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November 24, 2014

Search: A gaseous mixture of and contains 36.8 nitrogen by mass. What is the partial pressure of oxygen in the mixture if the total pressure is 565 ?

Number of results: 39,510

chemistry
how di i use PV=nRT for: How many moles of oxygen gas (O2) are in 448L at STP (273K and 1 atm of pressure)? need help!
June 19, 2010 by kim.

chemistry
A sample of oxygen occupies 38.9L at STP. What will the pressure need to be in Torr. if the volume is to be changed to 32.2L without a change in T.
June 9, 2011 by kathleen

chemistry
determine the pressure that must be excreted on 200 grams of oxygen to contain it in a 2.oo l vessel at 30 degrees celcius
May 9, 2012 by Sean Lewns

chemistry
calculate the volume of the hydrogen that will combine with 40 litres of oxygen to form steam at 150 C and atmospheric pressure
March 4, 2013 by bidha

chemistry
calculate the volume of the hydrogen that will combine with 40 litres of oxygen to form steam at 150 C and atmospheric pressure
March 4, 2013 by bidha

chemistry
can somebody please tell me how to solve this, how can i find the saturation concentration of oxygen in water at 10'C in atmospheric pressure.?
October 18, 2013 by Anonymous

chemistry
When 34.1 g of lead reacts with 6.81 L of oxygen gas, measured at 1.00 atm and 25.0įC, 36.1 kJ of heat is released at constant pressure. What is DHį for this reaction?
October 5, 2014 by george

mira mar
What do you think about my essay, It is a Cynthia Owens English 43 Instructor Toland Perry Dec 5th, 2011 How to Make a Fruit Pizza My fruit pizza is always a great conversation piece at any occasion I have taken it to, and it is always the hit of the party. For example, once I...
December 3, 2011 by cowens

Extraction uses
I'm to describe uses of method. My answer is short. Is it sufficient? Extraction is used to separate one or more components from a mixture. Thanks from Sheryl I think that sounds fine, but I don't know how strict your professor is. :)
October 7, 2006 by Sheryl

Chemistry
The ionization constant of an acid, HX is 1 x 10^-5. When a mixture of 0.100 mol HXand 0.100 mol of NaX is diluted to a volume of one liter by addition of wate, the pH of the resulting solution is very nearly a. 7 b. 6 c. 5 d. 4
April 15, 2008 by LT

College Algebra
A car radiator has a 6-liter capacity. If the liquid in the radiators 40% antifreeze, how much liquid must be replaced with pure anitfreeze to bring the mixture up to a 50% solutions? If I told you the answer is 1 liter
August 12, 2010 by Ziggy

chemistry
Consider the following reaction:4HCl(g)+O2(g)produces 2H2O(g) + 2Cl2(g) How many molecules of Cl2 would be formed from the reaction mixture that produces the greatest amount of products? Express your answer as an integer.
October 2, 2010 by Anonymous

Science
Can someone please please help me? I don't have a text book, i have a online book and it isn't working. Can someone please be nice and help me? Science isn't my subject! 1. Why is Earthís temperature just right for life? (1 point) Earthís core is hot enough to heat Earthís ...
January 21, 2014 by Mandy

Chemistry
Nitrogen & hydrogen goes react to form ammonia gas as follows: N2(g)+3H2(g)-->2NH3(g) At a certain temperature & pressure, 1.2L of N2 reacts with 3.6L of H2. If all the N2 and H2 are consumed, what volume of NH3, at the same temperature & pressure will be produced? I tried ...
November 3, 2012 by Ezra

chemistry
An automobile tire contains air at a pressure of 200. kPa and 25įC. The tire and its air heat up during traveling. If the pressure increases to 250. kPa but the volume remains the same, what is the temperature of the air inside the tire?
April 9, 2013 by hi

Chemistry
Oxygen can be produced in the laboratory by the reaction 2 KClO3(s) → 2 KCl(s) + 3 O2(g) . How much potassium chlorate is needed to produce 2.75 L of oxygen, collected over water at 37◦C and 94.9 kPa? The vapor pressure of water at 37◦C is 6.28 kPa. 1. 0.189 ...
November 20, 2012 by Caitlin

