Saturday
April 19, 2014

Search: Calculate the pressure (in atm) of H2O(g) at equilibrium in the reaction vessel

Number of results: 41,970

Chemistry
Initially: H2S = 0.28 H2(g) = 0 S(g) = 0 At equilibrium: H2S = 0.28 - x H2(g) = x S(g) = x Kp = Products/Reactants = ([x][x])/(0.28-x) x^2 +0.813x-0.22764 = 0 x =(-b plus or minus sqrt(b^2 -4ac))/2a x = 0.220303199 or approximately 0.220 What is the total pressure in the ...
Saturday, April 5, 2014 at 5:48pm by Karan

physical science
A Weather balloon carries instruments that measure temperature, pressure, and humidity as it rises through the atmosphere. Suppose such a balloon has a volume of 1.2 m3 at sea level where the pressure is 1 atm and the temperature is 20oC. When the balloon is at an altitude of ...
Thursday, October 4, 2012 at 8:44pm by maria

College Chem NEED HELP
Calculate the moles of N(2) in a 3.50 litercontainer at 1.15 atm pressure and 28 degrees C. What is the Density of the gas? What is the new pressure if the temperature is raised to 75 degrees C? What is the new density of the gas?
Monday, January 31, 2011 at 2:20pm by Nicole

CHEMISTRY
Ptotal = pH2 + pH2O Ptotal = 754 mm pH2O = look up the vapor pressure of H2O at 21 C. One web site shows that as 18.7 mm So 754-18.7 = pH2 which is pressure of the DRY hydrogen gas. Then convert that to atm.
Thursday, April 18, 2013 at 6:39am by DrBob222

chem
am i using the 1 atm for pressure or teh 1.950 atm for the first part?
Saturday, November 17, 2007 at 10:00pm by mel

Chemistry
2 NO(g) + O2 (g) <==> 2 NO2 (g) Given that Kp=7.961012 for the reaction above and the following starting conditions: Initial Concentrations p(NO)=0.775 atm p(NO2)=0.000 atm p(O2)=0.789 atm Determine the equilibrium concentration of NO2.
Friday, March 7, 2014 at 10:59pm by Haley

Chem 2
Imagine that a deposit of helium gas has been discovered in Antarctica. It is being shipped to Australia in a rigid (constant volume) tank with a rated max pressure of 100 atm. If the tanks are filled to a pressure of 75 atm in Antarctica on a day when the temp is -100F, will ...
Tuesday, February 23, 2010 at 3:25pm by Staci

Science
At 25C, Kp = 2.910−3 for the following reaction. NH4OCONH2(s) 2 NH3(g) + CO2(g) In an experiment carried out at 25C, a certain amount of NH4OCONH2 is placed in an evacuated rigid container and allowed to come to equilibrium. Calculate the total pressure in the ...
Wednesday, February 13, 2013 at 11:02pm by Margaret

chemistry
equilibrium pressure at 731 K for the reaction H2+I2-2HI initially the mixture contains 0.08592 each of H2 and I2 and 1.0atm.what is the pressure of HI at equilibrium?
Tuesday, July 10, 2012 at 2:19pm by christine

Chemistry-Conversions
Can you please show me how to set up these conversions (how to do each of these conversions) Question- The pressure of gas is measured ay 550 mm Hg. Calculate the pressure in: a. Torr b. lb/in2 c. atm d. in Hg Can someone other than DrBOB answer this please!
Thursday, May 3, 2012 at 11:27am by KL

Chemistry-Conversions
Can you please show me how to set up these conversions (how to do each of these conversions) Question- The pressure of gas is measured ay 550 mm Hg. Calculate the pressure in: a. Torr b. lb/in2 c. atm d. in Hg Can someone other than DrBOB answer this please!
Thursday, May 3, 2012 at 11:27am by KL

