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April 16, 2014

Search: Chemistry (Gas question)

Number of results: 152,062

chemistry
I would think about the answers to 3 and 5. The question doesn't say that the gas is an ideal gas or not so I'm a little confused about some of the implications because of that. I think your answers to questions 1, 2, and 4 are fine. For 3, although the pressure of an ideal ...
Monday, January 25, 2010 at 10:49pm by DrBob222

Chemistry (Gas question)
The mean kinetic energy of the molecules in a sample of H20 gas is 12x10^-19 J, calculate the mean velocity of a molecule and the temperature of the gas. Please help need to know for exam tomorrow.
Friday, January 18, 2013 at 4:01am by Dt

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...
Thursday, June 9, 2011 at 8:22pm 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...
Thursday, June 9, 2011 at 8:48pm by md.

chemistry
A 1.00L sample of a gas has a mass of 1.92g at STP. What is the molar mass of the gas? (This is a question on my chemistry worksheet, and I can't find the answer in my book.)
Tuesday, March 4, 2008 at 7:37pm by emily

Chemistry
Find the pressure of a gas that originally had a volume of 25 L, pressure of 67kPa at a temperature of 100 Kelvin. When the gas was heated to 200 Kelvin, it had a volume of 56L. How many moles would be present if the gas in the above question was an ideal gas?
Monday, February 6, 2012 at 10:25pm by Kiley

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
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

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

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

Chemistry
If the molar volume of an ideal gas is 22.4 L/mol, calculate the theoretical density of hydrogen gas at STP. Not sure what formula to use with this question. Thanks.
Wednesday, April 27, 2011 at 12:45am by Thao

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

Chemistry
I am trying to study for my chem test but I don't get how to answe this question A researcher explores the ideal gas equation. He measures the pressure of a system at different temperatures ( keeping the volume and moles of the gas constant) and creates a plot of P versus T. ...
Thursday, January 31, 2013 at 9:22pm by Please help

chemistry
Question: Consider this molecular-level representation of a gas. There are: 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 0.510 atm, what is the total pressure? I have tried...
Sunday, December 8, 2013 at 10:54am by Claire

chrmistry
Can someone explain me this question: What assumption must we make about the dissolving of a gas in water for the solubility evidence to be valid? what does the question really wants to ask??? I mean is it the observations when the gas dissolves in the liquid or the reason why...
Saturday, May 25, 2013 at 2:16pm by lg

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 is the universal gas constant( the R, in the equation PV=nRT) of this question? What is the pressure in a 10.0-L cylinder filled with 0.470 mol of nitrogen gas at a temperature of 329 K?
Sunday, October 23, 2011 at 7:23pm by samantha(very important)

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 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

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

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

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. 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
4. Use the pressure of the butane gas (your answer from question #3 above), along with the temperature and volume recorded in the lab, to determine the moles of butane gas collected in the lab. You will use the ideal gas law (and the ideal gas constant, R) for this calculation...
Tuesday, February 1, 2011 at 12:55pm by madison

chemistry
I'm stumped again :( the question is - A gas sprayed from an aerosol can effuses 5.06 times slower than oxygen.If the molar mass of oxygen is 32.g/mol, what is the molar mass of the unknown gas? I dont know if I am doing the ideal gas law or grahams law or how to set it up. ...
Monday, January 11, 2010 at 8:29pm by hellogoodbie

chemistry
Gas X has a density of 2.60g/L at STP. Determine the molar mass of this gas. Sorry there was some typos on the previous question. please show me again steps by steps. thank you =] Same answer. You just left the g off the density. One mole of ANY (ideal) gas occupies 22.4 L at ...
Wednesday, March 21, 2007 at 11:42pm by michelle

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
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
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
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
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

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
I don't know how to answer the question because I don't know what the question means. Yes, the kitchen is a possibility because of an open or a leaky gas operated stove; however, many homes use electric stoves. I heat my whole house with natural gas and a leak in that system ...
Wednesday, April 22, 2009 at 12:21pm by DrBob222

Chemistry
gas | | 90K b.p.O2 | | 80K | | 77K b.p.N2 Anything above 90 K is a gas. So at 91K, O2 is a gas; N2 is a gas. At 89K, O2 is a liquid (it boils at 90K) but N2 is a gas(because it boils at 77K). At 88K, O2 still a liquid; N2 still a gas. At 87 K, O2 still a liquid; N2 still a gas...
Sunday, July 10, 2011 at 3:13pm by DrBob222

Chemistry
Really hard Chemistry question that I need help with. Any assistance would be really helpful.? When 0.5963g of a sample containing NaNO2 and some inert material is allowed to react with excess HSO3NH2, the volume of N2 gas produced is measured. The volume of N2 gas corrected ...
Wednesday, May 25, 2011 at 5:18pm by Codec

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
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