College Chem
Oxygen gas has a Henry's law constant of 1.66*10^-6 M/mm Hg at 40 degree C when dissolving in water. If the total pressure of gass (O2 gas plus water vapor) over water is 1.0 atm, what is the concentration of O2 in the water in grams per milliliter? Pressure of the water ...
October 15, 2013 by Kimmy

math
soybean meal is 14% protein, corn meal is 7% protein how many lbs of each should be mixed together in order to get 280 lb mixture that is 13% protein>>?
November 11, 2009 by Anna

Algebra
Please show how to solve for problems like this: How many pounds of coffee that costs 4.50/lb be mixed with 20 lbs of coffee that costs 7.50/lb to make a mixture that costs 5.00/lb
September 22, 2014 by Ken

Chemistry
A gaseous reaction occurs at a constant pressure of 50.0 atm and releases 55.6 kJ of heat. Before the reaction, the volume of the system was 7.60 L. After the reaction, the volume of the system was 2.00 L. Calculate the total internal energy change, Delta U, in kilojoules.
October 31, 2010 by Rani

chemistry... HELPP
A gaseous reaction occurs at a constant pressure of 45.0 atm and releases 62.5 Kj of heat. Before the reaction, the volume of the system was 8.60 L . After the reaction, the volume of the system was 3.00 L. Calculate the total internal energy change in kilojoules.
November 5, 2012 by Ann

chemistry
Calculate the number of grams of reactant left over when 28.35 grams of silver reacts with 50.0 liters of air at STP which is 20.9476 % oxygen by volume. The density of air at STP is 1.292 g/L. attemtp at solution volume of oxygen= .209476*50L=10.5L How do i go from volume of ...
November 8, 2008 by jason

chemistry
An ideal solution contains 40 mole % of A and 60 mole % of B at 80 degrees C. The vapor pressure of pure A and B at this temp are 480 torr and 890 torr. Calculate the vapor pressure of the solution.
October 7, 2010 by Anonymous

Physics
A tire contains air at a pressure of 2 bar at 15 degrees Celsius. If the tires volume is unchanged, what will the air pressure in it be when the tire warms up to 40 degrees Celsius as the car is driven?
November 2, 2011 by Diana

Chem 101
Consider the reaction of 82.0 g of oxygen as follows: 4Fe + 3O2 2Fe2O3 How many moles of oxygen react? How many moles of iron must react? How many moles of product form? What mass of product forms?
August 26, 2010 by Samuel

Chemistry
Hi, I posted a question yesterday : A compound contains only carbon, hydrogen, nitrogen, and oxygen. Combustion of 0.157 of the compound produced 0.213g CO2 and 0.0310 g H20. In another experiment, it is found that 0.103g of the compound produces 0.0230 g NH3. What is the ...
April 15, 2010 by Anonymous

ochem
If you recrystallize a compound with a 1/2 ethanol/water mixture and water remains in the compound after recrystallization, would that change the melting range of the pure compound?
April 14, 2009 by bee

algebra
how many pounds of cashew nuts that sell for 2.00 a pund should be mixed with peanuts, which sell for 80 cents a pound to make a 10 pound mixture that sells for 1.28 a pound
February 15, 2012 by matt

math
Ned's Sheds purchases building materials from Timber town Lumber for $3,700 with terms of 4/15, n/30. The invoice is dated October 17. Ned's decides to send in a $2,000 partial payment. By what date must the partial payment be sent to take advantage of the cash discount? ...
November 19, 2013 by Jennifer

Partial Decompostion Fractions
Can you please help me with the following questions please, I dont understand them. I know the general rule about them. Write the partial fraction decomposition of the rational expression. (x^2+4x-1)/(x^2+3)^2 (4x^3+4x^2)/(x^2+5)^2
November 17, 2007 by Soly

Algebra-Partial Fractions
Can you please help me with the following questions please, I dont understand them. I know the general rule about them. Write the partial fraction decomposition of the rational expression. (x^2+4x-1)/(x^2+3)^2 (4x^3+4x^2)/(x^2+5)^2
November 19, 2007 by Soly

chemistry
a 250.0 ml sample of an aqueous solution at 25 degrees celsius contains 35.8 mg of an unknown nonelectrolyte compound. If the solution has an osmotic pressure of 11.25 mmHg, what is the molar mass of the unknown compound? I know you need to have the answer in g/mol. I have ...
September 30, 2012 by Vic