Chemistry
plz answer mine The system N2O4 <--->2NO2 maintained in a closed vessel at 60 C & a pressure of 5 atm has an average (i.e. observed) molecular weight of 69, calculate Kp. At what pressure at the same temperature would the observed molecular weight be (230/3)
Sunday, May 12, 2013 at 11:29am by kriti

maths &chemistry
Nitrogen tetraoxide is known to dissociate accoding to the equation;N2O4(g)_2NO2(g).A250mlsample of the gas mixture weighs 0.257bar.Calculate the partial pressure of each gas.(Hint:obtain the pressure it had before dissociation ,and then use the idea of equilibrium constant to...
Tuesday, November 30, 2010 at 3:01am by SAIDI

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

AP CHEM! PLEASE HELP
partial pressure = k*c with c in moles/L. You don't provide a k and I don't know it by memory; however, look up k (k is available in many different units--for this formula you want k in units of atm*L/mol which is the same as atm/M). To obtain partial pressure of the Rn it is ...
Monday, December 12, 2011 at 11:18pm by DrBob222

Chemistry
A 225 g sample of xenon is placed in a 15.6 L stainless steel vessel at 27.0C. a. What is the pressure in the vessel? b. If the temperature is raised to 200C, what is the pressure in the vessel? c. The air pressure outside the vessel is 1.00 atm. If the vessel is opened to ...
Thursday, May 19, 2011 at 12:33am by Shell

Chemistry
A balloon filled with 0.01 mol of hydrogen gas is kept constant at 25 degrees Celsius. If the pressure is increased from 1atm to 1.5atm, what is the resulting volume? _______________________________________ C3H8(g) + 5 O2(g)-->3 CO2(g) + 4 H2O(g) A 0.03 mol sample of C3H8 ...
Thursday, December 21, 2006 at 5:27pm by Muffin

Chemistry
At 25C, K = 0.090 for the following reaction:H2O(g) + Cl2O(g) 2 HOCl(g) Calculate the concentrations of all species at equilibrium for each of the following cases. (a) 1.2 g H2O and 1.6 g Cl2O are mixed in a 1.4 L flask. (b) 1.2 mol pure HOCl is placed in a 1.9 L flask
Sunday, February 15, 2009 at 11:14pm by Lindsey

chemistry
At 25C, Kp = 2.910−3 for the following reaction. NH4OCONH2(s) 2 NH3(g) + CO2(g) In an experiment carried out at 25C, a certain amount of NH4OCONH2 is placed in an evacuated rigid container and allowed to come to equilibrium. Calculate the total pressure in the ...
Monday, February 18, 2013 at 11:19pm by Ashley Jimenez

Chemistry 105
Consider the following chemical reaction. 2H2O(l) -->2H2(g)+O2(g) What mass of H2O is required to form 1.6 L of O2 at a temperature of 330 K and a pressure of 0.954 atm?
Sunday, October 23, 2011 at 5:48pm by JULIE

ap chem repost
a 2L container is charged with 2atm of O2 at 298 Kelvin. Ch4(g) + 2O2(g) --> CO2(g) + 2H20(g) calculate the partial pressure of methane needed to react completely with the O2 in the vessel. What is the total pressure after the reaction is complete if the temperature ...
Sunday, April 12, 2009 at 5:24pm by sarah

chem
Hydrogen iodide can decompose into hydrogen and iodine gases. 2HI(g) mc026-1.jpg H2(g) + I2(g) K for the reaction is 0.016. If 0.148 atm of HI(g) is sealed in a flask, what is the pressure of each gas when equilibrium is established?
Wednesday, March 5, 2014 at 12:46am by jason

Chemistry
Two Flasks containing the same inert gas are at the same temperature and pressure of 800 mmHg. One flask has volume of 1.0 L and the other, a volume of 2.0 L. Enough volatile liquid is injected into each of the flasks to allow phase equilibrium to be established. No leakage ...
Wednesday, January 31, 2007 at 6:16pm by Jason

chem
If I initially have a gas at a pressure of 13.5 atm, a volume of 2300 mL, and a temperature of 200 K, and then I raise the pressure to 14 atm and increase the temperature to 300 K, what is the new volume of the gas? Report the answer in correct number of significant figures ...
Sunday, June 23, 2013 at 8:50pm by hw

