Sunday

March 1, 2015

March 1, 2015

Number of results: 41,129

**physics**

A 1.80 mol sample of an ideal diatomic gas at a pressure of 1.20 atm and temperature of 410 K undergoes a process in which its pressure increases linearly with temperature. The final temperature and pressure are 710 K and 1.83 atm. (Note: Volume does not stay constant). What ...
*September 18, 2008 by Nik*

**college (physics thermo)**

A 1.20 mol sample of an ideal diatomic gas at a pressure of 1.20 atm and temperature 380 K undergoes a process in which its pressure increases linearly with temperature. The final temperature and pressure are 680 K and 1.83 atm. (assume 5 active degrees of freedom) b. ...
*February 2, 2009 by dennis*

**physics**

Air in a diesel engine cylinder is quickly compressed from an initial temperature of 21.1°C, an initial pressure of 1.00 atm, and an initial volume of 670 cm^3 to a final volume of 44.5 cm^3. a) Assuming the air to be an ideal diatomic gas, find the final temperature (in K). b...
*December 31, 2011 by maria*

**physics**

Air in a diesel engine cylinder is quickly compressed from an initial temperature of 21.1°C, an initial pressure of 1.00 atm, and an initial volume of 670 cm^3 to a final volume of 44.5 cm^3. a)Assuming the air to be an ideal diatomic gas, find the final temperature (in K). b...
*December 27, 2011 by maria*

**science**

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

**Chem**

a container of 2.00 moles of an ideal gas as 1000 K undergoes a constant pressure and volume process in which the number of moles is increased to 5moles. what is the final temperature of the gas. How do I start this? Do I somehow use the ideal gas law?
*November 30, 2010 by Don*

**Chemistry**

a sample of helium gas is in a closed system with a movable piston. the volume of the gas sample is changed when both the temperature and the pressure of the sample are increased. the table below shows the initial temperature, pressure, and volume of the gas sample, as well as...
*April 19, 2011 by Shanee*

**Physics**

An ideal gas is contained within closed box behind a removable wall. The walls of the container are insulated, so that no heat may be transferred from the system. Initially, the gas has an initial pressure P and an initial temperature T. The gas is then allowed to freely ...
*July 20, 2014 by Sam*

**chemistry**

1)A sample of CO2 gas which weighs 0.85 grams has a volume of 1.30 liters when collected at 30°C. What would be the pressure of the gas sample? 2) A gas sample has an original volume of 600 ml when collected at 720 mm and 35°C. If a change is made in the gas temperature which ...
*April 22, 2014 by Anonymous*

**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. Before I forgot to write the question...so the question is What is the final pressure of the gas? * physics - drwls, Friday, ...
*December 12, 2009 by Ana*

**college physics**

An ideal gas (volume 1.1m3, pressure 103600 Pa, temperature 400 K) undergoes an isothermal process during which it absorbs 2000 J of heat. How much did the entropy of the system increase?
*November 11, 2010 by Kristy*

**college physics**

An ideal gas (volume 1.1m3, pressure 103600 Pa, temperature 400 K) undergoes an isothermal process during which it absorbs 2000 J of heat. How much did the entropy of the system increase?
*November 19, 2010 by Nick*

**college physics**

An ideal gas (volume 1.1m3, pressure 103600 Pa, temperature 400 K) undergoes an isothermal process during which it absorbs 2000 J of heat. How much did the entropy of the system increase?
*November 19, 2010 by Nick*

**thermodynamics**

Two kilograms of an ideal gas undergoes an isentropic process from 670 KPag and a volume of 0.80 cubic meter to a final volume of 0.51 cubic meter. If constant pressure is 0.5215 and constant volume is 0.3152 KJ/kgK, what are (a) final temperature, (b)final absolute pressure...
*November 29, 2011 by hermie*

**science**

home / homework help / questions and answers / science / physics / the temperature of an ideal gas at an initial pressure ... Question The temperature of an ideal gas at an initial pressure P1 and volume V1 is increased at constant volume until the pressure is doubled. The ...
*January 8, 2015 by ahmad*

**Maths**

One tenth kilogram of Argon is contained in a piston-cylinder assembly. Initially at 4900 K and a volume of 40 liters, the gas undergoes an isobaric process during which the heat input is 30 kJ. Where / how do i start to determine the boundary work and final temperature 100 kg...
*March 10, 2007 by Gary*

