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July 22, 2014

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

Number of results: 24,151

chemistry
What is the temperature of 0.65 mol of gas at a pressure of 1.1 atm and a volume of 11.2 L?
November 8, 2010 by Anonymous

instrumentation
write note on gas in metal,vapour pressure
February 20, 2011 by raffy

chemistry
if 25.0g of O2 gas has a temperature of 400k and a pressure of 610 mm Hg, what is its volume?
July 20, 2012 by sue

Chem
If 19.0 of gas has a temperature of 320 and a pressure of 550 , what is its volume?
November 9, 2012 by Nicole

physics
What is the temperature of 0.54{\rm mol} of gas at a pressure of 1.3{\rm atm} and a volume of 10.9{\rm L} ?
May 12, 2013 by Anonymous

pressure
if 51.0L of a gas is collected at 29C and 305kPa, what is its volume at STP?
September 18, 2013 by Anonymous

Physics
Suppose a monatomic ideal gas is changed from state A to state D by one of the processes shown on the PV diagram. Find the total work done on the gas if it follows the constant temperature path A-C followed by the constant pressure path C-D. A = 2atm and 4L C = 1atm and 8L D...
December 6, 2010 by Dan

physics
Please see if I am doing this problem right. A mixture of gasoline vapor and air is placed in an engine cylinder. The piston has an area of 7.4 X 10^-3 m^2 and is displaced inward by 7.2 X 10^-2 M. If 9.5 X 10^5 Pa of pressure is placed on the piston, how much work is done ...
February 4, 2007 by Anonymous

Physics
An inflated balloon occupies a volume of two (2) liters. The balloon is tied with a string and weighted down with a heavy stone. What is its volume when it reaches the bottom of a pond 5.2 meters deep? Assume the atmospheric pressure is equal to 1 atmosphere and that one ...
March 8, 2011 by Ariannah

Chemistry- Please help me
A sample consisting of 22.7 g of a nongaseous, unstable compound X is placed inside a metal cylinder with a radius of 8.00 cm, and a piston is carefully placed on the surface of the compound so that, for all practicla purposes, the distance between the bottom of the cylinder ...
December 16, 2008 by Lauren

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

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

chemistry
CH3OH(g) ----> CO(g) + 2H2 (g) (delta H =+90.7k) A) is heat absorbed or released in the course of this reaction? b) calculate the amount of heat transferred when 45.0g of CH3OH(g)is decomposed by this reaction at constant pressure. c) for a given sample of CH3OH, the ...
October 17, 2011 by Anna

Chemistry-help
Hi, I have a question on Gas Chromatography(GC). The following were injected into the GC system: - 1) 1% sample solution in acetone 2) a 500 times dilution of item 1) The retention time of the main peak in the diluted sample solution 2) shifted by ~ 2min. The expected area ...
September 19, 2011 by jess

chemistry
A 0.286g sample of Zn was used to produce H2(g)by the reaction. Zn(s)+ 2HCl(aq)> ZnCl2(aq) + H2(g) The barometric pressure was recorded as 761.6mm Hg and room temperature was 20degreesC. When the water levels of the eudiometer tube and graduated cylinder were equal, the ...
December 3, 2012 by joann

chemistry
The problem: Nitrogen can react with steam to form ammonia and nitrogen monoxide gas. A 20.0L sample of nitrogen at 173C and 772mmHg is made to react with an excess of steam. The products are collected at room temperature (25C) into an evacuated flask with a volume of 15.0 A. ...
June 17, 2009 by Gweedo

physics
An eardrum can burst when the pressure exceeds one atmosphere and the pressure inside the ear fails to equalize. Determine the depth in seawater when this pressure would be reached. (pressure of ocean = 1.03*10^3 kg/m^3)
February 23, 2010 by Alex

chemistry
Calculate the expansion work done when 50 g of water is electrolysed under constant pressure at 25C
September 5, 2010 by Dana

chemistry
calculate the expansion work done when 50 g of water is electrolyzed under constant pressure at 25 c...why i get 6.8kj
January 26, 2014 by jayantthi

Science
A gas filled balloon having a volume of 3.0 L at 1.1 atmosphere of pressure and a temperature of 22 C is allowed to rise into the stratosphere where the temperature and pressure are: - 28 C (note the negative sign) and 0.002 atmospheres , respectively. What is the approximate ...
November 19, 2010 by Emily

