by Margaret

Pre Chem
A gas occupies a volume of exactly 500 mL at STP. What volume would it occupy at exactly 70°C and 400 mm of pressure?
April 21, 2014 by Anonymous

Chemistry
If a sample of Helium gas is collected over water, what is the pressure of the dry gas alone if the total pressure is 760.0 mmHg and the partial pressure of water is 20.0 mmHg?
January 10, 2010 by Jane

Chemistry
A balloon filled with 1.35 atm of dimethyl ether gas and 5.25 atm of oxygen gas at 27 °C has an initial volume 2.00L They react according to the following reaction: C2H6O (g) + 3 O2 (g) -> 2 CO2 (g) + 3 H2O (g) The system is allowed to back cool down to 27 °C following ...
February 19, 2015 by T

chemistry
At what temperature (oC) will a gas sample occupy 6.1 L if it originally occupies 17.8 L at 27.1oC?
October 13, 2010 by kellie

Chemistry
At what temperature (oC) will a gas sample occupy 9.8 L if it originally occupies 14.2 L at 25.9oC?
October 17, 2011 by Sven

Chemistry
A sample of NH3 gas occupies 75.0 liters at STP. How many molecules is this?
January 3, 2014 by Leena

Chemistry
Consider the cracking of gaseous ammonia at constant total pressure of 1 atm and constant temperature. Find the equilibrium gas composition at 400 degree C. Given: The Gibbs free energy for the cracking reaction 2NH3 = N2 + 3H2, DeltaGo ( delta G standard) =87,030-25.8TlnT –...
March 29, 2012 by John

Physics
A gas is compressed at a constant pressure of 0.800 atm from 6.00 L to 1.00 L. In the process, 380 J of energy leaves the gas by heat. (a) What is the work done on the gas? (b) What is the change in its internal energy?
November 26, 2012 by Sam

CHM
Given the initial concentrations of 0.10 atm NO2 and 0.10 atm N2O4 in a 1.0 L flask, what will be the equilibrium partial pressure of NO2? N2O4(g)=2NO2 Kp=0.660at319K Choose one answer. a. 0.10 atm b. 0.31 atm c. 0.045 atm d. 0.72 atm e. 0.19 atm
March 28, 2010 by AMI

Chemistry
Consider a gas that has a molar mass of 100.21 g/mol. What mass of this gas would occupy a 150 mL container under a pressure of 1.00 atmosphere and a temperature of 25 degrees centegrade?
February 10, 2011 by Nili

chemistry
Consider a gas that has a molar mass of 100.21 g/mol. What mass of this gas would occupy a 150 mL container under a pressure of 1.00 atmosphere and a temperature of 25 degrees centegrade?
February 13, 2011 by nancy

chemistry
Consider a gas that has a molar mass of 100.21 g/mol. What mass of this gas would occupy a 150 mL container under a pressure of 1.00 atmosphere and a temperature of 25 degrees centegrade?
February 13, 2011 by nancy

chem
What is the volume occupied by 0.118mol of Helium gas at a pressure of 0.97atm and a temperature of 305k? Would the volume be different if the gas was Argon(under the same identical conditions)?
November 2, 2015 by gilard

chemistry
a sample containing 1.50 mol neon gas has a volume of 8.00L.what is the new volume of the gas in liters when the following changes occur in the quantity of the gas at constant pressure and temperature? a.a leak allows on-half of the neon atoms to escape. b. a sample of 25.0g ...
June 27, 2010 by Jetta

chem
At 20 degrees celsius the vapor pressure of dry ice is 56.5atm. If 10 g of dry ice (solid CO2) is placed in an evacuated 0.25 L chamber at a constant temperature of 20 degrees celsius, will all of the solid sublime? Is the answer no? I don't know if this is right, but I used ...
January 22, 2011 by jack

Chemistry
A tank contains Ar at 1.33 atm and Kr at 3.59 atm. We add enough Xe to give a total pressure of 6.3 atm. What is the partial pressure of the Xe?
May 3, 2012 by Brandon

Chemistry
I am totally confused. Does my answer make sense or do I need to start over? The more I read it the more I doubt my answer. I am also confused when it states Please be specific. Is it looking for a specific number for the temperature and pressure or just the conditions? Under ...
January 31, 2008 by Jamie

chemistry
a 100 W electric heater operates for 10 minutes to hear the gas in a cylinder. At the same time, the gas expands from 1 L to 14 L against a constant atmospheric pressure of 4.246 atm. What is the change in internal energy in Joules of the gas?
October 25, 2013 by maria

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

Chemistry
You have two gas-filled balloons, one containing He and the other containing H2. The H2 balloon is twice the size of the He balloon. The pressure of gas in the H2 balloon is 1 atm, and that in the He balloon is 2 atm. The H2 balloon is outside in the snow (−5 °C), and ...
March 30, 2007 by Luis

physics
A sample of gas at P = 1123 Pa, V = 1.41 L, and T = 291 K is confined in a cylinder a) Find the new pressure if the volume is reduced to half of the original volume at the same temperature. b) If the temperature is raised to 391 K in the process of part (a), what is the new ...
December 27, 2011 by maria