**chemistry**

At 16°C a sample of ammonia gas exerts a pressure of 11.7 atm. What is the pressure when the volume of the gas is reduced to one-fourth of the original value at the same temperature so the inital Temp=16 C initial Pressure. 11.7 final pressure-unknown temperature-same what next?
*October 17, 2010 by april*

**chemistry**

Ideal Mixed Gas Law problems 1. What is the pressure generated by a mixture of 25.6 g SO2 and 12.6 g Ne in a container of 72.45 L and temperature of 131 K? 2. What is the pressure of a mixture of 5.80 moles Kr and 2.71 moles Xe in a container with a volume of 205.6 Liters and ...
*February 23, 2015 by Theresa *

**Gas Law problems ( Chemistry)**

the initial temperature of a 1l sample of gas is 20c. The pressure is decreased from 720mmhg to 36mmhg and the volume increases to 2.14l. What was the final temperature of the gas?
*March 17, 2013 by Allyson*

**Physics**

A certain type of ideal gas at pressure p0 is contained in a plugged flask of volume V initially at temperature T1. The environmental pressure remains constant p0. (A) As the flask is heated up to temperature T2, the plug pops out. What is the pressure p2 of the ideal gas ...
*September 22, 2013 by Anon.*

**physics**

A 22.0-L tank of carbon dioxide gas (CO2) is at a pressure of 9.40 105 Pa and temperature of 22.0°C. (a) Calculate the temperature of the gas in Kelvin. K (b) Use the ideal gas law to calculate the number of moles of gas in the tank. mol (c) Use the periodic table to compute ...
*April 29, 2013 by Annette*

**Physics**

A certain type of ideal gas at pressure p0 is contained in a plugged flask of volume V initially at temperature T1 . The environmental pressure remains constant p0 . (a) As the flask is heated up to temperature T2 , the plug pops out. What is the pressure p2 of the ideal gas ...
*September 23, 2013 by Anon.*

**Physics**

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

**chemistry**

1) If the kelvin temperature of a gas sample in a steel tank increases to three times its original value , what will happen to the pressure? I think It will increase. Is this correct? By what factor does the gas pressure change? 2) A gas sample at a constant pressure shrinks ...
*March 29, 2008 by Jason*

**Physics (forgot to post this question #2)**

During the compression stroke of a certain gasoline engine, the pressure increases from 1.00atm to 20.0atm. If the process is adiabatic and the fuel air mixture behaves a a diatomic ideal gas a) by what factor does the volume change b) by what factor does the temperature ...
*March 26, 2008 by ~christina~*

**PHYSICS**

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

**chemistry**

A 300 mL sample of hydrogen gas is at a pressure of 0.500 kPa. If the pressure increases to 0.750 kPa, what will be the final volume of the sample? Assume that the temperature stays constant
*February 13, 2012 by Kristyn*

**chemistry**

A 300 mL sample of hydrogen gas is at a pressure of 0.500 kPa. If the pressure increases to 0.750 kPa, what will be the final volume of the sample? Assume that the temperature stays constant
*February 13, 2012 by Kristyn*

**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*

**Physics**

A 1.45 mol sample of an ideal gas (γ = 1.40) is carried through the Carnot cycle described in the figure below. At point A, the pressure is 28.5 atm and the temperature is 600 K. At point C, the pressure is 1.00 atm and the temperature is 400 K. How do I get the pressure ...
*June 6, 2011 by Alex*

**Physics**

The drawing shows an ideal gas confined to a cylinder by a massless piston that is attached to an ideal spring. Outside the cylinder is a vacuum. The cross-sectional area of the piston is A = 2.50 10-3 m2. The initial pressure, volume, and temperature of the gas are, ...
*November 16, 2011 by Jasmin*

**Physics **

The drawing shows an ideal gas confined to a cylinder by a massless piston that is attached to an ideal spring. Outside the cylinder is a vacuum. The cross-sectional area of the piston is A = 2.50 10-3 m2. The initial pressure, volume, and temperature of the gas are, ...
*November 16, 2011 by Angie*