Lab Math
You have 10.0 ml of a 5.0% NaCl solution. To this you add 5.00ml of a 2.0% NaCl solution. What is the molarity of NaCl in this final mixture? Please help!
February 2, 2012 by Morgan

Math
soybean mean is 16% protein and corn mean is 9% protein. how many pounds of each should be mixed to get a 350 pound mixture that is 13% protein?
April 22, 2014 by Mohamed

chemistry
A crude oil burned in electrical generating plants contains about 1.2 % sulfur by mass. When the oil burns, the sulfur forms sulfur dioxide gas: S (s) + O2 (g) = SO2 (g). How many liters of SO2 (d=2.60 g/L) are produced when 1.00X 10 to the 4th kg of oil burns at the same ...
August 1, 2008 by kayla

chemistry
What mass of sulfur msut be used to produce 17.1 L of gaseous sulfur dioxide at STP according to the following equation? S8 (s) + 8O2 (g) -> 8 SO2 (g) Answer in units of g
March 14, 2012 by Sarah

AP Chemistry
Given: 2N2(g) +O(2) --> 2N2O(g) Kc =1.2x10^(-35) N2O4(g) --> 2NO2(g) Kc = 4.6x10^(-3) 1/2N2(g) + O2(g) --> NO2(g) Kc= 4.1x10^(-9) Calculate Kc for the reaction between one mole of dinitrogen oxide gas and oxygen gas to give nitrogen tetroxide gas.
August 17, 2011 by Matt

Science help
14. The energy role of the first organism in a food chain is always a(n) ___________. (1 point) 15. Water is a(n) __________ factor in all ecosystems that all living things require. (1 point) 16. ___________bacteria carry out the conversion of gaseous nitrogen to a ...
April 27, 2014 by Anoymous

Math
Which is a molecule of phosphoric acid contains 3 atoms of hydrogen to every 4 atoms of oxygen. Could a compound containing 16 atoms of oxygen and 12 atoms of hydrogen be phosphoric acid? Explain. Mr.Lee has 3/10 of his gross salary deducted for taxes. If Mr.Lee makes $900 a ...
January 6, 2013 by Danny

chemistry
Under an O2(g) pressure of 1.00 atm, 30.9 cm3 of O2(g)at 25C dissolves in 1.00 L H2O at 25C. Assuming that the soln volume remains at 1.00L, what is the Molarity of a saturated O2(aq) soln at 25C when partial pressure O2=1 atm? DRBOB222 said to: Convert 30.9 cc O2 at 25C to ...
August 31, 2011 by Holly

Chemistry
A mouse is placed in a sealed chamber with air at 755.0 torr. This chamber is equipped with enough solid KOH to absorb any CO2 and H2O produced by the mouse. The gas volume in this chamber is measured to be exactly 1.70 L, the temperature is held constant at 305 K. After two ...
November 6, 2014 by Kales

Chemistry
When normal atmospheric conditions are present, water is constantly being cycled between liquid and gaseous states by which of the following pairs of processes? A. Turgor pressure and filtration B. Melting point and condensation C. Evaporation and condensation D. Filtration ...
July 27, 2014 by J

Chemistry
How many moles of ammonia gas can be formed from the complete reaction of 44.8 liters of nitrogen gas at standard temperature and pressure (STP), according to the balanced equation, N2 (g) + 3H2 (g) arrow 2NH3 (g)?
March 13, 2014 by Diana

Chemistry
A sample of nitrogen occupies a volume of 300ml under a pressure of 380 torr at -177C. What would be the volume at STP? I know the answer is 430mL but I don't know which equations to use to formulate the calculation.
May 1, 2014 by n

math
A dealer has 10,000 gallons of unleaded gasoline. He wants to add just enough ethanol to make the fuel a 10% ethanol mixture. How many gallons of ethanol should be added?
February 14, 2011 by RNRH