Chemistry
How many grams of oxygen are collected in a reaction where 247 mL of oxygen gas is collected over water at a temperature of 25C and a total pressure of 697 torr? And would i just convert 697 torr into atm and use that for pressure? And how do i find the molar mass of the ...
February 18, 2013 by Olivia

thermodynamics
an automobile tire contains a certain volume of air at 30 psig and 70 degree fahrenheit. The barometric pressure is 29.50 in.Hg. If due to running conditions the temperature of the air in the tire rises to 160 fahrenheit, what will be the gage pressure? assume that the air is ...
September 17, 2012 by chi

chemistry
the pressure of 3moles of an ideal gas in a container is reduced from 1.0 atm to 0.50 atm against a constant pressure of 0.50 atm at a constant temperature of 273K..what is the change of heat (in J) for the process??Assume that internal energy change at constant tempreature is...
December 7, 2012 by Emin

Physics
The maximum pressure most organisms can survive is about 1000 times atmospheric pressure. Only small, simple organisms such as tadpoles and bacteria can survive such high pressures. What then is the maximum depth at which these organisms can live under the sea (assuming that ...
November 15, 2012 by Anonymous

chem
A vessel containing 39.5 cm^3 of helium gas at 25 degrees celsius and 106 kPa was inverted and placed in cold ethanol. As the gas contracted, ethanol was forced into the vessel to maintain the same pressure of helium. If tihs required 7.7 cm^3 of ethanol, what was the final ...
November 9, 2008 by Anna

AP Chemistry
I have the following marathon problem but am unsure where to start: A Sample consisting of 22.7g of nongaseous, unstable compound X is placed inside a metal cylinder with a radius of 8.00cm, and a piston is carefully placed on the surface of the compound so that, for all ...
October 2, 2007 by Derek

AP Chemistry
I have the following marathon problem but am unsure where to start: A Sample consisting of 22.7g of nongaseous, unstable compound X is placed inside a metal cylinder with a radius of 8.00cm, and a piston is carefully placed on the surface of the compound so that, for all ...
October 2, 2007 by Derek

Chemistry
How would I go about doing this problem? 146 mL of wet H2 gas is collected over water at 29.0 degrees C and room pressure of 750 torr. Give the volume of the dry H2 gas collected at STP, give the mass of the dry H2 collected, and give the volume of the dry H2 at room ...
December 8, 2010 by Marie

Physics
A cylindrical tank has a tight-fitting piston that allows the volume of the tank to be changed. The tank originally contains 0.140 m3 of air at a pressure of 3.20 atm. The piston is slowly pulled out until the volume of the gas is increased to 0.440 m3. If the temperature ...
April 17, 2012 by MiMi

chemistry
A common laboratory system to study Boyle's law uses a gas trapped in a syringe. The pressure in the system is changed by adding or removing identical weights on the plunger. The original gs volume is 50.0 ml when two weights are present. Predict the new gas volume when four ...
March 16, 2010 by catherine

physics
Container with movable piston at top and valve near bottom is filled an ideal gas. Valve is opened and some gas slowly escapes. Valve is then closed and the piston appears to be at a lower position. System is in thermal equilibrium. Is final pressure of container, greater, ...
December 5, 2011 by HELP, need ASAP

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...
August 15, 2013 by Hannah

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

11th grade chemistry
a vessel contains 12 gm of methane gas at t degree celcius temp. and 1 atm. pressure. when the temp. is increased by 10 degree celcius at the same volume, the pressure increases by 10%. calculate the volume and initial temp.
November 8, 2010 by help

chemistry
A balloon is filled with 2.3 cm3 helium gas at 112.1 atm pressure. What will be the new pressure (atm) if the volume is changed to 44.7 cm3? P1V1=P2V2 (112.1)(.0023)=(P2)(.0447) the answer i got was 54.85 so would the answer be 54.85 atm?
October 17, 2010 by kellie

Chemistry
2 moles of helium (He) are pumped from a gas canister into a weather balloon. The balloon at this point has a volume V1. 1 mole of nitrogen gas (N2) is added at the same temperature and pressure. The volume of the balloon changes to V2. How will the new volume of the balloon ...
April 17, 2013 by Colin

chemistry
a 2.00-liter sample of a gas has a mass of 1.80 grams at STP. What is the density , in grams per liter , of this gas at Stp?
October 20, 2011 by unkown

chemistry
a 2.00-liter sample of a gas has a mass of 1.80 grams at STP. What is the density , in grams per liter , of this gas at Stp?
October 22, 2011 by Anonymous

