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February 12, 2016

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

Number of results: 74,452

Columbus State
CO(g) + 2H2(g) ↔ CH3OH(g) Kc=14.5 (500K) a. In which direction will the reaction proceed if the reaction vessel contains 0.500 atm CO, 0.500 atm H2, and 0.500 atm CH3OH? Show your calculations for full credit. Remember that Q and K both have to be calculated with either ...
June 22, 2014 by Josh

Physics
How large a pressure increase (in ATM) must be applied to water if it is to be compressed in volume by 1%? The bulk modulus of water is 2 109 N/m2 and 1 ATM = 105 N/m2
December 10, 2008 by Charlie

Chemistry II
what is the molar mass of a gaseous organic compound with a density of 3.38 g/L at 40oC and a pressure of 1.97 atm? Ok, I am little confused because I am not sure of where to plug in the density and the atm?
September 2, 2009 by Michelle

Chemistry
A sample of gas (2.0 mmol) effused through a pinhole in 5.0 s. It will take __________ s for the same amount of to effuse under the same conditions.
December 31, 2014 by Claire

Chemistry
What is the pressure (in atmospheres) of the gas inside the container connected to an open-end, mercury-filled manometer as shown in the picture? The atmospheric pressure is 0.95atm. l----l | (G) l | l - --- l Hg l Hg *18cm - - --- Hg Hg HgHgHgHg what process do I use to solve...
October 21, 2007 by leo

chem-help
Use the following information to identify element A and come pound B, then answer questions a and b. An empty glass container has a mass of 658.572 g. It has a mass of 659.452 g after it has been filled with nitrogen gas at a pressure of 790. torr and a temperature of 15C. ...
December 3, 2008 by Anne

physical science
A constant volume and mass of helium gas at 47C is heated so that the pressure of the gas doubles. What is the new temperature of the gas in Celsius degrees?
July 3, 2010 by Anonymous

phy
During an isovolumetric process, the pressure on the gas is doubled and the amount of gas is tripled. If the initial temperature of the gas is 300k, what is thefinal temperture.
December 4, 2010 by brandy

Chemistry
4.0 L of hydrogen gas reacts with 2.0 L of nitrogen gas (at the same temperature and pressure), producing ammonia gas, NH3. Find the limiting reactant.
October 25, 2011 by Andres

Science
10. You analyze the gas in 100 kg of gas in a tank at atmospheric pressure, and find the Following : CO2;19.3%, N2;72.1%, O2;6.5%, H2O;2.1% What is the average molecular weight of the gas?
March 26, 2015 by Man Singh Chouhan

Chemistry
What is the molecular weight of a gas if a 15.0g sample has a pressure of 836 mm Hg at 25.0 degrees C in a 2.00 L flask? a)167 b)1.35 c)176 d)11.1 e)none of the above Please explain... I need to understand how to do this. Thanks.
January 3, 2010 by Coug

chemistry thermodynamics
a sample of methane gas of mass 25g at 250k and 18.8atm expands isothermally until its pressure is 2.5atm. calculate the change in entropy.
October 19, 2013 by sam

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

CHEM.
HELLO AND GOOD EVENING EVERYONE mY QUESTION THAT IS QUITE MAKING ME FRUSTERATED IS : HOW MANY MASSES OF Cl2 MOECULE WOULD I EXPECT TO FIND IN A SAMPLE OF CHLORINE GAS? AND IT IS FOR SURE A GAS PLEASE HELP ME WITH MY HOMEWORK THANKYOU
June 4, 2007 by Linda Cunniffe

Math: statistics
A DVD rental store wants to know what proportion of its customers are under age 21. A simple random sample of 500 customers was taken, and 375 of them were under age 21. Presume that the true population proportion of customers under age 21 is 0.68. Find the mean and standard ...
April 12, 2015 by Statistics

Chemistry
A heliox deep-sea diving mixture delivers an oxygen partial pressure of 0.20 atm when the total pressure is 13.0atm .What is the partial pressure of helium in this mixture?
April 27, 2012 by Jessica

chemistry
Consider a sample containing 2.00 mol of a monatomic ideal gas that undergoes the following changes from State A to State D: State A PA=10.5atm, VA=10.00L State B PB=10.5atm, VB=5.00L State C PC=24.5atm, VC=5.00L State D PD=24.5atm, VD=22.00L Assume that the external pressure ...
October 4, 2008 by Jane