**fluid mechanics**

a gas well containd hydrocarbon gases with an average molecular weight of 24, which can be assumed to be an ideal gas with a specific heat ratio 1.3. The pressure and temperature at the top of the well are 250psig and 708F, respectively. The gas is being produced at a slow ...
*November 18, 2014 by adigun. *

**physics**

ideal gas is kept under constant pressure of 1 atm. If initial temperature is 301K and the volume increases by 10% what is the final temperature of the gas? T2=? V1/V2= T1/T2 V1/V2= (301K)/T2 .10/1= (301K)/T2 Is the side with volume correct? The 10% part confuses me. Thanks ...
*December 3, 2007 by Tammy*

**physics**

An ideal gas is kept under constant pressure of 1 atm. If initial temperature is 301K and the volume increases by 10% what is the final temperature of the gas? T2=? V1/V2= T1/T2 V1/V2= (301K)/T2 .10/1= (301K)/T2 Is the side with volume correct? The 10% part confuses me. Thanks...
*December 3, 2007 by Tammy*

**ThermoPhysics**

During the compression stroke of a certain gasoline engine, the pressure increases from 1.00 atm to 20.5 atm. The process is adiabatic and the air–fuel mixture behaves as a diatomic ideal gas. (a) By what factor does the volume change? Vfinal = Vinitial (b) By what factor does...
*May 11, 2013 by CheckingMyAnswers*

**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**

Please let me know how I am doing with the following three chemistry questions. 1.A sample of a gas in thermometer has a volume of 135mL at 11 degree celcius.Indicat what temperature(in k and degree celcius)would correspond to the foll.volume: (a)volume:113mL temperature ?? ...
*November 23, 2010 by Cliff*

**physics**

An ideal gas (volume 1.1m3 , pressure 101500 Pa, temperature 290 K) undergoes an isothermal process during which it absorbs 2000 J of heat. How much did the entropy of the system increase?
*November 18, 2010 by Nadya*

**CHM**

A sample of gas has an initial volume of 2.4 L at a pressure of 855 mm Hg and a temperature of 298K. If the gas is heated to a temperature of 387 K and expanded to a volume of 4.1 L, what is its final pressure in mm of mercury?
*July 6, 2013 by A*

**Physics**

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

**Chem**

A bicycle tire is filled with air to a pressure of 100 psi at a temperature of 19C. Riding the bike on asphalt on a hot day increases the temperature of the tire to 58C. The volume increases by 4%. What is the new pressure of the tire? Convert the temps to Kelvins, then use ...
*September 30, 2006 by Mew*

**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 ...
*February 4, 2010 by Hannah*

**chemistry**

11.31) solve for the new pressure when each of the following temperature changes occurs, with n and V constant: a. a gas sample has a pressure of 1200 torr at 155 celcius. what is the final pressure of the gas after the temperature has droped to 0 celcius? 1200 x12 celcius/0 ...
*June 27, 2010 by Jetta*

**chemistry **

Hi, I really need help with my lab report because Im completely stuck. Its about the Ideal Gas behaviour. I am given the mass of Nano2 (0.5044g) the temperature of n2 gas (21.2 C) the temperature of water (21.9 C) the volume of n2 (186.1 ml) and the barometric pressure (753.06...
*October 18, 2011 by Tamara*

**Chemistry**

The volume of a gas with a pressure of 1.2 atm increases from 1.0 L to 4.0 L. What is the final pressure of the gas, assuming constant temperature?
*August 28, 2008 by Soojung*

**Physics **

One mole of an ideal gas initially at a temperature of Ti = 7.4°C undergoes an expansion at a constant pressure of 1.00 atm to eight times its original volume. (a) Calculate the new temperature Tf of the gas.______J (b) Calculate the work done on the gas during the expansion....
*November 26, 2012 by Sally*

**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*

**Science**

A fire breaks out and increases the Kelvin temperature of a cylinder of compressed gas by a factor of 1.4. What is the final pressure of the gas relative to its initial pressure?
*October 4, 2012 by KeKe*

**Physics**

A sample of a monatomic ideal gas is originally at 20 °C. Calculate its final temperature of the gas if the pressure is doubled and volume is reduced to one-fourth its initial value.
*October 15, 2013 by nbi*

**Physics**

A sample of a monatomic ideal gas is originally at 20 °C. Calculate its final temperature of the gas if the pressure is doubled and volume is reduced to one-fourth its initial value.
*October 15, 2013 by Anon*

