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April 21, 2014

Search: gas

Number of results: 9,615

chemistry
which of the following steps in the formation of KCI releases energy? A.K{solid} -> K{gas} B.K {GAS} -> K+ {GAS} + e- C.C1 {GAS} -> C1- {GAS} D.C1 {GAS} + e- -> C1 - {GAS} E. K+ {GAS} + C1- {GAS} -> KC1 {SOILD} A. A B. C C. B AND A D. D AND E I will be happy to ...
Friday, January 12, 2007 at 4:13am by Darius Graham

chemistry
2. if yoou have a container of 2(som gas)---><---(another gas) and the first gas which has two mols is brown and the gas on product side is colorless how come when pressure is increased the gas becomes darker than lighter? is it because equillibrium is distrubed and more...
Tuesday, July 21, 2009 at 2:44pm by DrBob222

PHYSICS
Identify the following gas compression descriptions as adiabatic, isothermal or isobaric. a. As the gas compresses, the internal energy U, decreases when the temperature decreases; the work done on the gas is greater than the heat removed from the gas: ___________________ b. ...
Saturday, March 3, 2012 at 10:21pm by GRISSELL

science
Choose the correct answer. 1. A bad smalling gas is mixed with cooking gas.so that; (a)cooking gas burns better in presence of this gas (b)it becomes odouries after buring(C)it helps detect leakage of cooking gas(D)a preevents leakage of cooking gas.
Friday, November 14, 2008 at 6:52am by mimo

chem.
What is the total pressure in of a gas mixture containing argon gas at 0.25 , helium gas at 385 , and nitrogen gas at 345 .
Thursday, September 6, 2012 at 1:32am by katy

chemistry please help
What is the total pressure in of a gas mixture containing argon gas at 0.25 , helium gas at 385 , and nitrogen gas at 345
Thursday, September 6, 2012 at 11:10am by katy

Chemisty
Fluorine gas can react with ammonia gas to produce dinitrogen tetrafluoride gas and hydrogen fluoride gas. This reaction is described by the following balanced equation: 5 F2 (g) + 2 NH3 (g) N2F4 (g) + 6 HF (g) What mass of hydrogen fluoride gas is produced from 135 g of ...
Friday, March 8, 2013 at 7:46pm by Anna

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 ...
Tuesday, November 5, 2013 at 12:50am by Anonymous

physics
A cylinder with a movable piston holds 2.75 mol of argon gas at a constant temperature of 295 K. As the gas is compressed isothermally, its pressure increases from 101 kPa to 121 kPa. Find (a) the final volume of the gas, (b) the work done by the gas, and (c) the heat added to...
Monday, October 31, 2011 at 5:52pm by Matthias Schwartzkopf

chem. urgent need hel katy
What is the total pressure in of a gas mixture containing argon gas at 0.25 , helium gas at 385 , and nitrogen gas at 345 .
Thursday, September 6, 2012 at 1:32am by katy

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 ...
Tuesday, November 5, 2013 at 5:16pm by Anonymous

chemistry
Convert grams each gas to mols. mols = g/molar mass Convert each gas to mole fraction. Xeach gas = mol each gas/total mols. partial pressure each gas = Xeach gas*Ptotal
Sunday, April 15, 2012 at 7:08pm by DrBob222

chemistry
Assume that 0.0200 mole of a gas is collected in the lab by water displacement. If the temperature of the gas is 26.0oC and the total pressure in the gas tube is 745 mm Hg (including water vapor), what is the volume in liters of the dry gas? (Use the ideal gas law.)
Monday, March 31, 2014 at 3:20am by Anonymous

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...
Thursday, August 15, 2013 at 12:53pm by Hannah

chemistry
Consider a 50 L tank which hold 20 g of hydrogen gas, 20 g of carbon dioxide gas, and 20 g of krypton gas, at a total pressure of 600 KPa. 1. which gas has the largest partial pressure? 2. Which gas the smallest average speed? 3. What is the temperature of this gas mixture? 4...
Thursday, January 20, 2011 at 2:18pm by Hunter

chemistry please help
What is the total mmHg pressure in of a gas mixture containing argon gas at 0.25atm , helium gas at 385mmHg , and nitrogen gas at 345torr. ? sorry i didnt relize i left them out.
Thursday, September 6, 2012 at 11:10am by katy

