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July 29, 2014

Search: Chemistry (Gas question)

Number of results: 66,544

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 ...
January 12, 2007 by Darius Graham

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

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

chemistry
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...
December 8, 2013 by Claire

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.
January 18, 2013 by Dt

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.)
March 4, 2008 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?
February 6, 2012 by Kiley

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...
July 31, 2005 by kelly jo

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.
April 27, 2011 by Thao

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?
October 23, 2011 by samantha(very important)

Chemistry
Please let me know how I'm doing with the following chemistry problems. I appreciate your imput. Here's problem 1: A sample of Helium gas occupies a volume of 29.4mL AT 18deg.celcius. (a)Would the volume of this gas sample be doubled at 36deg.celcius? (b)At what temperature(...
November 24, 2010 by Cliff

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. ...
January 31, 2013 by Please help

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.
January 19, 2013 by jakey

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...
May 25, 2013 by lg

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
December 1, 2010 by Kiesha

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?
September 15, 2012 by Josh

Chemistry
I have an exam in a day and I'm confused on how to solve this question. Do I use PV=nRT? Do I find out the molecular formula of the gas from the percentage of nitrogen and oxygen? A sample of a mixture of gases contains 80.0% nitrogen gas and 20.0% oxygen gas by volume. ...
June 22, 2014 by Jenny

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 ...
May 25, 2011 by Codec

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
September 6, 2012 by katy

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 ...
March 21, 2007 by michelle

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. ...
January 11, 2010 by hellogoodbie

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...
February 1, 2011 by madison

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 ...
November 22, 2011 by sandy

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.)
March 31, 2014 by Anonymous

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...
April 29, 2008 by Sujeil

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
December 1, 2013 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
December 1, 2013 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...
January 20, 2011 by Hunter

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
January 31, 2012 by Tiffany

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 ...
December 12, 2010 by Jarrid

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.
November 21, 2011 by James

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

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
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.
March 4, 2008 by emily

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 ...
April 21, 2010 by Robert

Chemistry
Okay, so I got question 1 but I don't know how to solve question 2. Since they are tied in, I'll post both of them. 1. When 0.43g of NaNO2 is allowed to react with an excess of HSO3NH2, the volume of N2 gas produced is 0.145 L. After the reaction is completed, the temperature ...
November 15, 2010 by yipez

Chemistry
A sealed flask containing water and N2 gas in equilibrium is at a temperature of 25C. If the concentration of N2 gas in the solution is 1.4 x 10-3 M, what is the partial pressure of N2 gas in the container? (kH for N2 gas in water is 6.1 x 10-4 M/atm at 25C.)
November 7, 2011 by Sarah

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.
November 20, 2011 by NONO

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?
January 15, 2008 by Lauren

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... ...
September 2, 2008 by El

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
March 6, 2012 by Anonymous

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 ...
May 2, 2012 by preshi

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
April 4, 2010 by Lynn

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 ...
August 31, 2011 by terrence

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 ...
June 29, 2013 by Blair

Chemistry
The question I am having trouble with is: Scientists originally were uncertain whether the oxygen gas produced during photosynthesis came from CO2, H2O, or from both. How could radioisotope tracers be used to settle that question?
April 14, 2013 by Madison

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 ...
January 18, 2011 by 000

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.
September 6, 2012 by katy

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 ...
February 15, 2013 by Bryce

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...
September 6, 2010 by samuel

Ap chem question 2 related to the first question
Calculate the volume of gas you would expect to be evolved in X mol of magnesium were reacted with an excess of HCl at standard conditions. I'm going to tell you what my father told me...LOOK IT UP thanks for the unnecessary comment! Mg + 2HCl ==> MgCl2 + H2 1 mol Mg will ...
October 22, 2006 by Justyna

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
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?
October 22, 2012 by Vid

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

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?
November 10, 2011 by Harley

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

chemistry
this is a question about how to write the reaction for mixing solid KOH with aqueous HCl...when i physically mixed the two there was gas formation (bubbles and heat were given off) but when i write the equation out i don't get where the gas is. the equation i got is: KOH(s) + ...
September 14, 2007 by annonymous

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.
August 18, 2010 by christine

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

chemistry
calculate and compare the average gas phase translational energies and rms speeds of HE gas and H2 gas at 20 degrees celsius
January 23, 2011 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 ?
February 17, 2011 by Cat

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
March 25, 2013 by kate

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...
October 16, 2010 by J Velji

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 ?
October 5, 2009 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.
May 1, 2010 by Tiffany

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.
April 14, 2011 by Mary

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 ...
April 30, 2012 by Sarah

CHEMISTRY
1.Chemistry Question: A 0.1 M solution of acetic acid is titrated with 0.05M solution of NaOH. What is the pH when 60% of the acid has been neutralized? The equilibrium constant (Ka) for acetic acid is 1.8x10^-5 2. Chemistry question: On average, how far is a molecule of air ...
August 21, 2010 by Gerald