Chem
I see now. 6.67 atm He partial pressure rounds to 7 atm for 1 significant figure.
Monday, November 29, 2010 at 1:29pm by DrBob222

Chemistry
Calculate how many milliliters of carbon dioxide would be produced theoretically from 2.0g of sucrose at 25 deg Cel and 1 atm pressure.
Tuesday, March 16, 2010 at 7:35pm by Destiny

Gen chem 2
calculate the work performed if a balloon contracts from11.75 L to 806 mL due to an external pressure of 3.9 atm.
Wednesday, November 6, 2013 at 7:43pm by Stacey

Chemistry 101
A Balloon with a volume of 2.00 L is at a pressure of 1.5 atm and a temperature of 20C. If the balloon is put into a container and the pressure is increased to 2.0 atm and the temperature is raised to 25C, what is the new volume of the balloon?
Sunday, July 11, 2010 at 9:06pm by mike

Chemistry
The first thing you did wrong is that you didn't correct for the vapor pressure of water at 23 C. Therefore, the n you calculated is n for moles CO2 + moles H2O whatever that means (it means the gas is wet and not dry). To correct, look up the vapor pressure of water at 23 C (...
Saturday, April 23, 2011 at 2:11pm by DrBob222

chemistry
At 2200C, K = 0.050 for the following reaction. N2(g) + O2(g) 2 NO(g) What is the partial pressure of NO in equilibrium with N2 and O2 that were placed in a flask at initial pressures of 0.76 and 0.27 atm, respectively?
Friday, November 13, 2009 at 11:32pm by Meghan

Chemistry
8. The usual partial pressure of oxygen that people get at sea level is 0.20 Atm., that is, a fifth of the usual sea level air pressure. People used to 1 Atm. air pressure begin to become "light-headed" at about 0.10 Atm oxygen. As a rule of thumb, the air pressure decreases ...
Monday, July 30, 2012 at 1:21pm by Reid

physics
a weather balloon carries instruments that measure temperature,pressure and humidity as it rises through the atmosphere.Suppose such a balloon has a volume of 1.2 m^3 at sea level where the pressure is 1 atm and the temperature is 20 degree Celsius.When the balloon is at an ...
Tuesday, November 1, 2011 at 5:03pm by jennaq

Chemistry
How do I solve this? The usual partial pressure of oxygen that people get at sea level is .20 atm, that is, a fifth of the usual sea level air pressure. People used to 1 atm air pressure begin to become light headed at about .10 atm oxygen. As a rule of thumb, the air pressure...
Wednesday, March 31, 2010 at 12:51am by Avalon

Chemistry
How do I solve this? The usual partial pressure of oxygen that people get at sea level is .20 atm, that is, a fifth of the usual sea level air pressure. People used to 1 atm air pressure begin to become light headed at about .10 atm oxygen. As a rule of thumb, the air pressure...
Wednesday, March 31, 2010 at 1:03am by Avalon

Chemistry
How do I solve this? The usual partial pressure of oxygen that people get at sea level is .20 atm, that is, a fifth of the usual sea level air pressure. People used to 1 atm air pressure begin to become light headed at about .10 atm oxygen. As a rule of thumb, the air ...
Wednesday, March 31, 2010 at 2:58pm by Avalon

chemistry
A plastic cylinder full of acetylene (C2H2) has a rigid volume of 2.92 L and a pressure of 1.80 atm at 20 C. The cylinder can only withstand a pressure of 5 atm. Left inside a hot car where the temperature can reach 50 C, is there danger of the cylinder rupturing? If so, at ...
Wednesday, June 20, 2012 at 4:47pm by Anonymous

