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July 29, 2016

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Chemistry - help please
The decomposition of NH4Cl can be accomplished by heating it in an evacuated cylinder. The products are NH3 and HCl gas. If the total pressure after heating is 4.4 atm, determine Kp. Please help me with the steps on how to do solve this.
October 14, 2013 by Eren

Chemistry
A rigid container of O2 has a pressure of 3.9 atm at a temperature of 700 K. What is the pressure at 273 K?
April 21, 2016 by Ashly

chemistry
A student generates H2(g) over water using the reaction between zinc and hydrochloric acid Zn(s)+ 2HCl(aq)---> ZnCl2(aq)+ H2(g) Data: Mass of vial and zinc 15.5082 mass of vial 15.3972 mass of zinc 0.111 final burette reading 45.30mL barometric pressure: Patm 100.6kPa ...
November 24, 2011 by Yuli

chemistry
If you collect hydrogen gas over water at a temperature of 85*C, what is the volume of just the water if the pressure of hydrogen is 1.23 atm and the grams of hydrogen was 2.6
May 6, 2014 by brandie

chem
An experiment shows that a 114 mL gas sample has a mass of 0.167 g at a pressure of 721 mm Hg and a temperature of 32C. What is the molar mass of the gas? so im suppose to find the molar mass but i thought that was the same as the g just converting it..? im using the equation...
February 14, 2011 by hannah

Chemistry
Just having some trouble with this chemistry problem.. Thanks for help! Toxic carbon monoxide (CO) gas is produced when fossil fuels such as petroleum burn without enough oxygen. The CO can eventually be converted to CO2 in the atmosphere. Automobile catalytic converters are ...
January 15, 2013 by Sara

Algebra 1
Pressure and volume vary inversely in the idea has law. The pressure exerted by a gas of volume 150cubic inches is 30 p.s.i. Find the pressure exerted by the gas if the volume is decreased to 50cuboc inches
May 12, 2016 by Pj clancy

chemistry
The pressure in an automobile tire is 1.85 atm at 27.0C. What will be the pressure if the temperature increases to 38.0C?
March 20, 2014 by Leah

Chemistry
A sample of oxygen is in a 570 L balloon at 118.8 kPa. What is the volume of the balloon, in litres (to 1 decimal place, input value only) if the pressure is changed to 1.359 atm? Assume that the temperature remains constant.
May 18, 2014 by Anonymous

Chemistry
Argon makes up 0.93% by volume of air. Calculate its solubility in water a 20 C and 1.0 atm. The henry's law constant for argon under these conditions is 0.0015 mol/L*atm
December 8, 2014 by guy

phy
(Q1)A gas occupies a certain volume at 27c.If it is heated at constant pressure, its volume is exactly doubled at a temperature of. (a)54c(b)219c(c)327c(d)600c (Q2)If the specific heat capacity of water initially is4.2000/kg/k and the difference in temperature of water between...
July 3, 2013 by kate

AP Chemistry
A 1277 mL sample of nitrogen (N2) was collected by displacement of water at 24 degrees C under a total barometric pressure of 966 torr. What mass of dry nitrogen was collected? The vapor pressure of water at 24 degrees C is 22 torr. Answer in units of g
February 16, 2014 by Gabriella

chemistry
Sulfur dioxide and oxygen gases react at high temperature (400 o C) in the presence of a catalyst(like Pt) to form sulfur trioxide gas. The reaction is started from a gas mixture at 400oC with the partial pressures PSO2 = 15 atm and PO2= 10. atm. What will be the final partial...
April 17, 2015 by David

Kris
A gas mixture containing 0.400 mol He, 0.184 mol CH4 and 0.0374 mol Ne was placed in a 3.00-L flask at 301 K. What is the PRESSURE (atm) in the flask?
April 3, 2016 by Chemistry

chemistry-recheck answer
I was wondering if someone can tell me if I did this right: The gas constant (R) has many different unit formulations. Convert the value of 8.314 (m3-Pa)/(K-mol) into units of (L-mmHg)/(K-mol). This is what I did: (8.314 m3-Pa/K-mol)*(1 atm/101325 Pa)*(760 mm Hg/1 atm)*(1L/...
October 9, 2010 by Jazmin