Chemistry...
The oxygen gas emitted from an aquatic plant during photosynthesis is collected over water at a temperature of 25 degrees celsius and a total pressure of 762 torr. What is the partial pressure of the oxygen gas? What formula do I need to use?
February 20, 2013 by Katie

Chemistry
The following reaction can be used to determine the amount of calcium ion present in milk. Before the reaction below is carried out ca2+ is precipitated out of a sample of milk as CaC2O4(s). The CaC2O4(s) is then titrated with MnO4-. 2MnO4-(aq) + 5CaC2O4(s) + 16H+(aq) = 2Mn2+(...
March 29, 2011 by John

math
Aerosol cans carry clear warnings against incineration because of the high pressures that can develop upon heating. Suppose a can contains a residual amount of gas at a pressure of 755 mm Hg and a temperature of 25 C. What would the pressure be if the can were heated to 1155 C?
January 29, 2011 by Anonymous

chemistry
Aerosol cans carry clear warnings against incineration because of the high pressures that can develop upon heating. Suppose a can contains a residual amount of gas at a pressure of 755 mm Hg and a temperature of 25 C. What would the pressure be if the can were heated to 1155...
January 31, 2011 by Anonymous

chemistry
What is the partial pressure of CO2(torr) in exhaled breathe at 37.0 degree C if the partial pressure of Oxygen is 116 torrr and that of nitrogen is 659 torr. Assume the atmospheric pressure is 1.00 atm
October 25, 2012 by Carina 78

chemistry
Calculate the partial pressure of helium in a 1.00 L flask that contains equal numbers of moles of He, Ne, and Ar at a total pressure of 8.35 atm.
May 5, 2013 by Jenny

Chemistry
A 5267ml sample of h2 is collected at 772 mmhg and 21C. What would the volume be if it is cooled to oC and 1 atm?
April 26, 2011 by Terrie

vapor pressure
The total pressure in a flask containing air and ethanol at 25.7C is 878 mm Hg. The pressure of the air in the flask at 25.7C is 762 mm Hg. If the flask is immersed in a water bath at 45.0C , the total pressure is 980 mm Hg. The vapor pressure of ethanol at the new temperature...
January 22, 2007 by yayhawknelson

physics
1.7 mol of an ideal gas which starts at 1.6 atm and 50 o C does 2.0 kJ of work during an adiabatic expansion. What is the final volume of the gas?
November 18, 2010 by serena

chemistry
if initial pressure is 5 atm, initial volume is 6 liter what will be final pressure in atm when final volume is 10 lit?
March 5, 2012 by Anonymous

Chem
the pressure, in atmospheres, if 0.0477 mol occupies 424 mL at 125C
May 8, 2014 by Sarah Pick

Chemistry: Check please, these are hw assignments
1. Gases can be considered fluids. a.) True b.) False Answer: False 2.Gases are not easily compressed. a.) True b.) False Answer: True 3. Gases spread to fill out space. a.) True b.) False Answer: True 4. Increased pressure on a gas at constant temperature will cause the ...
April 2, 2011 by Cheryl

College Chemistry-Please
*Only need input not doing it for me. PLEASE QUESTION: Some hydrocarbon fuels have sulfur present and contribute to air pollution. When this solid sulfur is burned in the presence of oxygen, the noxious, toxic gas sulfur dioxide results. If there is .50 grams of sulfur and 1....
December 4, 2010 by Sue

Chemistry
A chemist is preparing to carry out a reaction at high pressure that requires 36.0 mol of hydrogen gas. The chemist pumps the hydrogen into a 15.5L rigid steel container at 25 degrees Celcius. To what pressure (in atmospheres) must the hydrogen be compressed? What would be the...
October 2, 2012 by Heather

Chem
If 4.0 grams of hydroven, 6.02 x 10^22 atoms of helium and 4.48 liters of argon, measured at STP are placed in a 2.0 liter flask, at 27 degrees C, what is the final pressure? Under controlled conditions the velocity of hydrogen molecules was found to be 250 meters/sec, and the...
November 23, 2008 by Anonymous

Chemistry
Answer check: I got 1.66 x 10^3 g O2 A steel cylinder contains 98.0 moles of oxygen gas at a temperature of 38 degrees C and a pressure of 740 torr. After some of the oxygen gas has been used, the pressure is reduced to 332 toor at a temperature of 24 degrees C. What mass of ...
September 5, 2011 by Lola

physics
one kg of a diatomic gas is at a pressure of 80000N/meter sqare .the density of the gas is 4kg/meterqubie.what is the energy of the gas due to its thermal motion?
June 25, 2013 by sagar kumar