Chem
How would increasing the volume of the reaction vessel affect these equilibria. You don't have to tell me the answers, but can you please explain to me how I get the answer. a) NH4Cl(solid) <===> NH3(gas) + HCL(gas) b) N2(gas) + O2(gas) <===> 2NO(gas)
Wednesday, March 10, 2010 at 11:21pm by Sammy

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 ...
Monday, April 29, 2013 at 11:10am 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 ...
Monday, April 29, 2013 at 11:10am 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 ...
Monday, April 29, 2013 at 11:13am by Annette

Physics Last Question HEEEELLLPPP !
#1 The internal energy of the gas in a gasoline engines cylinder decreases by 295 J. If 47.0 J of work is done by the gas, how much energy is transferred as heat? #2 If an ideal gas does work on its surroundings: a. The internal energy of the gas increases b. The volume of ...
Sunday, December 12, 2010 at 5:19pm by Jarrid

chemistry
20g of nitrogen gas and 10g of helium gas are placed together in a 5L container at 25C . Calculate the partial pressure of each gas and the total pressure of the gas mixture.
Sunday, November 20, 2011 at 10:44am by NONO

Chem
A chemist was asked to find the molecular mass of a gas. She massed the gas and found that 3.73 g of the gas occupied 300 cm3 at 25C and 92.4 kPa. What is the molecular weight of the gas?
Friday, March 28, 2008 at 10:06pm by B

Chemistry
Please show me the steps..... At STP, 3.00 L of nitrogen gas contains the same number of molecules as A) 1.00 L of nitrogen gas B) 2.00 L of oxygen gas C) 3.00 L of chlorine gas D) 4.00 L of hydrogen gas
Wednesday, December 1, 2010 at 11:00am by Kiesha

Chemistry
A pocket of gas is discovered in a deep drilling operation. The gas has a temperature of 480c and is at a pressure of 12.8 atm. What volume of gas is required to provide 18.0 L of gas at the surface where the conditions are 22 C and 1.00 atm?
Tuesday, January 15, 2008 at 12:37am by Lauren

chemistry please help i cant figure this out
What is the total mmHg pressure in of a gas mixture containing argon gas at 0.25atm , helium gas at 385mmHg , and nitrogen gas at 345torr. ? sorry i didnt relize i left them out.
Thursday, September 6, 2012 at 2:02pm by katy

Chem 1000
A Cylinder is filled with 1.20 mol of He(g) at 25 C under ambient pressure of 0.966 atm. The gas in the cylinder is then heated with 1.430 KJ of heat, and the piston is raised by the expanding gas under the constant ambient pressure. Calculate the following after expansion. a...
Saturday, October 16, 2010 at 3:23pm by J Velji

College Chemistry
A Cylinder is filled with 1.20 mol of He(g) at 25 C under ambient pressure of 0.966 atm. The gas in the cylinder is then heated with 1.430 KJ of heat, and the piston is raised by the expanding gas under the constant ambient pressure. Calculate the following after expansion. a...
Saturday, October 16, 2010 at 3:33pm by J Velji

chem
Consider the following cyclic process carried out in two steps on a gas. Step 1: 48 J of heat is added to the gas, and 20. J of expansion work is performed. Step 2: 70. J of heat is removed from the gas as the gas is compressed back to the initial state. Calculate the work for...
Sunday, December 2, 2007 at 12:27pm by mel

CHEMISTRY
Consider the following cyclic process carried out in two steps on a gas. Step 1: 41. J of heat is added to the gas, and 20. J of expansion work is performed. Step 2: 60. J of heat is removed from the gas as the gas is compressed back to the initial state. Calculate the work ...
Monday, April 30, 2012 at 11:56pm by Sarah

Chem
Classify each of theses changes as a positive or negative change in entropy of a sample of this green gas. A) chlorine gas condense to a liquid = - B) chlorine gas is heated in a container= + C) chlorine gas deposits on a cold surface= -
Friday, March 8, 2013 at 5:29pm by Can someone check this for me really quick

chem
What is the total pressure in mm Hg of a gas mixture containing argon gas at 0.25 atm helium gas at 350 mm,Hg, and nitrogen gas at 360 torr.
Saturday, July 10, 2010 at 6:46pm by andy