CHEMISTRY
reaction rates each way are equal, by definition of equilibrium. pressure will be greater at equilibrium, as (balanced equation) there were 3 moles on left, 5 moles on right, so to whatever degree it goes to the right, it makes more particles, and increases pressure.
Friday, August 5, 2011 at 2:52pm by bobpursley

chemistry
1.If its molar solubility is designated by x, then which of the following expressions best represents the solubility product for the substance Ag2SO4? a) x2 b) 27x4 c) 4x3 d) 108x5 e) 3x4 2. Consider the equilibrium, 4HCl(g) + O2(g) 2H2O(g) + 2Cl2(g). The equilibrium law ...
Wednesday, August 3, 2011 at 5:45pm by tt

chemistry
calculate the equilibrium vapor pressure of napthalene of c10h8 innthe flask at 35 degrees celsius?
Saturday, June 22, 2013 at 1:46am by Anonymous

chemistry
A gas bubble with a volume of 1.0 mL originates at teh bottom of a lake where teh pressure is 3.00 atm. Calculate its volume when the bubble reaches the surface of the lake where the pressure is 695 torr , assuming that the temp doesn't change. I got 0.003 L, is that correct
Sunday, January 3, 2010 at 5:08am by Anonymous

chemistry
how will the potentail of the hydrogen/oxygen fuel cell change if the pressure of the gasses was increased from 1 atm to 3 atm
Tuesday, March 23, 2010 at 6:36am by sumaiya

CHEMISTRY...........
1. If 29.0 L of methane, CH4, undergoes complete combustion at 0.961 atm and 140C, how many liters of each product would be present at the same temperature and pressure? My answer: (0.961 atm)(29.0 L) (413k) all divided by (413)(0.961 atm)=29.0 L CO2 29.0 L CO2 x 2LH2O/1LCO2=...
Friday, October 11, 2013 at 10:58pm by Anonymous

AP CHEMISTRY
Consider the reaction. PbCO3(s)<--> PbO(s) + CO2(g). calculate the equilibrium pressure of CO2 in the system at the following temperatures.(IN atm) (a) 270C (b) 480C ..... delta Hf(KJ/mol).. d.Gf(KJ/mol).. S(J/mol-K) PbCO3(s)..-699.1 .. -625.5 .. 131.0 PbO(s) .. -217.3...
Tuesday, March 20, 2012 at 4:06pm by DAN

Chemistry
1 mol of an ideal gas expands under isothermal conditions (T=298.15K). The initial pressure and volume is 2.00 atm and 1.00L respectively, and the final pressure is 1.00 atm. Find the expansion work. The answer is w = -101.325 J. I am unsure how to get this answer. Can someone...
Sunday, November 16, 2008 at 8:29am by Derek

Chemistry
calculate q , w , and ∆ E for melting 1.00 mol of ice at 0 ◦ C and 1.00 atm pressure
Sunday, September 22, 2013 at 2:41pm by C

chemistry
I didn't find 10 g H2O; something more like 23 or so. Post your work and someone will find the error. I'm sure you determined the limiting reagent. For part 2, using the limiting reagent and the moles of each material formed, use PV = nRT to calculate partial pressure. For the...
Saturday, November 20, 2010 at 1:34pm by DrBob222

Chemistry
In an experiment, 238 mL of 0.45 molar hydrochloric acid completely reacts with excess iron to produce hydrogen gas and iron (III) chloride. What volume will the hydrogen gas occupy if it is collected over water at 35 degrees Celsius and 735 torr? The vapor pressure of water ...
Wednesday, January 19, 2011 at 10:33pm by Tichele

chemistry
Before a trip from New York to Boston, the pressure in an automobile tire is 2.5 atm at 272 K. At the end of the trip, the pressure gauge reads 1.94 atm. What is the new Celsius temperature of the air inside the tire? (Assume tires with constant volume.) Answer in units of ...
Thursday, March 8, 2012 at 8:56pm by please help