Chemistry
Heyy, okay I have this question about chemistry and its driving me nuts. It feels like I am so close but am just missing something. The question is: A vessel of 6.84 L in volume contains 3.61 L of pure water at 25C. A partial pressure of 3.67 atm of CO2 is quickly injected ...
February 3, 2007 by Tracy

Chemistry II
A syringe with a movable piston, contains 0.057g of carbon dioxide gas at 23.5C. If the pressure in the syringe was 953mmHg, what would be the volume of the gas in the syringe? I got 2.59L, but it was wrong.
September 27, 2009 by Mandy

chemistry
0.249 g of a diatomic element occupies a volume of 125mL at 120 degrees C and 2.00 atm. This element is? Please help. I'm lost.
December 7, 2011 by Lisa

chemistry
0.249 g of a diatomic element occupies a volume of 125mL at 120 degrees C and 2.00 atm. This element is? Please help. I'm lost.
December 7, 2011 by Lisa

chemisty
To identify a diatomic gas (X2), a researcher carried out the following experiment: She weighed an empty 1.00-L bulb, then filled it with the gas at 1.10 atm and 23.0 C and weighed it again. The difference in mass was 1.27 g . Identify the gas.
October 8, 2008 by unknown

chem
To identify a diatomic gas (X2), a researcher carried out the following experiment: She weighed an empty 4.3-L bulb, then filled it with the gas at 1.90 atm and 21.0 C and weighed it again. The difference in mass was 9.5 g . Identify the gas.
November 11, 2015 by Anonymous

physics
Calculate the mass of nitrogen present in a volume of 3000 cm^3 if the temperature of the gas is 22 degrees Celsius and the absolute pressure is 2.00 * 10^-13 atm, a partial vacuum easily obtained in laboratories. The molar mass of nitrogen (N2) is 28 g/mol. What is the ...
November 15, 2007 by Jen

Chemistry
The theoritical yeild of a reaction that gives off nitrogen trifluoride gas is 844 mL at STP. What total volume of NF3 plus water vapor will be collected over water at 25 C and a total pressure of 1.017 atm?
February 14, 2008 by Katie

chemistry
1. the volume of an idea gas is 2.06L at standard temperature and pressure. Calculate the volume at 1.75 atm and 27CELCIUS. 2. Ethane, C2h6 has a molar heat of vaporization of 15kj/mole. How many kilojoules or energy are required to vaporize 5 g of ethane?
December 1, 2009 by stephanie

chem
Can someone glance over my work and see if it looks right? I'm certain about it because my units seem to be a little odd. Chloroform, CHCl3, has a vapor pressure of 197 mmHg at 23. degrees C and 448 mmHg at 45 degrees C. Estimate the heat of vaporization. ln P2/P1= heat of vap...
March 16, 2007 by Chris

Chemistry
A gas sample at STP contains 1.15 oxygen and 1.55g nitrogen. What is the volume of the gas sample? the answer 2.04. I want to know how to get the that answer
October 18, 2015 by Mark

chemistry
A sample of gas at 300 K has a volume of 2.0 liters. At what temperature will the volume decrease to 1.0 liter if the pressure is kept constant?
February 1, 2016 by shelbie

Chemistry
Calculate how many milliliters of carbon dioxide would be produced theoretically from 2.0g of sucrose at 25 deg Cel and 1 atm pressure.
March 16, 2010 by Destiny

Chemistry
What volume of H2(g), stored at 26C at a pressure of 141 atm, would be needed to run an electric motor drawing a current of 8.4 A for 4.8 h?
April 14, 2013 by Joe

chemistry
The Henry's law constant for CO2 is 3.1 x 10-2 mol/L-atm at 25C. What pressure would be necessary in order to have a .25 M solution?
February 5, 2015 by S

Chemistry
I havent been at school for 8 days due to somthing wrong with my heart, but the teachers gave me work. I have no clue how to do them. I really need help please, There all due tomarrow. Determine the density of chlorine gas at 22C and 1.00 atm pressure.
April 5, 2010 by Help please