AP Chemistry
What volume of natural gas does this correspond to at 25◦C and 0.8 atm? Answer in units of L I could not find the answer to the question above but this question uses the answer to the other question. So can you please help me.
Friday, October 11, 2013 at 6:09pm by Gabriella

chemistry
The question is asking, "What tests can be done as proof that one is H2 gas and the other is CO2 gas.?" H2 is lighter than air and not soluble in water. H2CO3 is not a gas although it decomposes to a gas. H2CO3 ==> H2O + CO2. In addition to H2 being lighter than air, pure ...
Tuesday, January 20, 2009 at 9:58pm by DrBob222

Chemistry
You have two problems. The first is you didn't identify the gas with 265 mm Hg pressure. The second is you didn't ask a question. I will assume the 265 mm Hg gas is just X and I will assume the question is, "What is the pressure of He." Ptotal = PX + PAr + PO2 + PHe. ...
Tuesday, November 9, 2010 at 12:27am 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

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

Chem Home Work Help!
I am a bit confuse with a question from a home work that I need to do by today please help! HW question... 1) A sample of neon gas occupies 8.77 L at 20C. What is the pressure, in atmospheres, exerted by 1.45 mol of this gas? When you've gotten the answer to this question you...
Tuesday, April 29, 2008 at 4:00pm by Sujeil

Chemistry
A mixture of nitrogen gas and hydrogen gas reacts in a closed container to form ammonia gas. The reaction ceases before either reactant is completely consumed. At this stage the container has 3.0 mol each of all three gases; nitrogen, hydrogen and ammonia. How many moles of ...
Saturday, June 29, 2013 at 2:21pm by Blair

Chemistry
Cl2 could not have been rpoduced, the gas you stung your noses on was the ammonium chloride, it sublimes so if you were to conduct this reaction but held a cold beaker above the gas you would notice that it crystallises over the top. Id love to know the answer to the 2nd ...
Friday, August 24, 2007 at 7:38am by Anonymous

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

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

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

Chemistry :) simple question
The above assumes that the acid consists of an aqueous solution. HCl reacts with Na to produce NaCl and Cl2 gas, not hydrogen. In fact, I guess my answer is actually wrong; a gas atom is displaced, but it's not necessarily hydrogen.
Thursday, February 21, 2013 at 10:48am by Steve

Chemistry
I have a question I want to make sure I'm going in the right direction. The question states give a diatomic element which is not a gas could the answer be any of the noble gases
Tuesday, January 31, 2012 at 9:20pm by Tiffany

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
Calculate the pressure and temperature at which 1.00 mole of CO gas will be in the same corresponding state as 1.00 mole of H2 gas at 2.00 bar and 30.0 degrees celsius. How do I approach this question?
Saturday, September 15, 2012 at 11:05pm by Josh

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

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

chemistry
I have problems with this question. Can anybody help me? When dilute nitric acid was added to a solution of one of the following chemicals, a gas was evolved. This gas turned a drop of limewater. Ca(OH)2, cloudy,due to the formation of a white precipitate. The chemical was... ...
Tuesday, September 2, 2008 at 10:36pm by El

chemistry
This is another question on my chemistry worksheet. What is a gas's molecular mass? I guess they want the definition because there are no numbers involved.
Tuesday, March 4, 2008 at 9:57pm by emily

chemistry
3. Another volatile liquid was used in a similar experiment. A student found that 0.32 g of vapor had a volume of 152ml at 100 celsius and 1 atm. What was the molar mass of this gas? 4. The empirical formula of the unknown gas in question 3 is CH4O. What is the molecular ...
Wednesday, May 2, 2012 at 3:27pm by preshi

Chemistry
I forgot in my previous question to say 1014 millibars. The question is I live at 1014 millibars for barometric pressure and temp. is 61 degrees Fahrenheit. I have an imaginary balloon that contains 22 grams of CO2-what is the volume in liters of the balloon using the gas ...
Wednesday, April 21, 2010 at 9:35pm by Robert

chemistry
1)how many molecules of water are needed to produce 6 molecules of C6H12O6 according to the equation 6CO2(G)+6H2O(L)+energy TO C6H12O6(S)+6O2(G)? 2)how many mole of oxygen gas are produce when 6 mol of CO2 are consumed in the process of photosynthesis(see above question for ...
Tuesday, January 18, 2011 at 7:20pm by 000

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

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
a sample of nitrogen gas has a volume of 1.00 l at STP What is the temp in Celsius if the volume is 10.0 L at 2.00 atm * I know to use the combined gas law, and I got the question wrong in my homework assignment, reviewing for a test today please help.
Monday, November 21, 2011 at 1:13pm by James