Chemistry URGENT/DR BOB
Dalton's Law of Partial Pressure consider the following container of helium at 45C. intially the valve is closed. After the valve is opened what is the pressure of the helium gas. your start points are 2.00 atm and 9.00L. after opening the valve you have 3.00 atm and 3.00L. ...
Tuesday, April 1, 2014 at 9:43pm by linda

Last Chemistry Question!
You don't unless it's moles of a solvent. You could have 5 moles water and calculate the volume that would occupy if you knew the density. 5 mols H2O x (18 gH2O/1 mol H2O) = grams H2O, then mass H2O = volume H2O x density H2O
Sunday, February 19, 2012 at 11:21pm by DrBob222

Chemistry - 1st Yr College Level
The corrosion of iron can be thought of as an electrochemical cell reaction. Calculate the voltage difference between two points of corroding iron differing only in their partial pressures of oxygen: 0.20 atm of oxygen at one point and 0.0010 atm of oxygen at the other. The ...
Tuesday, December 11, 2007 at 10:31pm by Anne

Chemistry
Urea (NH2CONH2), an important nitrogen fertilizer, is produced industrially by the reaction 2NH3(g)+ CO2(g)--> NH2CONH2(aq)+ H2O(l). Given that delta G = -13.6 kj/mol, calculate delta G at 25 degree C.for the following condition. 40 atm NH3 , 40 atm CO2 , 2.0 M NH2CONH2 I ...
Friday, February 26, 2010 at 6:37pm by Anonymous

chemistry
1.44 liters of gas at 0.935 atm are compressed to 0.275 l. Find the new pressure in atm.
Tuesday, March 29, 2011 at 10:25am by mary ann

oops---chemistry
Watch for the typo. I typed in 1 atm for pressure but the problem states 4.246 atm Sorry 'bout that.
Friday, October 25, 2013 at 9:13pm by DrBob222

chmistrye
Using the data in this table of the thermodynamic quantities for selected substances and given the pressures listed, calculate G at 25C for each of the following reactions (a) N2(g) + 3 H2(g) 2 NH3(g) PN2 = 2.0 atm, PH2 = 5.4 atm, PNH3 = 2.2 atm how do i calculatethis ?
Sunday, April 7, 2013 at 7:19pm by sarah

physics
A rigid container holds hydrogen gas at a pressure of 3.0 atm and a temperature of 20 degrees Celsius. What will the pressure be if the temperature is lowered to -33 degrees Celsius? Please give your final answer in atm. Answer
Friday, March 8, 2013 at 4:14pm by deena

thermodynamics
P1 * V1 = P2 * V2 Where P1 and V1 are the initial pressure and volume, P2 and V2 are the final pressure and volume. 1 atm * 100 ft^3 = P2 * 1 ft ^3 P2 = 100 atm; use your book or the internet to find a conversion factor from atm to psi
Wednesday, October 3, 2012 at 6:08am by Jennifer

Chemistry Confusion!
1 mol of an ideal gas expands under isothermal conditions (T=298.15K). The initial pressure and volume is 2.00 atm and 1.00L respectively, and the final pressure is 1.00 atm. Find the expansion work. The answer is w= -101.325J. I am unsure how to get this answer. Can ...
Saturday, November 15, 2008 at 11:05pm by Derek

Urgent Chemistry!!
1 mol of an ideal gas expands under isothermal conditions (T=298.15K). The initial pressure and volume is 2.00 atm and 1.00L respectively, and the final pressure is 1.00 atm. Find the expansion work. The answer is w = -101.325 J. I am unsure how to get this answer. Can someone...
Sunday, November 16, 2008 at 9:32am by Derek

Chemistry 101
Those look ok to me. On 1, remember that Dalton's Law of Partial Pressure says that the total pressure is the sum of all of the partial pressures; therefore, 3.2 + 1.2 + 0.56 = 4.96 atm. Then significant figures comes into play. When adding, the answer may contain only to the ...
Tuesday, November 24, 2009 at 10:04pm by DrBob222