Chemistry
A 14.5-L tank is filled with H2 to a pressure of 2.00 102 atm. How many balloons (each 2.00 L) can be inflated to a pressure of 1.00 atm from the tank? Assume that there is no temperature change and that the tank cannot be emptied below 1.00 atm pressure.
October 28, 2010 by Mattie

chemistry
A 14.5-L tank is filled with H2 to a pressure of 2.00 102 atm. How many balloons (each 2.00 L) can be inflated to a pressure of 1.00 atm from the tank? Assume that there is no temperature change and that the tank cannot be emptied below 1.00 atm pressure.
October 31, 2010 by Mattie

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
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 ...
March 4, 2008 by stacie

Chemistry
Determine the final pressure of a gas that has initial pressure of 1.00 atm and is heated from 20.0 C to 30.0 C in a container with a fixed volume.
May 23, 2014 by WeiWei

Science
A constant volume of O2 gas is heated from 140C to 216C. The final pressure is 22.3 atm. What was the initial pressure?
April 13, 2016 by Chad

Chemistry
A 255mL gas sample contains argon and nitrogen at a temperature of 65 degrees celsius. The total pressure of the sample is 725mmHg and the partial pressure of argon is 231 mmHg. what mass of nitrogen is present in the sample?
October 17, 2015 by Mark

chem
the work done by a gas when it expands to 96 L is 4100 J. if the external pressure is 2.0 atm, determine the initial volume of the gas.
October 16, 2014 by bekah

Chemistry
the initial pressure of phosgene gas (COCl2), was 1.31 atm. it was heated, and at equilibrium the pressure of CO was found to be .547 atm. what are the equilibrium pressures of Cl2 and COCl2? CO +Cl2=COCl2 i've done it twice and keep getting the wrong answer
November 4, 2010 by Blair

Chemistry
One mole of H2O(g) at 1.00 atm and 100.°C occupies a volume of 30.6 L. When one mole of H2O(g) is condensed to one mole of H2O(l) at 1.00 atm and 100.°C, 40.66 kJ of heat is released. If the density of H2O(l) at this temperature and pressure is 0.996 g/cm3, calculate ΔE...
October 8, 2010 by nicole

College Chemistry
One mole of H2O(g) at 1.00 atm and 100.°C occupies a volume of 30.6 L. When one mole of H2O(g) is condensed to one mole of H2O(l) at 1.00 atm and 100.°C, 40.66 kJ of heat is released. If the density of H2O(l) at this temperature and pressure is 0.996 g/cm3, calculate ÄE for...
October 31, 2011 by Amanda

chemistry
One mole of H2O(g) at 1.00 atm and 100.°C occupies a volume of 30.6 L. When one mole of H2O(g) is condensed to one mole of H2O(l) at 1.00 atm and 100.°C, 40.66 kJ of heat is released. If the density of H2O(l) at this temperature and pressure is 0.996 g/cm3, calculate ΔE...
January 21, 2012 by Anonymous

chemistry
A gas is compressed from an initial volume of 5.60 L to a final volume of 1.22 L by an external pressure of 1.00 atm. During the compression the gas releases 128 J of heat. What is the change in internal energy of the gas?
March 20, 2012 by jesse

chem
A piece of solid carbon dioxide, with a mass of 6.2 g, is placed in a 4.0 L otherwise empty container at 21°C. ( a) What is the pressure in the container after all the carbon dioxide vaporizes? atm (.86 atm) (b) If 6.2 g solid carbon dioxide were placed in the same container ...
November 17, 2007 by mel

physical science
Under a pressure of 200 kPa, a confined gas has a volume of 2,500 cubic meters. The pressure acting on the gas is increased to 500 kPa. What is the new volume of the gas if the temperature remains the same?
January 7, 2013 by juan

Physics
A sealed container of volume 0.10 m3 holds a sample of 3.0 x 10^24 atoms of helium gas in equilibrium. The distribution of speeds of helium atoms shows a peak at 1100 ms-1. Caluculate the temperature and pressure of the helium gas. (helium atom 4.0 amu) How do I calculate the ...
May 19, 2008 by Oli

science
when the oxide of arsenic is heated it sublimes and becomes a gas. at 650oc and a pressure of 690mmHg the 0.927g sample of the oxide has a volume of 194cm3. calculate the volume,in cm3, that the sample would have at the same temperture (650oc) but at a pressure of 760mm Hg ...
February 2, 2007 by hanny dunny

Chemistry
A 5.00-L flask contains nitrogen gas at 25°C and 1.00 atm pressure. What is the final pressure in the flask if an additional 2.00 g of N2 gas is added to the flask and the flask cooled to -55°C?
November 28, 2016 by Kanye

Chemistry
A gas at 54◦C occupies 4.54 L. At what tem- perature will the volume be 3.04 L, assuming the same pressure?
February 23, 2014 by john