Thermodynamics
3. A gas is confined in a 0.47-m-diameter cylinder by a piston, on which rests a weight. The mass of the piston and weight together is 150 kg. The atmospheric pressure is 101 kPa. (a)What is the pressure of the gas in kPa? (b) If the gas in the cylinder is heated, it expands, ...
July 10, 2012 by Zena

Chemistry
It takes bromine vapor 4.73 min to effuse through a pinhole of a container. How long will it take CH4 gas to effuse under the same temperature and pressure? Okay so, I tried using Graham's law for this problem. Rate A was 4.73. Molar Mass of bromine was 79.904 and the molar ...
May 17, 2010 by Kyo

science
If the inner core reaches temperatures exceeding 6000c, in what phase/state of matter would these matters exist? A. gas; the temperature is so great that the atoms vaporize B. solid; the pressure is so great that the atoms are forced together C. liquid; the temperature exceeds...
May 22, 2009 by Lisa

chemistry
One mole of an ideal gas is expanded from a volume of 1.00 atm. How much work (in joules) is performed on the surroundings? Ignore sig figs for this problem. (T=300 K; 1 L*atm=101.3 J)
April 14, 2015 by Carolyn

ap ch em
004 10.0 points To what temperature must a sample of helium gas be cooled from 144◦C to reduce its volume from 4 L to 0.86 L at constant pressure? Answer in units of K.
April 3, 2011 by Anonymous

chem
A typical fluorescent light bulb contains argon gas and mercury vapor.? a. If the total gas pressure in a fluorescent light bulb is 307.1 Pa and the partial pressure of the argon gas is 306.0 Pa, what is the partial pressure of the mercury vapor? b. If a 935-mL fluorescent ...
April 6, 2015 by vc

chemistry
A compressed gas cylinder contains 1.00 into 1000 g argon gas . the pressure inside the cylinder is 2050 psi at a temp of 18 degree . how much gas remains in the cylinder if the pressure is decreased to 650 psi at a temperature of 26 degree of 26 degree c
October 26, 2014 by mathew

chemistry
What is the volume of a gas tank which contains 10.4 g of nitrogen gas a 2 g and 4.50 atm?
January 11, 2011 by Hunter

Chemistry
2.05 g of an unknown gas at 45 C and 1.00 atm is stored in a 1.15-L flask. What is the density of the gas?
October 16, 2012 by Bill

Chem
If 66.5 mol of an ideal gas is at 5.97 atm and 335 K, what is the volume of the gas?
December 10, 2014 by wendy

Chemistry
Use the following information to identify element A and come pound B, then answer questions a and b. An empty glass container has a mass of 658.572 g. It has a mass of 659.452 g after it has been filled with nitrogen gas at a pressure of 790. torr and a temperature of 15C. ...
May 31, 2008 by Alex

Physical Chemistry
Calculate DS if the temperature of 3 moles of an ideal gas with Cv,m = 1.5R is increased from 200 K to 500 K under conditions of (a) constant pressure and (b) constant volume.
November 30, 2012 by Lawrence

chemistry
A steel tank contains carbon dioxide at 34 celsius and is at 13.0 atm. Determine the internal gas pressure when the tank and its contents are heated to 100 clesius. Do i need to convert to kevins here. There are answers using both, so which is correct.
October 18, 2010 by lavonne

Chemistry
N2(g) + O2(g) → N2O5(g) What volume of oxygen gas reacts to yield 750.0 cm3 of N2O5? The reaction conditions are 350C and 2.50 atm pressure. I balanced the equation 2N2+2O2 = 2N2O5 BUT I AM NOT GETTING THE CORRECT ANSWER, WHAT AM I DOING WRONG?
February 2, 2014 by Harry

Chemistry
N2(g) + O2(g) → N2O5(g) What volume of oxygen gas reacts to yield 750.0 cm3 of N2O5? The reaction conditions are 350C and 2.50 atm pressure. I balanced the equation 2N2+2O2 = 2N2O5 BUT I AM NOT GETTING THE CORRECT ANSWER, WHAT AM I DOING WRONG?
February 2, 2014 by Harry