**chemistry**

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

**Chemistry**

A 12.7 L sample of gas is under a pressure of 740 mm Hg at 20degrees C. What will be the volume of the gas if the pressure increases to 1.00 atm and the temperature drops to 0 degrees C
*January 20, 2009 by Mary*

**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?
*November 13, 2011 by Jessie*

**(chem) this will make me or break me :(**

1.If the pressure of the gas in a 2.31 L balloon is 0.120 atm and the volume increases to 7.14 L, what will be the final pressure of the air within the balloon? Round to the nearest hundredth. Don't forget the units. 2.At a pressure of 2 atm, hydrogen gas occupies a volume of ...
*May 23, 2013 by ty*

**chem ! help its killing me to :/**

1.If the pressure of the gas in a 2.31 L balloon is 0.120 atm and the volume increases to 7.14 L, what will be the final pressure of the air within the balloon? Round to the nearest hundredth. Don't forget the units. 2.At a pressure of 2 atm, hydrogen gas occupies a volume of ...
*May 23, 2013 by john*

**Physics **

Assume that 0.10 mol of argon gas is admitted to an evacuated 50 cm3 container at 20° C. The gas then undergoes isobaric heating to a temperature of 300° C. What is the final pressure of the gas? What is the final volume?
*August 4, 2012 by VW*

**Physics**

A cylinder with a valve at the bottom is filled with an ideal gas. The valve is now opened and some of the gas escapes slowly. The valve is then closed, after which the piston is observed to be at a lower position. Assume that the system is in thermal equilibrium with the ...
*November 21, 2010 by Carl*

**chem**

An ideal gas in contained in a cylinder with a volume of 5.0x102mL at a temperature of 30C and a pressure of 710 torr. The gas is then compressed to a volume of 25mL, and the temperature is raised to 820C. What is the new pressure of the gas?
*November 15, 2010 by julia*

**chemistry**

An ideal gas is contained in a cylinder with a volume of 5.0 102 mL at a temperature of 30.°C and a pressure of 710. torr. The gas is then compressed to a volume of 27 mL, and the temperature is raised to 800.°C. What is the new pressure of the gas?
*April 29, 2010 by libby*

**chemistry**

An ideal gas is contained in a cylinder with a volume of 5.0 102 mL at a temperature of 30.°C and a pressure of 710. torr. The gas is then compressed to a volume of 27 mL, and the temperature is raised to 800.°C. What is the new pressure of the gas?
*April 29, 2010 by libby*

**chemistry**

An ideal gas is contained in a cylinder with a volume of 5.0 102 mL at a temperature of 30°C and a pressure of 695. torr. The gas is then compressed to a volume of 25 mL, and the temperature is raised to 814.°C. What is the new pressure of the gas?
*November 6, 2010 by Anonymous*

**physics**

An ideal gas is initially at a temperature of 300 K. Its volume triples while its pressure decreases by a factor of two. What is its final temperature?
*December 5, 2013 by bano*

**Chemistry**

A sample of gas with a volume of 14.9 liters at 2.6 atmospheres pressure and a temperature of 25°C is allowed to expand to a volume of 29.3 liters at a temperature of 15°C. What is the final pressure (atm)atof the gas?
*March 25, 2013 by Linzy*

**Physical Chemistry**

A 3 mg sample of an unknown ideal gas is subjected to an adiabatic and mechanically reversible expansion from an initial pressure of 2 atmospheres to a final pressure of 300 torr. Given that gamma for the gas is 1.532 and that the temperature drop achieved in the expansion is ...
*September 29, 2008 by Amber*

**Physical Chemistry4**

A 3 mg sample of an unknown ideal gas is subjected to an adiabatic and mechanically reversible expansion from an initial pressure of 2 atmospheres to a final pressure of 300 torr. Given that gamma for the gas is 1.532 and that the temperature drop achieved in the expansion is ...
*September 29, 2008 by Amber*

**CHEM**

A) a picture shows a container that is sealed at the top by a movable piston. Inside the container is a ideal gas at 1.00atm , 20.0 *C, and 1.00L. (The pic is of a 2L container which has a piston pushed downward to the 1L level. Under the piston, under the 1L mark, is a sample...
*October 28, 2007 by K*