Chemistry
N2(g) + O2(g) → N2O5(g) What volume of oxygen gas reacts to yield 750.0 cm3 of N2O5? The reaction conditions are 350C and 2.50 atm pressure. 2N2 + 5 O2 = 2N2O5 I balanced correctly. What is my next step to solve this problem. I am confused and I want to understand the ...
February 2, 2014 by Harry

chemistry
I would really like help for this question ASAP! pleasee! I thank you ahead of time. The question refers to an experiment using equal volumes of O2 gas and three other gases "X", "Y", "Z", at the same temperature and pressure. If the respective masses are: 02 = 0.96g X = 1.92g...
June 9, 2011 by md.

chemistry
I would really like help for this question ASAP! pleasee! I thank you ahead of time. The question refers to an experiment using equal volumes of O2 gas and three other gases "X", "Y", "Z", at the same temperature and pressure. If the respective masses are: 02 = 0.96g X = 1.92g...
June 9, 2011 by md.

chemistry
A 10.6 liter at 25 C and 3.21 atm inside pressure became 12.8 liters at 221 C after driving in summer. What is the pressure in the hot tire?
November 20, 2011 by NONO

phy
An emphysema patient is breathing pure O2 through a face mask. The cylinder of O2 contains 0.20 ft3 of O2 gas at a pressure of 2200 lb/in2. (a) What volume would the oxygen occupy at atmospheric pressure (and the same temperature)? ft3 (b) If the patient takes in 8.0 L/min of ...
April 13, 2013 by kira

phy
An emphysema patient is breathing pure O2 through a face mask. The cylinder of O2 contains 0.20 ft3 of O2 gas at a pressure of 2200 lb/in2. (a) What volume would the oxygen occupy at atmospheric pressure (and the same temperature)? ft3 (b) If the patient takes in 8.0 L/min of ...
April 13, 2013 by kira

Chemistry
A 70.8mL sample of "wet" O2(g) is collected over water at 29.9 degrees Celsius at a barometric pressure of 743 mmHg. The vapour pressure of water at 29.9 degrees Celsius is 31 mmHg. What is the mole fraction of O2 in the gas collected? So i found the partial pressure of O2 to ...
October 16, 2010 by Jon

Chemistry
A sample of oxygen is collected in a 387 mL container over water at 15◦C, and the barom- eter reads 738 torr. What volume would the dry gas occupy at 781 torr and 15◦C? Waters partial pressure at 15◦C is 12.8 torr. Answer in units of mL
November 20, 2012 by Caitlin

chemistry/math
Aerosol cans carry clear warnings against incineration because of the high pressures that can develop upon heating. Suppose a can contains a residual amount of gas at a pressure of 755 mm Hg and a temperature of 25 C. What would the pressure be if the can were heated to 1155...
January 31, 2011 by Kathy R

Chemistry
132. Aerosol cans carry clear warnings against incineration because of the high pressures that can develop upon heating. Suppose a can contains a residual amount of gas at a pressure of 755 mm Hg and a temperature of 25 C. What would the pressure be if the can were heated to ...
October 5, 2011 by stacy

Chemistry
If a sample of gas is cooled at a constant pressure until it shrinks to one-fourth its initial volume, what change in its kelvin temperature must have occurred?
January 13, 2013 by Sara

Miami trace
Chemistry. AN UNKNOwn gas has a pressure of 2.0, a volume of 15.0 L and a temperature of 348 Kelvin. The sample weighs 4.20 grams. What is its molecular weight. I am trying to find formula
November 30, 2015 by corey

Chemistry
At 298 K, the Henry\'s law constant for oxygen is 0.00130 M/atm. Air is 21.0% oxygen.At 298 K, what is the solubility of oxygen in water exposed to air at 1.00 atm? At 298 K, what is the solubility of oxygen in water exposed to air at 0.896 atm? If atmospheric pressure ...
February 7, 2013 by Colleen

chemistry
A piece of solid carbon dioxide, with a mass of 7.4 g, is placed in a 4.0-L otherwise empty container at 27C. (a) What is the pressure in the container after all the carbon dioxide vaporizes? 1.0atm (b) If 7.4 g solid carbon dioxide were placed in the same container but it ...
November 1, 2010 by Mattie

Chemistry
A volume of 725 mL of a gas is collected at 105 degrees celcius and 746 torr. The gas sample wights 1.92 grams. What is this gas?
November 22, 2014 by Teresa

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

chemistry
One liter of a gas mixture at 0 degree Celsius and 108.26 kPa contains 250 mg/L of H2S gas. Calculate the partial pressure exerted by gas.
January 21, 2011 by Jazmin