Org. Chem.
A natural product (MW=150) distills with steam at a boiling temperature of 99 degrees Celsius at atmospheric pressure. The vapor pressure of water at 99 degrees Celsius is 733 mm Hg. A) Calculate the weight of the natural product that codistills with each gram of water at 99 ...
Tuesday, November 10, 2009 at 12:50am by CMM

Chemistry
The bar goes in for partial pressure of H2 gas so if we have H2 ==> 2H^+ + 2e then E = Eo - (0.059/2)*log [(H^+)^2/pH2] I'm unclear if the bar has become the standard of if your prof is using 1 atm for the standard. The difference a. if bar is standard, you simply ...
Monday, March 29, 2010 at 9:10pm by DrBob222

chemistry
What happens to the concentration of NO(g) when the total pressure on the equilibrium reaction 3NO2(g) + H2O <---> 2HNO3(aq) + NO(g) is increased (by compression)? 1. increases 2. remains the same 3. decreases 4. Unable to determine
Tuesday, April 3, 2012 at 5:24pm by luke

Chem
Use the table to calculate an approximate enthalpy or heat of reaction for the combustion of one mole of methane gas (CH4) to form gaseous H2O and CO2. What Volume (in L) of methane is needed to produce 3329 kJ of heat for methane gas at 36 oC and 9.15 atm pressure? I got 20.7...
Friday, November 16, 2012 at 7:32pm by Anonymous

Chem
Use the table to calculate an approximate enthalpy or heat of reaction for the combustion of one mole of methane gas (CH4) to form gaseous H2O and CO2. What Volume (in L) of methane is needed to produce 3329 kJ of heat for methane gas at 36 oC and 9.15 atm pressure? I got 20.7...
Friday, November 16, 2012 at 8:24pm by Anonymous

Chemistry
Consider the following equilibrium: NH4Cl(s)--->NH3(g) + HCl(g) Suppose a vessel containing NH4Cl(s), NH3(g) and HCl(g) is at equilibrium. If the volume of vessel is instantaneously doubled while keeping the temp constant when a new equilibrium is reacted, which of the ...
Sunday, February 10, 2013 at 4:32pm by Lisa

college chemistry
What does Kh stand for? The clue is in the question - hydrolysis. before you start to answer this type of question it is useful to look at any quilibrium constant that is given. In this case Kh is small and so the equilibrium lies on the reactant side. We are calculating the ...
Friday, November 5, 2010 at 4:10am by Dr Russ

chemistry
Try this. If the system were allowed to come to equilibrium (without the added H2S), the partial pressure of each gas would be sqrt(Kp) = about 0.35 atm. Since the added 0.300 g H2S has a pressure of 0.04315 atm initially, we note that is smaller than the H2S would have been ...
Sunday, March 11, 2012 at 8:06pm by DrBob222

Physics
Assume the whole door is at 11.4 m pressure = rho g h + 1 atm rho = 10^3 kg/m^3 pressure = 10^3 (9.8)*11.4 + 1 atm = 112*10^3 + 101*10^3 213*10^3 N/m^2 213*10^3 * .56 = 119*10^3 N NOTE: You still actually have at least one atm on the inside of the door that you brought down ...
Monday, November 22, 2010 at 4:28pm by Damon

Physics
I will assume that the 65 psi is the absolute pressure (psia), although most pressure gauges that read that high would be reading gauge pressure. 65 psia is 4.42 atm PV/nT = R = 0.08205 atm-liter/(mole*K) T = PV/(nR) = 4.42*16/(7.7*.08205) = 112 K The average kinetic energy ...
Thursday, November 19, 2009 at 9:34pm by drwls