**Science/Biology/Physics**

Which of the following represents Boyle's gas law? A. Gas turns to a liquid when temperature reaches 0° C (32° F). B. As the volume of a gas increases, the temperature also increases. C. At any temperature, inert gases are less combustible than non-inert gases. D. At a fixed ...
*July 24, 2014 by J*

**Chemistry**

A sample of argon gas has a volume of 715 mL at a pressure of 1.34 atm and a temperature of 144 Celsius. What is the volume of the gas in milliliters when the pressure and temperature of the gas sample are changed to 622 mmHg and 321 K?
*May 15, 2010 by Kelly*

**college**

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

**chemistry**

a sample of helium gas has a volume of 6.50L at a pressure of 845mm Hg and a temperature of 25 celcius.what is the pressure of the gas in atm when the volume and temperature of the gas sample are changed to the following: a. 1850 mL and 325K
*June 27, 2010 by Jetta*

**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*

**physics**

an isolated quantity of an ideal gas at 297.2 K has a volume of 14.96 L at a pressure of 1.63 atm. What is the volume of this gas sample when the absolute temperature is reduced to one third and the pressure is divided by five?
*April 9, 2012 by katie *

**Physics**

0.490 mol of argon gas is admitted to an evacuated 50.0 cm^3 container at 60.0 C. The gas then undergoes an isochoric heating to a temperature of 400 C. What is the pressure?
*January 26, 2011 by Joe*

**Physics**

A fish at a pressure of 1.1 atm has its swim bladder inflated to an initial volume of 8.16 mL. If the fish starts swimming horizontally, its temperature increases from 20.0 degrees Celsius to 22.0 degress Celcius as a result of exertion. A)Since the fish is still at the same ...
*May 4, 2011 by Devon*

**physics- vry urgent**

An ideal monatomic gas initially has a temperature of 333 K and a pressure of 7.15 atm. It is to expand from volume 581 cm3 to volume 1360 cm3. If the expansion is isothermal, what are (a) the final pressure (in atm) and (b) the work done by the gas? If, instead, the expansion...
*April 9, 2009 by nirali*

**Chemistry**

Which temperature change would cause the volume of a sample of an ideal gas to double when the pressure of the sample remains the same? 1. from 200°C to 400°C 2. from 400°C to 200°C 3. from 200K to 400K 4. from 400K to 200K
*April 12, 2009 by .*

**texas southern university**

A quantity of gas in a piston cylinder has a volume of 0.544 m3 and a pressure of 200 Pa. The piston compresses the gas to 0.126 m3 in an isothermal (constant-temperature) process. What is the final pressure of the gas? ??__Pa
*October 24, 2012 by angela*

**physics**

An ideal monatomic gas initially has a temperature of 338 K and a pressure of 6.96 atm. It is to expand from volume 435 cm3 to volume 1310 cm3. If the expansion is isothermal, what are (a) the final pressure (in atm) and (b) the work done by the gas? If, instead, the expansion...
*April 21, 2011 by niki*

**physics**

An ideal monatomic gas initially has a temperature of 338 K and a pressure of 6.96 atm. It is to expand from volume 435 cm3 to volume 1310 cm3. If the expansion is isothermal, what are (a) the final pressure (in atm) and (b) the work done by the gas? If, instead, the expansion...
*April 21, 2011 by niki*

**physics**

An ideal monatomic gas initially has a temperature of 338 K and a pressure of 6.96 atm. It is to expand from volume 435 cm3 to volume 1310 cm3. If the expansion is isothermal, what are (a) the final pressure (in atm) and (b) the work done by the gas? If, instead, the expansion...
*April 22, 2011 by niki*

**Physics**

A cylinder with a movable piston contains gas at a temperature of 27 degrees celsius, a volume of 1.50 meters cubed, and an absolute pressure of 0.200 X 10 to the fifth Pa. What will be its final temperature if the gas is compressed to 0.700 meters cubed and the absolute ...
*January 23, 2013 by Clay*

**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*

**chemistry**

we believed that the molecules of a gas move around fairly rapidly, we can use this to explain all of the following EXCEPT why adding more gas increases the pressure. why most of the volume of the gas sample is taken up by the gas molecules. why the gas molecules do not ...
*November 5, 2013 by Anonymous*