Chemistry
SHOW WORK A cylinder contains 36.5g of argon gas at a pressure of 8.20atm. The valve is opened and gas is allowed to escape until the pressure is reduced to 4.75atm at constant temperature. How many grams of argon escaped?
December 4, 2013 by Caitlyn

Chemistry
I got think I got the following questions almost figured, but I just want someone to make sure that I am correct. 1) The whole experiment involves using the ideal gas law to predict the molar mass of an unknown liquid. The formula is molar mass of liquid = gR(0.0821)T(...
March 28, 2014 by Sandy

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 basketgball is inflated to a pressure of 1,50 atm in a 20.c garage. What is the pressure of the basketball outside whre the temperature is -5.00 C?
June 3, 2012 by Mary

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

Physics
The air pressure in a tire is 2.38 atm. What is this pressure in kilopascals?
April 7, 2014 by A.C.

physics
A cylinder of gas is compressed by a piston from an intial volume of 125 litres to a final volume of 90 litres.The compression occurs at constant pressure and work done on the gas by the piston is 10^4J.What is the gas pressure during compression
November 29, 2014 by takunda

chem word problem
.If a gas is cooled from 323.0 K to 273.15 K and the volume is kept constant, what final pressure would result if the original pressure was 750.0 mm Hg? Round to the nearest tenth. Don't forget the units. what should i plug in?
May 23, 2013 by ray

chemistry
If the vapor pressure of a liquid is 0.850 atm at 20C and 0.897 atm at 25C, what is the normal boiling point of the liquid?
January 20, 2016 by Elisha

chemistry
when a balloon has 1.2 L of a gas at 1.1 atm what will be the new volume of the balloon if the ballooon is placed in a partial vacuum, with a pressue of .35 atm?
March 11, 2011 by meghan

chemistry
1- A compound is 87.5% nitrogen and 12.5% hydrogen. The molecular weight of the compound is 32 g/mol. Describe the molecule referencing shape, and inter-molecular forces. 2- Gaseous butadiene, C4H6 , reacts with hydrogen gas in the presence of a platinum catalyst to form ...
January 6, 2014 by Katie

chem
In 1897 the Swedish explorer Andree tried to reach the North Pole in a balloon. The balloon was filled with hydrogen gas. The hydrogen gas was prepared from iron splints and diluted sulfuric acid. The reaction is given below. Fe(s) + H2SO4(aq) FeSO4(aq) + H2(g) The volume of ...
November 16, 2007 by mel

Physics
A tank with a constant volume of 3.44 m3 contains 14 moles of a monatomic ideal gas. The gas is initially at a temperature of 300 K. An electric heater is used to transfer 52600 J of energy into the gas. It may help you to recall that CVCV = 12.47 J/K/mole for a monatomic ...
February 9, 2016 by Leul

chem
If 41.5 moles of an ideal gas is at 4.71 atm at 49.90 C, what is the volume of the gas?
December 1, 2013 by dinah

Science
calculate the density of 50.0 mg of a gas which occupies a volume of 0.0064 L.
September 22, 2010 by Charity

chem
If the wet H2 gas occupies a volume of 6.84 L, how many moles of H2 are formed?
October 16, 2010 by jen

chemistry
Tricky one- my math fails here (a) A pressure vessel contains a large volume of CO2 gas at 10 atm pressure. A membrane composed of a poly(ether ketone) polymer with thickness 100 microns and net effective area of 100 cm2 covers a small perforated port in the container. The ...
January 11, 2013 by mangozier

chemistry
How many moles of gas must be forced into a 3.1L ball to give it a gauge pressure of 9.8psi at 22degrees C? The gauge pressure is relative to atmospheric pressure. Assume that atmospheric pressure is 14.5psi so that the total pressure in the ball is 24.3psi .
April 28, 2012 by Jess

chemistry
How many moles of gas must be forced into a 3.7L ball to give it a gauge pressure of 8.4psi at 23degrees C? The gauge pressure is relative to atmospheric pressure. Assume that atmospheric pressure is 14.6psi so that the total pressure in the ball is 23.0psi
April 28, 2012 by Jessica12