Chemistry
We don't have table 5.2. Water at 20C has a vapor pressure of 17.4 mm Hg. R.H. = vapor pressure/17.4 so you can use that to calculate pressure and use PV = nRT to determine the moles H2O. I assume table 5.2 will give you the vapor pressure of water at 0C. Use that pressure and...
Wednesday, January 26, 2011 at 11:16pm by DrBob222

chem
A gas has pressure of 4.62 atm when its volume is 2.33 L if the temperature remains constant, what will the pressure be when the volume is changed to 1.03 L? express the final pressure in torrs
Monday, April 28, 2008 at 7:29pm by jerson

chemistry
what is the total pressure of a gas mixture that contains hydrogen at 0.45atm nitrogen at 0.25 atm and argon at 0.60 atm
Monday, September 29, 2008 at 12:32am by andrew

chemistry
What is the total pressure of a gas mixture that contains hydrogen at 0.45 atm, nitrogen at 0.25 atm, and argon at 0.60atm
Friday, September 25, 2009 at 2:45am by irma

chemistry
What is the total pressure of a gas mixture that contains hydrogen at 0.45 atm, nitrogen at 0.25 atm, and argon at 0.60atm
Friday, September 25, 2009 at 2:46am by irma

Chemistry
R is a constant = 0.08206 L*atm and give pressure in atmospheres. You can change to torr or mm Hg by multiplying atm x 760.
Monday, April 5, 2010 at 9:23pm by DrBob222

Chem
What pressure (atm) is needed to confine an ideal gas to 68.0 L after it has expanded from 44.0 L and 2.3 atm at constant temperature?
Thursday, November 1, 2012 at 9:49pm by Lena

chemistry
The gases in a mixture have the following partial pressures at the same volume and temperature: 1,013,000 Pa nitrogen, 700. mmHg argon, 1.20 atm of helium, 790. torr oxygen, and 0.50 atm of carbon dioxide. What is the total pressure of the mixture in atm?
Friday, April 2, 2010 at 10:27pm by fabiola

Chemistry!!!
Calculate the density of a certain gas if its pressure is 0.725 atm, its molar mass is 48.22 g/mol, and the temperature of the has is 24.0 degrees Celsius
Tuesday, May 3, 2011 at 2:18pm by Amanda

General Chemistry II
The equillibrium constant (Kp) for the interconversion of PCl5 and PCl3 is 0.0121: PCl5(g) --> PCl3(g) + Cl2(g) A vessel is charged with PCl5, giving a initial pressure of 0.123 atm. At equillibrium, the partial pressure of PCl3 is _____ atm.
Saturday, January 28, 2012 at 9:42am by Rosi

IPC
synthetic diamonds can be manufactured at pressures of 60000 atm. if we took 2.00 liters of gas at 1.00 atm and compressed it to a pressure of 60000 atm, what would the volume of that gas be?
Tuesday, December 3, 2013 at 8:38pm by Elizabeth

Chemistry
Consider the reaction A+B->C+3D. A solution was prepared by mixing 50 ml of .001 M of A, 100 ml of .002 M of B, 10 ml of 1 M of C, and 75 ml of .0015 M of D. At equilibrium, the concentration of D was measured and found to be .0006 M. Calculate the equilibrium ...
Sunday, January 26, 2014 at 3:10pm by Anonymous

Chem
The total pressure in a vessel containing hydrogen collected over water at 25.0C was 0.8 atm. The vapor pressure of water at that temperature is 23.8. what was he pressure of the oxygen in torr?
Friday, February 22, 2013 at 11:37pm by Lupe

Chemistry
A gas has a pressure of 4.62 atm when its volume is 2.33 L. If the temperature remains constant, what will the pressure be when the volume is changed to 1.03 L? Express the final pressure in mm Hg.
Monday, April 7, 2014 at 6:31pm by Suzanne

Chemistry
I had to calculate delta G which came out to be 10.30 then i had to solve for Kp so I used the equation DeltaG=-RT(ln Kp) then I got .01565, now im trying to calculate the equilibrium pressure of O2 and that has me stumped.
Friday, July 12, 2013 at 1:03pm by Catherine