Physics-Thermo
Imagine a 600 g of water at 70oC in a piston-cylinder device. Initially, the 9-kg, 13-cm diameter piston rests on two stops such that the water occupies a volume of 0.2 m3. Heat is transferred to the system until the water is completely vaporized. Take the atmospheric pressure...
March 26, 2012 by sara

college chem
A balloon is filled with 2.3 cm3 helium gas at 112.1 atm pressure. What will be the new pressure (atm) if the volume is changed to 44.7 cm3? P1V1=P2V2 (112.1)(.0023)=(P2)(.0447) the answer i got was 54.85 so would the answer be 54.85 atm?
October 17, 2010 by kellie

CHEMISTRY
A mixture contains 5.00 g each of O2, N2, CO2, and Ne gas. Calculate the volume of this mixture at STP. Calculate the partial pressure of each gas in the mixture at STP.
May 11, 2010 by ~anonymous

chemistry
If the concentration of CO2 is 2.90 g of CO2 per 1.00 L of soft drink when bottled under 2.0 atm of CO2 pressure, what will be the concentration of the CO2 in the drink after it has been opened and left to come to equilibrium with the atmosphere which has a CO2 partial ...
January 5, 2012 by Anonymous

chemistry
If the concentration of CO2 is 2.90 g of CO2 per 1.00 L of soft drink when bottled under 2.0 atm of CO2 pressure, what will be the concentration of the CO2 in the drink after it has been opened and left to come to equilibrium with the atmosphere which has a CO2 partial ...
January 5, 2012 by Anonymous

Chemistry
What would increase the pressure inside a tank of helium gas?
January 24, 2008 by Monique

Chemistry
A gas initially at 20C must be changed to ? C to triple the pressure.
January 31, 2008 by nate

chemistry
A gas initially at 30C must be changed to ? C to triple the pressure.
January 31, 2008 by jessica

Chemistry
A gas initially at 20 C must be changed to ____ C to triple the pressure.
February 1, 2008 by Hunter

chemistry
f the pressure of 2 L of a gas at STP doubles, the new volume would be
September 5, 2008 by jr

URGENT chemistry
What pressure is exerted by 0.625 mol of a gas in a 45.4 L container at -24.0C
September 7, 2008 by jr

chemistry
how are the absolute temperature and volume of a gas at constant pressure related?
November 16, 2009 by lynda smith

chemistry
If 20.0g of nitrogen gas has a volume of 4.00L and a pressure of 6.0 atm, what is its temperature?
December 1, 2009 by Anonymous

Chemistry
Determine the density of chlorine gas at 22C and 1.00 atm pressure.
April 5, 2010 by Anonymous

chem
3. Determine the density of chlorine gas at 22C and 1.00 atm pressure.
April 6, 2010 by Courtney

science
explain why the pressure of the gas particles incfreases as the volume is decreased.
April 8, 2010 by mic

chemistry
at what temperature does 16.3 g of nitrogen gas have a pressure of 1.25 atm in a 25.0 - L tank?
April 12, 2010 by cc

chemistry
What gas volume does the water have at a temperature of 100 and 1 pressure?
May 9, 2010 by olivia

Chemistry
Calculate the density of F2 gas at 27 degree Celsius and 1.00 atm pressure?
November 9, 2010 by Amber

chemistry
What volume does 627 cm3 of a gas at 14C occupy at 40C, if the pressure does not change?
June 16, 2011 by Jasmine

Chemistry
Why is it necessary to correct the pressure of a gas that is collected over water?
September 28, 2011 by Maci

Chemistry Lab
Does the pressure exerted by a gas depend on its molar mass?
October 22, 2012 by Heather

chemistry
what is the total pressure in a gas mixture of 100 mm hg O2, 820 mm hg N2, and 1.5 mm hg CO2?
November 14, 2012 by mary

chemistry
what is the total pressure in a gas mixture of 100 mm hg O2, 820 mm hg N2, and 1.5 mm hg CO2?
November 14, 2012 by mary

Chem
What is the volume in liters of 48.0 grams of oxygen gas at 0.0 C and a pressure of 760mm Hg?
December 10, 2012 by Ana

ChM
Calculate the pressure exerted by 1.2 mol of gas in a volume of 28.2 L and at a temperature of 61 C.
July 6, 2013 by Anonymous

chemistry
what will be the pressure of 0.010m of oxygen gas in a 4.5L flask at a temperature of 10,000C?
May 1, 2014 by Anonymous

chem - pressure
A closed vessel with volume of 226.9mL initially contained air at 680.8mmHg at 16.5 degrees celcius. A sample of an organic liquid of mass 0.113g was injected into the flask which was then warmed to 124.9 degrees celcus causing all the organic liquid to vaporise. The final ...
March 31, 2010 by T