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?
Thursday, July 18, 2013 at 1:01am by Anonymous

pressure
a 6.04L cylinder contains 1.71mol of gas A and 4.35 mol of gas B, at a temperature of 33.1C. calculate the partial pressure of each gas in the cylinder. assume ideal gas behavior.
Wednesday, September 18, 2013 at 6:29pm by Anonymous

algebra
while driving a car you realize that you only have one eighth gas remaining before you run out of gas you pull into a gas station and put is gallons of gas in your car's tank is now three fourths full how many gallons of gas does your car's tank hold show or explain how you ...
Thursday, November 17, 2011 at 6:43pm by patel

chemistry
No, the are not the same. The Combined Gas Law is: P1V1/T1 = P2V2/T2 The Ideal Gas Law is: PV = nRT Your chemistry textbook should explain the difference. The most importance difference is that in the Combined Gas Law, the amount (moles) of gas are assumed to be constant. In ...
Monday, March 2, 2009 at 7:25pm by GK

chemistry
What are the skeleton equations for Dicarbon hexahydride gas + oxygen gas --> carbon dioxide gas + gaseous water And Solid barium and chlorine gas react to produce solid barium chloride
Tuesday, April 3, 2012 at 3:00pm by me

physics (gas laws)
30 cubic meters of argon gas are kept under constant pressure. The gas is heated from 10.0 degrees Celsius to 293 degrees Celsius. What is the new volume of the gas?
Saturday, January 26, 2008 at 9:08pm by Anonymous

Chemistry
Please help me out... The pressure of a container of fluorine gas with a volume of 1.5L is 678mmHg at 55.0*C. a. If the volume of the fluorine gas increases to 5.0L, what would be the pressure of the gas in atm? The amount and tempature of gas are consistant. b.How many grams ...
Saturday, November 19, 2011 at 8:16pm by Victor

science
If the student opened the bag after the above experiment, what would happen to volume of gas inside? A. The volume of gas in the bag will stay the same. B. the volume of gas in the bag will be decrease. C. The volume of gas in the bag will be increase. D. the volume of gas in ...
Thursday, January 30, 2014 at 7:11pm by Paul

physics
A cylinder with a moveable piston holds 3.00 of argon at a constant temperature of 300 . As the gas is compressed isothermally, its pressure increases from 101 to 125 .Find the final volume of the gas.Find the work done by the gas.Find the heat added to the gas.
Thursday, December 9, 2010 at 1:15pm by demitri

chrmistry
Henry's Law simply says that the solubility of a gas in a solvent (usually water) is proportional to the partial pressure of the gas above the liquid. So if a gas dissolves in water at say 25 C to make 0.0001M (that's 0.0001 mols gas/L soln) at 1 atm pressure for the gas, then...
Saturday, May 25, 2013 at 2:16pm by DrBob222

chemistry
write an equilibrium constant expression for the reaction of acetylene gas with hydrogen gas to produce methane gas.
Thursday, March 24, 2011 at 7:58pm by katie

Chemistry
A gas, Y, diffuses 1.05 times faster than SO2 gas at the same conditions. What is the molecular weight of gas Y?
Tuesday, December 3, 2013 at 9:10am by Krystal

chemistry
How many moles are in gas A? Use PV = nRT and solve for n. How many moles are in gas B? Solve for n for that gas. Now, using PV = nRT and a NEW volume (the final volume = 74L+56L = ??L) calculate the P of each gas by itself. There is a much easier way to do it. P1V1 = P2V2 for...
Monday, November 1, 2010 at 5:57pm by DrBob222

chem
6.01-L cylinder contains 1.25 mol of gas A and 4.54 mol of gas B, at a temperature of 32.8 C. Calculate the partial pressure of each gas in the cylinder. Assume ideal gas I have work this question three time and can not get the rt answer
Sunday, December 1, 2013 at 9:54pm by dinah

chem
6.01-L cylinder contains 1.25 mol of gas A and 4.54 mol of gas B, at a temperature of 32.8 C. Calculate the partial pressure of each gas in the cylinder. Assume ideal gas I have work this question three time and can not get the rt answer
Sunday, December 1, 2013 at 10:01pm by dinah

Chemistry
Explain what will happen to the volume of a gas as the pressure on that gas is increased. Assume that the temperature and amount of gas remain constant.
Wednesday, August 18, 2010 at 3:16pm by christine

Chemistry
"The analyzer said that at 20degreesC the unknown gas was 82.8% carbon by weight and 17.2% hydrogen. The analyzer also diffused the gas through a special apparatus and measured the rate of its diffusion compared to how fast oxygen gas diffused under the same conditions. The ...
Monday, January 17, 2011 at 6:54pm by Anonymous