Chemistry 152
For which of the following processes would the entropy change be positive? Choose one answer. a. Hg(l)(45C)----- Hg(l)(25C) b. H2O(l----H2O(s) c. He (g) (1 atm)------- He(g)(10 atm) d. I2(s)------I2(aq) e. Ag+ (aq) +Br-(aq)------AgBr(s) I figure that it wasnt A or B but the ...
Saturday, July 3, 2010 at 10:55am by Car

Physics
Initially 1.200 mol of an ideal gas in a container occupies a volume of 3.50 l at a pressure of 3.30 atm with an internal energy U1 = 547.2 J. The gas is cooled at a constant volume until its pressure is 1.80 atm. Then it is allowed to expand at constant pressure until its ...
Friday, November 16, 2012 at 8:25pm by Erika

physics
Initially 1.200 mol of an ideal gas in a container occupies a volume of 3.50 l at a pressure of 3.30 atm with an internal energy U1 = 547.2 J. The gas is cooled at a constant volume until its pressure is 1.80 atm. Then it is allowed to expand at constant pressure until its ...
Sunday, November 18, 2012 at 1:40pm by chelsea

chemistry
if initial pressure is 5 atm, initial volume is 6 liter what will be final pressure in atm when final volume is 10 lit?
Monday, March 5, 2012 at 9:03pm by Anonymous

college chemistry
A diving bell is a container open at the bottom. As the bell descends, the water level inside changes so that the pressure inside equals the pressure outside. Initially, the volume of air is 8.58 m3 at 1.020 atm and 20C. What is the volume at 1.584 atm and 20C?
Saturday, December 10, 2011 at 12:23pm by Betty

CHEMISTRY
A mixture of Xe, Kr, and Ar has a total pressure of 6.7 atm. What is the mole fraction of Kr if the partial pressures of XE and Ar are 1.6 atm and 2.8 atm? Did anyone get .343 ?
Saturday, May 12, 2012 at 4:55pm by John

chemistry
ii) What is the total pressure of a gas mixture that contains hydrogen at 0.45 atm, nitrogen at 0.25 atm, and argon at 0.60atm
Friday, January 30, 2009 at 8:20pm by candi

chemistry
Whats total pressure of a gas mixture that contains hydrogen at 0.45 atm, nitrogen at 0.25 atm, and argon at 0.60atm
Sunday, February 1, 2009 at 5:45am by Anonymous

chemistry
What is the total pressure of a gas mixture that contains hydrogen at 0.45 atm, nitrogen at 0.25 atm, and argon at 0.60atm?
Saturday, September 26, 2009 at 8:35am by Vernita Bickcom

Chemistry 101
A sample of a gas (5.0 mol)at 1.0 atm is expanded at constant temperature from 10.0 L to 15 L. The final pressure is _______ atm.
Wednesday, November 30, 2011 at 8:17pm by Joni

chemistry
if 240ml of O2 gas increases pressure from 0.40 atm to 0.80 atm what is the new volume? show all work
Wednesday, May 16, 2012 at 4:40pm by shane

chemistry
You have 120.8 grams of CO2 at 2.5 atm and 18.4oC in a 10.0 L fixed volume container. What is the internal pressure(atm)?
Monday, July 2, 2012 at 1:22pm by cassie

Chemistry
At 122C the pressure of a sample of nitrogen gas is 0.830 atm. what will the temperature in Celsius be at 3.00 atm, assuming constant volume ?
Wednesday, March 20, 2013 at 8:54pm by Ashley

Science
What will be the new volume if 115 mL of He gas at 100C and 0.993 atm is cooled to 26C and the pressure is increased to 1.35 atm?
Monday, November 25, 2013 at 7:23pm by Lauren

Chemistry
At 1 atm, how much energy is required to heat 39.0 g of H2O(s) at 22.0 C to H2O(g) at 163.0 C?
Wednesday, March 28, 2012 at 5:22pm by Dan

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