Chem
The correction terms in the Van der Waals equation for a gas are designed to correct A. the pressure term (P +a/V2) for the attractive forces between particles. B. the volume term (V-b) for the finite volume of the particles. C. For the volume term (b) not the pressure term (a...
October 18, 2006 by Mendi

chemistry
given this reaction N2O5 -> 2 N2O + 1/2 O2 all gases and given the initial pressure (P Initial) and total pressure (P total)at any time, relate the partial pressure of N2O5 (PP N2O5) to P total for any time during this reaction. Consider gas kinetics. My teacher says the ...
July 7, 2008 by guy

Chem (Help!)
I really need help answering these questions. A sample of CO2 gas with a mass of 0.30 g is placed in a 250 mL container at 400 K. What is the pressure in atmospheres exerted by this gas? Before you can put the numbers into an equation and solve for the volume, change the mass ...
April 28, 2008 by Lisa

chem
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 pure liquid is in its ...
February 24, 2008 by Anonymous

chem
a 1,000 ml coke bottle is 1/3rd filled with coke, and the rest occupied with air. Suppose this bottle is left outside and allowed to heat up to 120 degrees Fahrenheit. Assuming this bottle has an internal pressure of 768 mmHg how many atoms of gas are inside this container. ...
March 16, 2008 by Anonymous

Science
How many gallons of water per minute can flow through a 15-ft pipeline under normal pressure?
February 22, 2008 by Bob

Chemistry
A student reacts 0.1212 g of an Mg/NaCl mixture with hydrochloric acid. The volume of hydrogen saturated with water vapor collected at 20.0C was measured to be 42.7 ml. The column of water that remained in the buret was 10.3 cm high. If vapor pressure of water = 17.5 mmHg at ...
October 12, 2011 by Duane

Chemistry
0.000014 mol of argon gas is placed in a 600 mL light bulb. What's the pressure of the gas in the bulb at 23C? PV=nRT (0.6L) X = (0.000014 mol) (0.08206 L-atm/mol-K)(296.15 K) X= 5.7 *10^-4 atm ?
December 23, 2009 by Anonymous

chemistry
If 1.00 {\rm mol} of {\rm{N}}_2 has a volume of 47.0 {\rm L} under the reaction conditions, how many liters of gas can be formed by heating 38.5 g of {\rm{NaN}}_3
September 30, 2010 by Anonymous

Thermodynamic
N2 is described by its state properties of temperature @ - 100 Degree C, and pressure @10.0 MPa. Determine if it is reasonable to assume that the given substance behaves as an ideal gas at the specified state. If the substance is determined as a real gas or non-ideal substance...
January 10, 2011 by chris

Chemistry
A basketball is inflated in a garage at 25 degrees C to a gauge pressure of 8.0 psi. Gauge pressure is the pressure above atmospheric pressure, which is 14.7 psi. The ball is used on the driveway at a temperature of -7 degrees C and feels flat. What is the actual pressure of ...
January 4, 2007 by Cuzzy

stoichiometry & partial pressure
1 mole of oxygen gas and 2 moles of ammonia are placed in a container and allowed to react at 850 C according to the equation: 4NH3 + 5O2 --> 4NO + 6H2O Q: if the total pressure in the container is 5.00 atm, what are the partial pressures for the three gases remaining? I'm ...
January 28, 2007 by dory

chemistry
I need to calculate the pressure exerted by the hydrogen in an eudiometer for a weighing by redox lab. mass of Mg: .021 g temp: 295K barometric pressure: 29.87 inches Hg volume of H2 gas: the difference between tiop water level in eudiometer = 322 mm the difference in the top ...
October 25, 2007 by Rebekah

chemistry
I need to calculate the pressure exerted by the hydrogen in an eudiometer for a weighing by redox lab. mass of Mg: .021 g temp: 295K barometric pressure: 29.87 inches Hg volume of H2 gas: the difference between tiop water level in eudiometer = 322 mm the difference in the top ...
October 25, 2007 by Rebekah

Chemistry
Methyl salicylate, C8H8O3, the odorous constituent of oil of wintergreen, has a vapour pressure of 1.00 torr at 54.3oC and 10.0 torr at 95.3oC. a) What is its vapour pressure at 25oC? b) What is the minimum number of liters of air that must pass over a sample of the compound ...
December 8, 2012 by xavier