Chemistry
"The analyzer said that at 20degreesC the unknown gas was 82.8% carbon by weight and 17.2% hydrogen. The analyzer also diffused the gas through a special apparatus and measured the rate of its diffusion compared to how fast oxygen gas diffused under the same conditions. The ...
Monday, January 17, 2011 at 6:54pm by Anonymous

chemistry
I find a diagram like this helps with these questions. Do you see the answer? Not to scale. 101.........H2O gas(steam) 100.........H2O b.p. liq/gas 99..........H2O liquid 20...........room temp H2O liquid 0..........freezing point H2O liq/solid -1.......... H2O solid -182...
Tuesday, July 30, 2013 at 6:54pm by DrBob222

chemistry
A gas tank holds 15.0 liters of gas at 37C and 342 kPa. What volume would this gas occupy at STP?
Tuesday, January 11, 2011 at 7:11pm by Hunter

chemistry
A gas tank holds 15.0 liters of gas at 37C and 342 kPa. What volume would this gas occupy at STP?
Tuesday, January 11, 2011 at 7:12pm by Hunter

chem
Krypton gas is four times denser than neon gas at the same temperature and pressure. Which gas is predicted to effuse faster?
Tuesday, January 8, 2013 at 4:30pm by Samantha

Chemistry
5 orange gas particles 6 blue gas particles 3 green molecules of gas (two particles attached together) If the partial pressure of the diatomic gas is 0.390 atm, what is the total pressure?
Sunday, October 14, 2012 at 9:23pm by Anonymous

chemistry
i have two questions. 1. generally speaking, if the pressure of a gas is tripled, what will happen to its volume? 2. If I take 2000L of gas at STP and squish it into a gas 15.0L gas cylinder, what will be the pressure inside the cylinder, assuming the temperature is kept ...
Saturday, May 21, 2011 at 7:05pm by me

chem
A sample of gas confined in a cylinder with a movable piston is kept at constant pressure. The volume of the gas doubles when the temperature of the gas is changed from
Saturday, July 10, 2010 at 1:28pm by jason

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.
Saturday, December 4, 2010 at 3:40pm by brandy

chemistry
calculate and compare the average gas phase translational energies and rms speeds of HE gas and H2 gas at 20 degrees celsius
Sunday, January 23, 2011 at 1:22pm by brandie

chemistry
A sample of 0.50 moles of gas is placed in a container of volume of 2.5 L. What is the pressure of the gas in torr if the gas is at 25 degrees C ? Show work ?
Thursday, February 17, 2011 at 11:22am by Cat

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.
Tuesday, October 25, 2011 at 5:16pm by Andres

Chemistry
3.15 g of an unknown gas at 53 C and 1.00 atm is stored in a 1.55-L flask. The gas has a density of 2.03 g/L. What is the molar mass of the gas?
Thursday, November 10, 2011 at 2:30pm by Harley

chemistry
N2(g)+H2(g)-NH3(g) Calculate the volume of ammonia gas produced when20cm3 of nitrogen gas was reacted with an excess of hydrogen gas
Monday, March 25, 2013 at 4:02am by kate

physics
An ideal gas, for which gamma=1.5, undergoes an adiabatic expansion in which its volume is doubled. if the initial temp if the gas is 27 C, what is the final temperature of the gas?
Wednesday, September 4, 2013 at 6:10am by key

Physics
the volume of a monoatomic ideal gas doubles in an adiabatic expansion. by considering 135 moles of gas with an initial pressure of 330kPa and an initial volume of 1.2m^3, the gas is then expands adiabatically to a volume of 2.4m^3. FIND THE WORK DONE BY THE GAS. Thank you.
Sunday, March 10, 2013 at 1:18am by PhyConfusion

science
Know the volume of the container, V. Measure the pressure, P, and the temperature, T. Then use the ideal gas law n = PV/RT n is the number of moles of gas. That formula works no matter what the gas is. If you need to know the particular amount one type of gas in a mixture, ...
Sunday, February 3, 2008 at 11:22am by drwls

Chemistry
Hydrogen gas, , reacts with nitrogen gas, , to form ammonia gas, , according to the equation 3H2+N2-2NH3 How many grams of can be produced from 2.90 of ?
Monday, October 5, 2009 at 7:37pm by Rose