Chemistry
A sample of an ideal gas in a closed container (3.00 L) at 25.0 degrees C is heated to 300 degrees C. What is the pressure of the gas at this temperature? Do I use P1/T1=P2/T2? I was told to use that, but I don't know what pressure is. Sorry, I posted this earlier, but my ...
April 29, 2009 by Anonymous

Chemistry
The electrolysis (decomposition) of water produces hydrogen gas at the rate of 30.0 mL/min. A) Write a balanced chemical equation for this reaction and include phase designations. 2H2O(aq)---> 4H2(g)O2(g) Is whatever I've done above correct? B) What volume of hydrogen gas ...
October 11, 2010 by Anonymous

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)
June 16, 2010 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)?
June 23, 2010 by Anonymous

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

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
April 3, 2012 by me

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....
April 11, 2012 by anonymous

Chemistry--DrBob222
Estimate the number of moles of gas (and mass of gas assuming that it is all N2) inside your family car (or a friends if you don't have one). If the amount of gas was compressed at constant temperature to fit inside a coke can what ould the pressure inside the coke can be? I ...
May 27, 2013 by Timofey

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?
April 16, 2009 by Anonymous

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
October 6, 2010 by Missy

chemistry grade 12
Q. When 300ml of TiCl4(gas), at 48 degrees celcius and a pressure of 105.4kPa, is reacted with 0.4320 g of magnesium, 0.4016 g of titanium is produced. TiCl4(gas) + 2Mg(solid) --> Ti(solid) + 2MgCl2(solid) Calculate the percentage yield for this reaction - The answer for ...
February 4, 2009 by kite

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 ...
November 23, 2011 by Sarah

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

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.
October 31, 2012 by Zoe

chemistry grade 12 science
Q. When 300ml of TiCl4(gas), at 48 degrees celcius and a pressure of 105.4kPa, is reacted with 0.4320 g of magnesium, 0.4016 g of titanium is produced. TiCl4(gas) + 2Mg(solid) --> Ti(solid) + 2MgCl2(solid) Calculate the percentage yield for this reaction - The answer for ...
February 4, 2009 by kite

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 ...
May 21, 2011 by me

chemistry
Dr.Bob222: I attempted to solve the problem numerous times but keep ending up with the wrong answer. If you would be kind enough to show me the steps I would appreciate it. I'll pose the question once more: The volume of a gas at 24C and 0.21 atm is 36 mL. What volume will ...
February 15, 2012 by Daddy

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?
February 12, 2013 by harry

Chemistry
Check my answer please? A reaction requires 22.4 L of gas at STP. You have 45.0 L of gas at 100 kPa and 373 K. Which of the following statements is true? The gas constant is 8.31 L-kPa/mol-K. You will have an excess of gas and the reaction will occur. <--------- You will ...
June 3, 2014 by Anon

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?
October 14, 2012 by Anonymous

chemistry
got another question for DrBob please? The composition of hydrogen selenide can be determined by heating tin (Sn) in a measured volume of gas. The hydrogen selenide is decomposed, producing solid tin selenide (SnSe) and hydrogen gas. If the temperature and pressure are ...
February 3, 2007 by bertie

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
April 8, 2008 by aaloy

Chemistry
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 to 298.15K and 100kPa is calculated to be 0.146L. Find the mass percent of NaNO2 in the sample ...
May 25, 2011 by SadFace

Chemistry
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 to 298.15K and 100kPa is calculated to be 0.146L. Find the mass percent of NaNO2 in the sample ...
May 25, 2011 by Derek

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 ...
November 19, 2011 by Victor

chemistry
If the gas could took a hemispherical shape, what circular surface area would the gas cover? chemistry
May 26, 2011 by John

chemistry
In the reaction N2 + 3H2 -> 2NH3, how many grams of NH3 gas would be formed when H2 gas, having a volume of 11.2 liters at STP, reacts with excess N2 gas? Completly confused, thank you very much for your help :)
April 6, 2011 by David

chemistry
the total pressure of a mixture of a gas was measured at 0.75 atm. The total moles of the gas were also measured at 7.50. The mixture was analyzed and found to contain three gasses. The moles of gas 1 and gas 3 were found to be 2.43 and 2.17, respectively. What is the mole ...
April 24, 2014 by ciera

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?
November 11, 2010 by tarkan

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?
July 10, 2011 by Elizabeth

Chemistry
Hydrogen gas, , reacts with nitrogen gas, , to form ammonia gas, , according to the equation 3H2+N2-2NH3 How many grams of are needed to produce 13.75g of NH3 ? How many molecules (not moles) of are produced from 8.2610−4g of H2 ?
October 5, 2009 by Rose

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