AP Chemistry
Which action(s) will decrease the equilibrium concentration of a non-reacting gas in water? 1. decreasing the temp. of the water 2. decreasing the volume of water 3. decreasing the pressure of the gas above the liquid a. 1 only b. 2 only c. 3 only d. 1 and 3 e. 1, 2, and 3
April 4, 2008 by Joe

Physics
On a cool morning, when the temperature is 13 C, you measure the pressure in your car tires to be 30 psi. After driving 50 mi on the freeway, the temperature of your tires is 42C. What pressure will your tire gauge now show? T1 = 13 C T2 = 42 C P1 = 30 psi P2 = ? By perfect ...
November 19, 2009 by ana

chemistry
Effusion/Diffusion Chemistry Help!!! If 4.83mL of an unknown gas effuses through a hole in a plate in the same time it takes 9.23mL of Argon, Ar, to effuse through the same hole under the same conditions, what is the molecular mass of the unknown gas? (146amu)
June 17, 2009 by Capacino

chemistry
if PV=RT + ἁP where ἁ is a constant Calculate the work if the gas is heated at constant pressure from T1 to T2 Calculate the work if the gas is expanded isothermally and reversibly
February 2, 2011 by noel

chemistry
A gas bulb is connected to an open end manometer. The pressure in the bulb is 0.355 Torr more than atmospheric pressure. If the manometer is filled with mineral oil (density = 0.888 g/cm3), what will be the difference in height between the two sides of the manometer? Density ...
March 21, 2011 by Kamila

AP Chemistry
An unknown compound contains only the three elements C,H, and O. A pure sample of the compound is analyzed and found to be 65.60 percent C and 9.44 percent H by mass. a.)Determine the empirical formula of the compound. b.)A solution of 1.570 grams of the compound in 16.08 ...
January 5, 2009 by some kid

general chemistry
Calculate the molar mass that would be obtained from the actul experimental data under the following conditions. The unknown is mehy propy ether (CH3OC3H7) which has the vapor pressure of 375.2 torr at room temperature, 20C. The volume of the flask is 135mL, the temperature of...
April 24, 2011 by Jasmine

physics (gas laws)
I have a packet of homework so I think I may post other questions that I'm stuck on later this weekend. So thats a heads up. This packet deals with Gas Laws. 1. Given 100 ml of dry gas measured at 37 C and 760 mmHg, what would be its volume at 60C? I used Charle's Law and ...
January 26, 2008 by abby

chemistry
A 1.325 g sample of an unknown vapor occupies 386 mL at 114 celsius and 946 mmHg. The simplest formula of the compound is NO2. What is the molecular formula of the compound? (I have N2O4, is this correct and if not, why not? We never went over this type of question in class! ...
October 20, 2010 by lavonne

Physics (Liquids)
I have a question about fluids ok... I've been told that Pressure = (density of fluid) (gravity) (height) ok that's great in all but I don't see how it works... Pressure = (Force perinduclar to area force is acting on)/(Area force is acting on) ok this great and all but leads ...
October 21, 2009 by Physics (Liquids)

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
What happens to pressure when you increase the temperature Of a gas? PV=nRT if volume is constant, increasing the right side has to increase the left side. Pressure is directly related to absolute temperature, given volume is constant. Isn't this Charles' Law?
June 12, 2007 by Dan

physics
A container holds 1.1 g of oxygen at a pressure of 7.40 atm . How much heat is required to increase the temperature by 110 degree C at constant pressure? How much will the temperature increase if this amount of heat energy is transferred to the gas at constant volume?
April 6, 2010 by Kidda

Chemistry
A vessel of 9.49 L in volume contains 3.37 L of pure water at 25C. A partial pressure of 4.73 atm of CO2 is quickly injected into the space above the water. Calculate the partial pressure of carbon dioxide remaining once the solution has become saturated with the gas. Henry'...
February 2, 2007 by Sally

Chemistry
A vessel of 9.49 L in volume contains 3.37 L of pure water at 25C. A partial pressure of 4.73 atm of CO2 is quickly injected into the space above the water. Calculate the partial pressure of carbon dioxide remaining once the solution has become saturated with the gas. Henry'...
February 2, 2007 by Sally

chemistry
A weather balloon is inflated to a volume of 27.0 at a pressure of 730 and a temperature of 31.3. The balloon rises in the atmosphere to an altitude, where the pressure is 365 and the temperature is -14.6. Assuming the balloon can freely expand, calculate the volume of the ...
October 12, 2008 by Lili

chem
The volume of any solid, liquid, or gas will change with _________. temperature and pressure.
January 14, 2007 by Dennis

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