**physics**

A sample of monatomic gas (£^ = 5/3) is expanded adiabatically from an initial temperature, volume, and pressure of 230. ¢XC, 6.00 litres, and 5.00 kPa, respectively, to a final volume of 7.00 litres. (a) What is the final pressure of the gas? (b) How much work is done by the ...
*April 30, 2010 by sarah*

**chem**

At what temperature will a 1.0 g sample of neon gas exert a pressure of 500 torr in a 5.0 L container ? or At what temperature will a 0.0470 mol of a gas fill a balloon to 1.20 L under 0.988 atm pressure ?
*May 14, 2012 by katie *

**Math-Algebra**

The pressure of a gas varies directly as its temperature. IF the pressure of a gas is 200 pounds per square inch (lb/in^2) at a temperature of 65.5 degrees C, what is the pressure of the gas when the temperature is 250 degrees F?
*November 11, 2013 by McKenna Louise*

**Chemistry**

Nitrogen and hydrogen, with volumes of 12.0 L each, are injected into a sealed rigid reaction chamber containing a catalyst. The pressure of the chamber is 8.00 atmospheres and at a known temperature. The reaction is allowed to proceed to completion while being maintained at a...
*August 10, 2011 by Neha*

**Chemistry. PLEASE HELP**

If we believed that the molecules of a gas move around fairly rapidly, we can use this to explain all of the following EXCEPT why adding more gas increases the pressure. why most of the volume of the gas sample is taken up by the gas molecules. why the gas molecules do not ...
*November 5, 2013 by Anonymous*

**Chemistry**

An ideal gas is contained in a cylinder with a volume of 5.0 102 mL at a temperature of 30.°C and a pressure of 710. torr. The gas is then compressed to a volume of 38 mL, and the temperature is raised to 827°C. What is the new pressure of the gas? torr
*April 4, 2013 by Rashid*

**Chemistry**

An ideal gas is allowed to expand from 6.00 L to 45.0 L at constant temperature. By what factor does the volume increase? ? Number The pressure will Increase by that factor or decrease by that factor? If the initial pressure was 105 atm, what is the final pressure?
*October 16, 2012 by Bill*

**chem**

a sealed cylinder of a gas contains nitrogen gas at 1.00*10^3 kPa pressure and a temperature of 20C. They cylinder is left in the sun and the temperature of the gas increases to 50C. What is the new pressure in the cylinder?
*January 24, 2012 by Skye*

**Physics**

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

**science**

A piston pump containing 2 liters of nitrogen gas at 3000 psia (absolute) pressure empties its entire contents into a 10 liter pressure container. Before the transfer of gas the 10 liter container already contained nitrogen gas at 100 psia (absolute) pressure. Assuming ...
*February 24, 2012 by Stephanie*

**physics**

Heat is added to an ideal gas at 20 degrees Celsius. If the internal energy of the gas increases by a factor of three during this process, what is the final temperature?
*April 19, 2012 by William*

**chemistry**

a 2.50mL sample of dry air in a cylinder exerts a pressure of3.00atm at room temperature. without changing the temperature, a piston is moved until the pressure in the cylinder is reduced to 1.00atm. what is the final volume of the gas?
*March 11, 2013 by jm*

**chemistry**

a 2.50mL sample of dry air in a cylinder exerts a pressure of3.00atm at room temperature. without changing the temperature, a piston is moved until the pressure in the cylinder is reduced to 1.00atm. what is the final volume of the gas?
*March 11, 2013 by jm*

**chem help!!**

A sealed cylinder of gas contains nitrogen gas at 1.00 103 kPa pressure and a temperature of 14°C. The cylinder is left in the sun, and the temperature of the gas increases to 51°C. What is the new pressure in the cylinder?
*April 14, 2010 by chandler*

**Chemistry**

A sealed cylinder of gas contains nitrogen gas at 1.00 10e3 kPa pressure and a temperature of 25°C. The cylinder is left in the sun, and the temperature of the gas increases to 60.°C. What is the new pressure in the cylinder?
*March 9, 2012 by Dontae*

**chemistry**

a balloon is filled with 15 L of an ideal gas of 20C. at this temperature the pressure of the gas is 1520 mm Hg. Suppose that the volume of the gas is reduced to 5 L at 290 K. what is the new pressure of the gas in atmospheres?
*December 4, 2014 by Katrina*

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