Chemistry
What is the volume of a scuba tank if it takes 2000 L of air collected at 1.00 atm to fill the tank to a pressure of 150 atm? T is constant.
December 9, 2011 by Dani

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

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

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.
May 2, 2013 by christie

chem
A 2.30 L sample of O2(g) was collected over a liquid at a total pressure of 785 torr and 25C. When the O2(g) was dried (vapor of that liquid removed), the gas had a volume of 1.93 L at 25C and 785 torr. Calculate the vapor pressure of this liquid at 25C.
November 3, 2011 by Anonymous

heat of vapor pressure
When a student plotted ln [vapor pressure of a gas] vs. inverse Kelvin temperature, she obtained a straight line with a slope equal to -9500 K. According to the Clausius Clapeyron equation, Hvap is ? kJ/mol. The vapor pressure is proportional to exp (-Hv/RT), with a constant ...
January 18, 2007 by yayhawknelson

chemistry
What pressure would be required for neon at 25 degrees C to have the same density as argon at 25 degress C and 1.00 atm?
November 5, 2012 by Tanner

chemistry
What pressure would be required for neon at 25 degrees C to have the same density as argon at 25 degress C and 1.00 atm?
November 5, 2012 by Tanner

chemistry
What pressure would be required for neon at 25 degrees C to have the same density as argon at 25 degress C and 1.00 atm?
November 5, 2012 by Tanner

Chemistry
a 6.0 mole sample of Ca3(PO4)2 and a 12.0 mole sample of SiO2 react in an evacuated vessel. after one of the reactants is fully consumed, how much of the gas is created? How exactly would you solve this problem? Would you have to find the molar mass of both sides and divide by...
November 18, 2015 by Allison

physics
A chemist is working with a 4.50 mol sample of an ideal gas. The internal energy of the sample is known to be 14,900 J. What is the average kinetic energy of each gas molecule?
March 14, 2014 by Anonymous

chem
A sample of hexane was cracked. A sample of 50cm of gas was produced. The gas decolorized 4cm of 0.23moldm solution of bromine. What % of aliens was produced?
April 13, 2016 by jay

chem
A sample of hexane was cracked. A sample of 50cm of gas was produced. The gas decolorized 4cm of 0.23moldm solution of bromine. What % of alkenes was produced?
April 13, 2016 by jay

Chemistry
I need help calculating the partial pressure of H2 using the following information 0.028 g Mg with excess HCl which produced 31.0 mL of H2 gas. The gas was collected by water displacement in a 22 degrees Celsius water bath. The pressure was 746 mmHg.
October 6, 2010 by Amanda

physic
four moles of gas are contained in 2 litre vessel at the temperature of 200c at a pressure of 10atm.the gas is allowed to expand to anew volume of a 4litres ,but at the same time maintening the original temperature.what is the new pressure?
April 26, 2013 by Anonymous

Chemistry
1.) A vapor volume of 1.17 L forms when a sample of liquid CH3CN absorbs 1.00 KJ of heat at its normal boiling point (81.1 C and 1 atm). What is the heat of vaporization in KJ per moles of CH3CN? 2.) The vapor pressure of water at 25 C is 23.76 torr. If a 1.25 g sample of H20 ...
February 15, 2010 by joseph

chem
Yesterday, Jason had a sample of helium indoors (T = 23oC) in a sealed container, with a pressure of 760 mm Hg. He got bored and took the container outside, where the temperature was a blistering 35oC. He calculated the new pressure to be 750 mm Hg. Jason knew that this answer...
December 2, 2007 by Tom

fluid mechanics
A plastic bag is filled with 1 ft3 of air at 17 C at atmospheric pressure. What is volume at 2 atm pressure?
September 4, 2011 by serena

chemistry
If the volume is 226 L at 1.7 atm, find the volume at 2.8 atm. Assume the temperature and amount of gas remain constant. Answer in units of L.
May 6, 2015 by teresa