Gen Chem II
A gas-forming reaction produces 1.60 m3 of gas against a constant pressure of 127.0 kPa. Calculate the work done by the gas in joules. Please explain. Thanks!
January 20, 2013 by Colleen

Chemisty HELP ASAP
In this problem, your answers should be mathematical expressions involving a variable. Consider an ideal gas with an absolute temperature of T1 To what temperature would you need to heat the gas to double its pressure? T2=? I got T2=2P but it is wrong
October 17, 2012 by Bill

physics
An ideal gas is enclosed in a cylinder with a movable piston on top of it. The piston has a mass of 8,000 g and an area of 5.00 cm2 and is free to slide up and down, keeping the pressure of the gas constant. (a) How much work is done on the gas as the temperature of 0.230 mol ...
April 29, 2013 by Annette

physics
An ideal gas is enclosed in a cylinder with a movable piston on top of it. The piston has a mass of 8,000 g and an area of 5.00 cm2 and is free to slide up and down, keeping the pressure of the gas constant. (a) How much work is done on the gas as the temperature of 0.230 mol ...
April 29, 2013 by Annette

physics
An ideal gas is enclosed in a cylinder with a movable piston on top of it. The piston has a mass of 8,000 g and an area of 5.00 cm2 and is free to slide up and down, keeping the pressure of the gas constant. (a) How much work is done on the gas as the temperature of 0.230 mol ...
April 29, 2013 by Annette

Chemistry
It turns out that the Van Dar Waals constant b is equal to four times the total volume actually occupied by the molecules of a mole of gas. Using this figure, calculate the fraction of the volume in a container actually occupied by Ar atoms: a) at STP b) at 100 atm pressure ...
January 9, 2011 by Anonymous

7th Grade Help
If the temperature increases in a sample of gas at constant volume, then its a. volume increases b. pressure decreases c. pressure increases d. volume decreases Plz help me, I don't know it.
September 8, 2012 by completeidiot

Chemistry
Use the van der Waals equation of state to calculate the pressure of 3.60 mol of NH3 at 489 K in a 4.50-L vessel. Van der Waals constants can be found here. P= Use the ideal gas equation to calculate the pressure under the same conditions. P= I have tried absolutely everything...
October 23, 2015 by Anna

chemestry
At 298.K and 1.00 atm, assume that 22 mL of NO gas reacts with 18 mL of oxygen gas and excess water to produce nitric acid according to the following equation: O (g) H O(l) 2 HNO (g) 2 3 2NO(g) + 2 + 2 3 . If all of the nitric acid produced by this reaction is collected ...
November 2, 2010 by lore

chemistry
SO2Cl2(g) SO2(g) + Cl2(g) The Kp for the reaction is 2.18 at 648 K. A sample of SO2Cl2 is placed in a container and heated to 648 K while the total pressure is kept constant at 9.00 atm. Calculate the partial pressures of the gases at equilibrium.
December 2, 2013 by helly

Chemistry
sample of methane gas at 250K and 1.5atm has a volume of 3.0L. the temp change is 350K and volume is increased to 6.0L. what is the new pressure?
May 26, 2009 by Mary

Chemistry
If a sample of 23.0 L of NH3 gas at 10 degrees C is heated at constant pressure until it fills a volume of 50.0 L. What is the new temperature in degrees C?
December 2, 2010 by Nana

chem
a 9.6L sample of hydrogen gas (H2) @ 88 degrees C is cooled until its final vol was 3.4L. If ther are no pressure changes what is the final temp?
April 25, 2011 by ALEX5

chemistry
A sample of gas has a mass of 0.565g . Its volume is 120 mL at a temperature of 80∘C and a pressure of 747 mmHg . what is the molar mass
March 9, 2014 by steph

Chemistry
a diver exhales a bubble with a volume of 250 mL at a pressure of 2.4 atm and a temperature of 15 degrees celcius. What is the volume of the bubble when it reaches the surface where the pressure is 1.0 atm and the temperature is 27 degrees celcius
November 14, 2012 by Lauren

chemistry
A piston is used to compress a gas from 1.0 atm to 3.5 atm. If ther volume changes from 1.5L to 0.75L, what is the final temperature, if it started at 300k? 1050K 700K 525K 300K
November 25, 2011 by Mario

chemistry gas laws
In a science demonstration, 4 to 6 plastic garbage bags are arranged under a 2 m by 2 m piece of plywood. A volunteer stands on the plywood and others blow into the bags to "levitate" the volunteer. If four bags are used and a 140 lb person is on the plywood, what is the ...
December 4, 2006 by bb