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

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

chemistry
I'm having a problem with the gas constant. This is it: In the question: Calculate the amount of moles of a gas if .455 occupies a volume of 250mL at 27 degrees Celsius and 772mmHg. I do all the correct steps using the R = 8.314 for the 772mmHg. I get .077 for this, which is ...
Wednesday, August 31, 2011 at 6:51am by terrence

Chemistry
How many moles of Sulfur are in 1 mole of Al2(SO4)3 and If the densitry of a noble gas is 1.783 g/L at STP, that gas is.... My guess: Argon? Then theres a question that says "Which as the greater mole.... and it lists things like: 1 mole Of Ar 1 Mole of O How would you figure ...
Friday, February 15, 2013 at 2:36pm by Bryce

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

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
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

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

Chemistry
Your question makes no sense to me. Vapor pressure is the pressure of a gas in equilibrium with its condensed phase (either liquid or solid) and since CH4 is a gas at 1 atm and 298 K, there is no liquid present to establish equilibrium.
Saturday, June 29, 2013 at 10:19pm by DrBob222

west oktibbeha school
chemistry question help me find the answer to this question How many atoms of chlorine are present in 6 moles of chlorine gas
Tuesday, March 6, 2012 at 11:15pm by Anonymous

chemistry
Under what conditions do you think the gas laws would deviate most from ideal behavior? The opposite of that is the answer to your question. Think along the lines of corrections to the ideal gas law of PV = nRT made by the van der Waals equation.
Tuesday, January 29, 2008 at 5:55pm by DrBob222

physics
Ok, so I know I already posted another really long question but we have not learned this yet and are expected to do homework on it. Please help me. An ideal monotonic gas is compressed at a constant pressure of 0.9 atm from 14 L to 3.5 L. Note: Atmospheric pressure is 1....
Wednesday, April 11, 2012 at 2:04pm by anonymous

chemistry
A sample of natural gas is 85.2% methane, CH4, and 14.8% ethane, C2H6, by mass. What is the density of this gas mixture at 18.0C and 771 mmHg? Assume ideal gas behavior.
Wednesday, October 31, 2012 at 5:36pm by Zoe

chemistry
Assuming the temperature and pressure are held constant, which of the gas samples has the greatest number of gas particles? Answer 45.0 mL O3 35.0 mL N2 15.0 mL of CO2 25.0 mL of SO3 how would i go about answering this question.
Saturday, January 19, 2013 at 1:26am by jakey

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

chemistry
Question: how to solve for a 28.4 L sample of methane gas is heated from 35.0 C to 76.0 C. The initial pressure of the gas is 1.00 atm at 35.0 C. Assuming constant volume, what is the final pressure of the gas? Could someone give me the setup for this? I know I have to ...
Tuesday, November 22, 2011 at 12:27am by sandy

physics
Question Part Points Submissions Used 1 /1 0/2 Total /1 A rigid tank contains 1.40 moles of an ideal gas. Determine the number of moles of gas that must be withdrawn from the tank to lower the pressure of the gas from 21.6 atm to 5.90 atm. Assume the volume of the tank and ...
Wednesday, November 23, 2011 at 11:28pm by Sarah

chemistry
If the gas could took a hemispherical shape, what circular surface area would the gas cover? chemistry
Thursday, May 26, 2011 at 1:21am by John

Chemistry
Write a balanced chemical equation for nitrogen gas reacts with oxygen gas to produce nitrogen dioxide gas
Monday, March 29, 2010 at 8:32pm by Elizabeth

chemistry
Given a sufficient supply of nitrogen gas, how many moles of ammonia gas will be produced from 10.8 moles of hydrogen gas?
Sunday, April 11, 2010 at 1:32pm by jhennel

chemistry
Calculate the molar mass of a gas if 0.805g of this gas has a pressure of 4.00 bars at 305K in a 1 L. What is the gas density at this T and P, and what is the density at STP
Friday, September 11, 2009 at 2:07pm by john

chemistry
A gas has a density of 5.56 g/L. a. What volume in milliliters would 4.17 g of this gas occupy? b. What would be the mass in kilograms of 1 m3 of this gas?
Wednesday, September 11, 2013 at 7:19pm by elizabeth

chemistry
A gas has a density of 5.56 g/L. a. What volume in milliliters would 4.17 g of this gas occupy? b. What would be the mass in kilograms of 1 m3 of this gas?
Wednesday, September 11, 2013 at 7:20pm by elizabeth

chemistry
A gas has a density of 5.56 g/L. a. What volume in milliliters would 4.17 g of this gas occupy? b. What would be the mass in kilograms of 1 m3 of this gas?
Wednesday, September 11, 2013 at 7:21pm by elizabeth

Chemistry
1.05 g of an unknown gas at 47 C and 1.05 atm is stored in a 2.25-L flask. Density of the gas= 0.47g/L What is the molar mass of the gas?
Monday, October 22, 2012 at 10:49pm by Vid

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