Chemistry
What is the final volume of 725 mL of neon gas at 240.C if the gas is cooled to 54.5C? Assume the pressure and the amount of gas are held constant.
Saturday, May 1, 2010 at 2:26pm by Tiffany

chemistry
What is needed to calculate the mass of ammonia gas produced from 2.0 L of nitrogen gas in excess hydrogen gas in the reaction below? N2(g) + 3H2(g) 2NH3(g)
Wednesday, June 16, 2010 at 1:08pm by ashley

chemistry
What is needed to calculate the mass of ammonia gas produced from 2.0 L of nitrogen gas in excess hydrogen gas in the reaction below? N2(g) + 3H2(g) 2NH3(g)?
Wednesday, June 23, 2010 at 11:17am by Anonymous

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?
Saturday, July 3, 2010 at 9:37pm by Anonymous

Chemistry
What is the final volume of 945 mL of neon gas at 174C if the gas is cooled to 58.5C? Assume the pressure and the amount of gas are held constant.
Thursday, April 14, 2011 at 3:47pm by Mary

chem 1
A gas-forming reaction produces 1.35 m3 of gas against a constant pressure of 143.0 kPa. Calculate the work done by the gas in joules.
Thursday, May 2, 2013 at 6:17am by christie

Linear Equation
A gas station sells regular gas for $2.20 per gallon and premium gas for $2.70 a gallon. At the end of a business day 220 gallons of gas were sold and receipts totaled $519. How many gallons of each type of gas were sold? I know its a linear equation. just cant find out how to...
Friday, July 12, 2013 at 7:09pm by Sara

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
Sunday, February 20, 2011 at 3:23pm by uriel

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?
Tuesday, June 25, 2013 at 5:41am by sagar kumar

chemistry
nitrogen gas and oxygen gas combines to produce nitrogen dioxide. What amount of oxygen gas is needed to completely react with 3kg of nitrogen gas?
Thursday, November 11, 2010 at 5:27pm by tarkan

Chemistry
1. You have gone back in time and are working with Dalton on a table of relative masses. Following are his data: 0.602g gas A reacts with 0.295g gas B 0.172g gas B reacts with 0.401g gas C 0.320g gas A reacts with 0.374g gas C a) Assuming simplest formulas (AB,BC,AC) construct...
Monday, September 6, 2010 at 3:12pm by samuel

Chemistry
An ideal monatomic gas initially at 298 K and 1 atm pressure is expanded from a volume of 1 liter to 2 liters. Consider separately isobaric, isothermal and adiabatic expansions to accomplish this. In each case, calculate the following: a) The final temperature of the gas b) ...
Sunday, January 30, 2011 at 9:07pm by Marcus

Physics
The internal energy of a gas is 585 J. The gas is compressed adiabatically, and its volume decreases by 137 cm3. If the pressure applied on the gas during compression is 2.65 atm, what is the internal energy of the gas after the adiabatic compression?
Saturday, January 18, 2014 at 3:10pm by Kimmy

Physics
The internal energy of a gas is 585 J. The gas is compressed adiabatically, and its volume decreases by 137 cm3. If the pressure applied on the gas during compression is 2.65 atm, what is the internal energy of the gas after the adiabatic compression?
Saturday, January 25, 2014 at 1:04pm by Kimmy

Chemistry
A McLeod gauge measures low gas pressures by compressing a known volume of the gas at constant temperature. If 315 cm^3 of gas is compressed to a volume of 0.0457 cm^3 under a pressure of 2.51 kPa what was the original gas pressure?
Thursday, April 16, 2009 at 12:09am by Anonymous

Chemistry
a tank contains a mixture of 3.0 mol of nitrogen gas, 2.0 mol of oxygen gas and 1.0 of carbon dioxide gas at 25 degrees celsius and a total pressure of 10.0 atm. Calculate the partial pressure in torr of each gas in the mixture?
Sunday, July 10, 2011 at 8:48pm by Elizabeth

chemsity
A 6.48-L cylinder contains 1.48 mol of gas A and 4.80 mol of gas B, at a temperature of 33.4 C. Calculate the partial pressure of each gas in the cylinder. Assume ideal gas behavior.
Sunday, December 1, 2013 at 12:22am by dinah