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 ...
November 14, 2010 by Alice

heat
if the absolute pressure of a gas is 550.280 kPa, its gage pressure is ? A.101.325kPa b.277.280kPa c.448.955kPa d.651.605kPa Gauge pressure - atmosphericpressure=absolute pressure where atmospheric pressure varies, but standard atmospheric pressure is 101.325kPa NEED ANSWER ...
July 15, 2005 by Andre

Chemistry
1) A quantity of 85 mL of .900 M HCl is mixed with 85 mL of .900 M KOH in a constant-pressure calorimeter that has a heat capacity of 325 J/C. If the initial temperatures of both solutions are the same at 18.24 degrees C, what is the final temperature of the mixed solution? 2...
November 18, 2014 by Vince

Physics
The cylinder in the drawing contains 3.81 mol of an ideal gas. By moving the piston, the volume of the gas is reduced to one-fourth its initial value, while the temperature is held constant. How many moles Δn of the gas must be allowed to escape through the valve, so that...
October 27, 2014 by Bobby

chemistry
At 25 degrees celsius and 1.0 atm, 0.25g of a gas dissolves in 1.00L of water. What mass of the gas dissolves in 1.00 L of water at 25 degrees celsius and 3.0 atm?
March 31, 2008 by Anonymous

science
a sample of natural gas at stp is 78% ch4 and 22% c2h6 by volume. how many moles of each gas are presented in 2 L of the mixture.assume ideal gas behavior
February 20, 2011 by uriel

AP Chemistry
I need alot of help on this problem, it is due WEDNESDAY and I have no clue how to do it Use the following information to identify element A and come pound B, then answer questions a and b. An empty glass container has a mass of 658.572 g. It has a mass of 659.452 g after it ...
January 21, 2008 by Eric

chemistry
a 5.0 dm3 sample of oxygen at a pressure of 200 kPa and 2.0 dm3 sample of nitrogen at a pressure of 500 kPa are introduced into a 2.5 dm3 vessel. what is the total pressure in the vessel?
April 10, 2011 by sandra

Chemistry problem
The volume of an ideal gas contracts from 5.68 L to 2.35 L as the result of a constant applied pressure of 1.48 atm. The system releases 733 J of heat during this process. Calculate deltaU (internal energy) for this process. Express answer in Joules. Please help, thank you ...
October 21, 2012 by Tymee

Chemistry problem
The volume of an ideal gas contracts from 5.68 L to 2.35 L as the result of a constant applied pressure of 1.48 atm. The system releases 733 J of heat during this process. Calculate deltaU (internal energy) for this process. Express answer in Joules. Please help, thank you ...
October 21, 2012 by Tymee

Chemistry
It is known that 1.0 L of nitrogen gas reacts with 3.0 L estequilometricamente gas ...? Edit Hydrogen to form 2.0 L of ammonia gas in the same conditions of pressure and temperature. a)What is the final volume of gas? b)5.0 L of N2 + 9.0 L H2. What final volume?
February 12, 2016 by Anonymous

chemistry
an ideal gas in a closed inflexible container has a pressure of 6 atms and a temperature of 27 degree c. What will be the new pressure of gas of temperature is decreased to -73 degree c. 1) 2atm 2) 3atm 3) 4atm 4) 8atm 5) 9atm
August 27, 2011 by marjani

Chemistry
At the temperature of 30degree C and pressure of 1*10^5 pa, 30dm3 of H2 gas is burned with 30dm3 of O2 gas in a container of 60dm3. Calculate the pressure different after the complete combustion and cooling upto 30degree C again.
February 25, 2013 by Emma

chemistry
A volume of 35.0 mL of nitrogen gas was collected over water at 24 degrees C and 99.1kPa. The vapor pressure of water at this temperature is 2.99 kPa. What is the pressure of the nitrogen gas alone?
June 14, 2010 by Edward

Chemistry-Gas Laws
At 0 degrees celcius, a 1.0 L flask contains 5.0 x 10^-2 mol N2, 1.5 x 10^2 mg O2, 5.0 x 10^21 molecules NH3. Calculate the partial pressure of each gas and what is the total pressure in the flask. How do I calculate this?
May 8, 2012 by Bran

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