Chemistry
How many moles of gas must be forced into a 4.8L tire to give it a gauge pressure of 30.8psi at 30 degrees celsius? The gauge pressure is relative to atmospheric pressure. Assume that atmospheric pressure is 14.5L so that the total pressure in the tire is 45.3psi. What formula...
February 20, 2013 by Claire

Chemistry
If N2 is added to a balloon that contains O2 (partial pressure 450 mm Hg) and CO2 (partial pressure 150 mm Hg) to give a total pressure of 850 mm Hg, what is the partial pressure of each gas in the final mixture?
April 10, 2013 by Ryan

Chemistry
If N2 is added to a balloon that contains O2 (partial pressure 450 mm Hg) and CO2 (partial pressure 150 mm Hg) to give a total pressure of 850 mm Hg, what is the partial pressure of each gas in the final mixture?
April 12, 2013 by Ryan

Chemistry
At 27 degrees celcius, nitrogen has a volume of 650 cm^3 under a pressure of 980 mmHg. What would be its volume at the same temperature but at a pressure of 760 mmHg?
September 15, 2014 by Richaj

college
Use the following information to identify element A and compound B, then answer questions a and b. An empty glass container has a mass of 658.572 g. It has a mass of 659.452 g after it has been filled with nitrogen gas at a pressure of 790 torr and a temperature of 15 C. When ...
November 2, 2009 by Ada

Chemistry
A reaction of 1 L of chlorine gas (Cl2) with 3 liters of fluorine gas (F2) yields 2 liters of a gaseous product. All gas volumes are at the same temperature and pressure. What is the formula of the gaseous product? So it would look roughly like this? Cl2 + F2 --> 2ClF ?
April 8, 2010 by Anonymous

chemistry
a sample of water under study was found to boil at 102 degree celiceus at normal temperature and pressure . is the water pure
June 23, 2011 by sanjeed

chemistry
Ammonia is often produced by reacting nitrogen gas with hydrogen gas. How many liters of ammonia gas can be formed from 12.9 L of hydrogen gas at 93.0C and a pressure of 43.5 kPa? (Assume an excess amount of nitrogen gas.) I have absolutely no idea how to begin this.
March 17, 2015 by kendall

Chemistry
what volume of oxygen gas measured at 25C and 760 torr is required to react with 1.0L of methane measured under the same conditions of temperature and pressure?
March 24, 2012 by Mitch

geometry
100.0 g of copper(II) carbonate (molar mass = 123.56 g/mol) was heated until it decomposed completely. The gas was collected and cooled to room temperature and normal pressure (25C and 1.00 atm). What volume of carbon dioxide was produced? The reaction is: CuCO3(s) CuO(s...
December 8, 2010 by sassy

Columbus State
CO(g) + 2H2(g) ↔ CH3OH(g) Kc=14.5 (500K) a. In which direction will the reaction proceed if the reaction vessel contains 0.500 atm CO, 0.500 atm H2, and 0.500 atm CH3OH? Show your calculations for full credit. Remember that Q and K both have to be calculated with either ...
June 22, 2014 by Josh

Physics
How large a pressure increase (in ATM) must be applied to water if it is to be compressed in volume by 1%? The bulk modulus of water is 2 109 N/m2 and 1 ATM = 105 N/m2
December 10, 2008 by Charlie

Chemistry II
what is the molar mass of a gaseous organic compound with a density of 3.38 g/L at 40oC and a pressure of 1.97 atm? Ok, I am little confused because I am not sure of where to plug in the density and the atm?
September 2, 2009 by Michelle

Chemistry
A sample of gas (2.0 mmol) effused through a pinhole in 5.0 s. It will take __________ s for the same amount of to effuse under the same conditions.
December 31, 2014 by Claire

Chemistry
1. A sample of argon gas is at a pressure of 1.24 x 10^4 kPa and a temperature of 24C in a rigid 25-L tank. How many moles of argon does this tank contain? I ended up with .130 but its 130 Can someone tell me what I did wrong? This whole chapter on gases is really confusing ...
August 11, 2010 by Anonymous