help me please physics
A monatomic ideal gas expands from point A to point B along the path shown in the drawing. (a) Determine the work done by the gas. J (b) The temperature of the gas at point A is 198 K. What is its temperature at point B? K (c) How much heat has been added to the gas during ...
Friday, December 10, 2010 at 9:32pm by tom

chemistry
Yes, that will do. V = k T as T goes up, the volume gets big. If the gas is in your lungs, your lungs get big. This is not good. Divers call it "air embolism" when they do not breathe out coming up. (The other Law, Boyle's, P V = k, you put this all together into the ideal gas...
Saturday, March 22, 2008 at 5:23pm by Damon

physics
Three moles of an ideal gas are compressed from 5.5*10^-2 to 2.5*10^-2 m^3. During the compression, 6.1*10^3J of work is done on the gas, and heat is removed to keep the temperature of the gas constant at all times. Find the temperature of the gas. Can anyone please give me ...
Sunday, March 2, 2008 at 2:40pm by Stella

PHYSICS
Three moles of an ideal gas are compressed from 5.5*10^-2 to 2.5*10^-2 m^3. During the compression, 6.1*10^3J of work is done on the gas, and heat is removed to keep the temperature of the gas constant at all times. Find the temperature of the gas. Can anyone please give me ...
Sunday, March 2, 2008 at 5:42pm by sTELLA

Chemistry
A sample of natural gas at STP is 78% CH4 and 22% C2H6 by volume. How many moles of each gas are present in 1.60L of the mixture? Assume ideal gas behavior
Wednesday, October 6, 2010 at 5:20pm by Missy

chemistry
a gas sample heated in a cylinder uses 650kJ of heat. a piston that compresses this gas does 800kJ of work. What is the change in internal energy, ^E of the gas during this process?
Tuesday, February 12, 2013 at 9:52pm by harry

Math
The price of gas is 85.9 cents per Litre. If Brenda needs 48.3 L of gas to fill her gas tank, how much will she pay? Please show the steps.
Tuesday, April 15, 2014 at 5:40pm by Anna

College Physics
The rms speed of the molecules in 1.7 g of hydrogen gas is 1700 m/s. What is the total translational kinetic energy of the gas molecules? What is the thermal energy of the gas? 500 J of work are done to compress the gas while, in the same process, 1700 J of heat energy are ...
Monday, April 26, 2010 at 7:50pm by Helly

help on a question
I needed help on a physical science question. When the molecules in a body move with increased speed, it's possible that the body will change from a... A) gas to a liquid B) gas to a solid C) liquid to a solid D) liquid to a gas PLEASE HELP ME!! If the molecules are increasing...
Sunday, July 31, 2005 at 4:48pm by kelly jo

Organic Chesmitry
The purpose of a gas trap in the Diels-Alder reaction set up is to A. Trap oxygen gas B. Trap the diels alder product C. Trap sulfur dioxide gas D. Trap carbon dioxide gas E. Trap nitrogen gas
Friday, March 6, 2009 at 5:17am by nilee

Chemistry
The reaction between bromine gas and fluorine gas to create bromine monofluoride gas has reached equilibrium. What is the effect of adding more bromine gas to the reaction chamber? More fluorine gas will be produced. More bromine gas will be produced. More bromine monofluoride...
Wednesday, April 25, 2012 at 3:30pm by Rose

chemistry
Assuming pressure and temperature remain constant, what happens to the volume of a gas if the number of moles of gas is increased (gas is added)? 1) Remains the same 2) Cannot be determined 3) Increases 4) Decreases
Tuesday, April 8, 2008 at 1:18pm by aaloy

Physics
The temperature of a monatomic ideal gas remains constant during a process in which 4500 J of heat flows out of the gas. How much work (including the proper + or - sign) is done on the gas? J
Saturday, April 19, 2008 at 1:21pm by Pierre

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?
Monday, April 5, 2010 at 1:23pm 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.
Friday, January 21, 2011 at 11:30pm by Jazmin

College Chemistry
HELP ME PLEASE! 1. Calculate the weight of 16.2L of pure SO2 gas at STP. (answer in grams) a.16.2 b.31.8 c.39.5 d.46.3 e.64.1 2.A volume of 725mL of a gas is collected at 105Celsius and 745torr. The gas weighs 1.93 grams. What is the Gas? a.Fe2 b.Ar c.Kr d.Xe e.Rn
Sunday, April 4, 2010 at 3:50pm by Lynn

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