Chemistry
What is the pressure (in atmospheres) of the gas inside the container connected to an open-end, mercury-filled manometer as shown in the picture? The atmospheric pressure is 0.95atm. l----l | (G) l | l - --- l Hg l Hg *18cm - - --- Hg Hg HgHgHgHg what process do I use to solve...
October 21, 2007 by leo

chem-help
Use the following information to identify element A and come pound B, then answer questions a and b. An empty glass container has a mass of 658.572 g. It has a mass of 659.452 g after it has been filled with nitrogen gas at a pressure of 790. torr and a temperature of 15C. ...
December 3, 2008 by Anne

Chemistry
What is the molecular weight of a gas if a 15.0g sample has a pressure of 836 mm Hg at 25.0 degrees C in a 2.00 L flask? a)167 b)1.35 c)176 d)11.1 e)none of the above Please explain... I need to understand how to do this. Thanks.
January 3, 2010 by Coug

chemistry thermodynamics
a sample of methane gas of mass 25g at 250k and 18.8atm expands isothermally until its pressure is 2.5atm. calculate the change in entropy.
October 19, 2013 by sam

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?
July 3, 2010 by Anonymous

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.
December 4, 2010 by brandy

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

Science
10. You analyze the gas in 100 kg of gas in a tank at atmospheric pressure, and find the Following : CO2;19.3%, N2;72.1%, O2;6.5%, H2O;2.1% What is the average molecular weight of the gas?
March 26, 2015 by Man Singh Chouhan

CHEM.
HELLO AND GOOD EVENING EVERYONE mY QUESTION THAT IS QUITE MAKING ME FRUSTERATED IS : HOW MANY MASSES OF Cl2 MOECULE WOULD I EXPECT TO FIND IN A SAMPLE OF CHLORINE GAS? AND IT IS FOR SURE A GAS PLEASE HELP ME WITH MY HOMEWORK THANKYOU
June 4, 2007 by Linda Cunniffe

Chemistry
The following reaction can be used to determine the amount of calcium ion present in milk. Before the reaction below is carried out ca2+ is precipitated out of a sample of milk as CaC2O4(s). The CaC2O4(s) is then titrated with MnO4-. 2MnO4-(aq) + 5CaC2O4(s) + 16H+(aq) = 2Mn2+(...
March 29, 2011 by John

math
Aerosol cans carry clear warnings against incineration because of the high pressures that can develop upon heating. Suppose a can contains a residual amount of gas at a pressure of 755 mm Hg and a temperature of 25 C. What would the pressure be if the can were heated to 1155 C?
January 29, 2011 by Anonymous

chemistry
Aerosol cans carry clear warnings against incineration because of the high pressures that can develop upon heating. Suppose a can contains a residual amount of gas at a pressure of 755 mm Hg and a temperature of 25 C. What would the pressure be if the can were heated to 1155...
January 31, 2011 by Anonymous

Chemistry
A heliox deep-sea diving mixture delivers an oxygen partial pressure of 0.20 atm when the total pressure is 13.0atm .What is the partial pressure of helium in this mixture?
April 27, 2012 by Jessica

Math: statistics
A DVD rental store wants to know what proportion of its customers are under age 21. A simple random sample of 500 customers was taken, and 375 of them were under age 21. Presume that the true population proportion of customers under age 21 is 0.68. Find the mean and standard ...
April 12, 2015 by Statistics

chemistry
Consider a sample containing 2.00 mol of a monatomic ideal gas that undergoes the following changes from State A to State D: State A PA=10.5atm, VA=10.00L State B PB=10.5atm, VB=5.00L State C PC=24.5atm, VC=5.00L State D PD=24.5atm, VD=22.00L Assume that the external pressure ...
October 4, 2008 by Jane

Chemistry...
The oxygen gas emitted from an aquatic plant during photosynthesis is collected over water at a temperature of 25 degrees celsius and a total pressure of 762 torr. What is the partial pressure of the oxygen gas? What formula do I need to use?
February 20, 2013 by Katie

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