Chemistry
If the gas chromatograph is polar, and a mixture of a polar compound and a non-polar compound is injected. Which one of the two compounds will have a higher retention time? Why?
April 3, 2012 by Ella

physics
Suppose that you are able to decompose water into hydrogen gas and oxygen ga and that ou can capture all of these gases that are produced. knowing that the mass of an oxygen atom is 8 times that of a hydrogen atom, describe how you could determine which of the two types of ...
January 30, 2008 by Brittney Price

Org. Chem.
If n-butyl alcohol, sodium bromide, water, and concentrated sulfuric acid (cooled in ice bath while adding H2SO4) are placed in a flask and refluxed, what are the formulas of the salts that precipitate when the reaction mixture is cooled?
December 1, 2009 by CMM

Chemistry
If you remove some CO2(g) from an equilibrium mixture represented below, which direction would you expect the equilibrium to shift? C3H8(l) + 5O2(g) → 4H2O(g) + 3CO2(g) a. right b. left c. no change d. indeterminable based on information given
December 6, 2011 by Britney

College Chemistry
what might be the reason that this is happening: During a simple distillation i have 14ml or 50/50 hexane;toluene mixture in a 25mL round-bottom flask. However, by the time i collected 8ml of distillate there were no liquid left in the flask.
January 29, 2013 by Anonymous

Chem Lab Help
Separation and purification A mixture of benzoic acid, benzaldehyde and butylamine. What kind of experiment should you design to obtain each of the three compounds in a pure state. Just need ideas in order to start this experimental design. Thanks!!!
October 6, 2014 by Tom

physics
A volume Vi = 23.1 L of air at temperature T = 21 ĘXC is compressed at constant temperature to a volume Vf = 7.7 L. The relative humidity of the air before compression is R = 56.4 %. Saturated water vapour in air at this temperature has a vapour pressure vp = 2.5 kPa and a ...
March 29, 2011 by Sarah

science
Never found in nature uncombined? Alkali metals Alkaline Earth Metals Boron Family Carbon Family Nitrogen Family Oxygen Family Halogen Family Noble Gases
November 7, 2007 by liz

fundinjobo high science
a mass of 80 grams of hydrogen gas is heated with nitrogen gas to produce ammonia gas .what is the mass of ammonia that will be produced
August 14, 2014 by makhosazane

AP Chem
NH3 + CO2 + H2O are introduced into an empty 1.00L vessel at 115 degrees. The initial partial pressure of at .500 atm. Calculate the number of moles of of solid (NH4)2CO3 that is present when equilibrium is established?
October 28, 2014 by Megan

Chemistry
A sample of iron reacted with hydrochloric acid. The liberated hydrogen occupied 40.1 mL when collected over water at 27 C at a barometric pressure of 750 torr. What is the mass of the sample of iron? (Because of the collection of gas over water, the vapor pressure of the ...
April 8, 2013 by Kate

Org. Chem.
what is the precipitate formed when HCl is added? I believe the answer is NaCl, but I am not sure and this precipitate only formed in the first NaOH extract, as precipitate was essentially nonexistent in the 2nd extract? Below is what was done in the experiment. Also, does the...
September 21, 2009 by CM

Chemistry
The law of conservation of mass states that no change is observed in the total mass of the substances involved in a chemical change. Thus the mass of the sulfur dioxide produced is the same amount as the sulfur and oxygen that went in. Does this sound correct to answer my ...
October 5, 2010 by Josh

algebra
Soybean meal is 16% protein and corn meal is 9% protein. How many pounds of each should be mixed to get a 350-lb mixture that is 12% protein?
April 13, 2009 by ashanti

algebra 1
soybean meal is 12 % protein and corn bean meal is 6%protein what it takes to make 240 IB mixture 7% protein?
April 12, 2010 by Jerry

algebra
Soybean meal is 16% protein and corn meal is 9% protein. How many pounds of each should be mixed to get a 350-lb mixture that is 12% protein?
September 23, 2010 by Anonymous

Chemistry
What is the maximum mass of product that can be formed when 76.0 g of solid zinc and 17.5 g nitrogen gas react?
February 28, 2010 by Tiffany

chemistry
If 0.500 mol NaN3 react, what mass in grams of nitrogen would result?
October 23, 2012 by Ariana

Chemistry
A solution was prepared by adding 15mL of 0.129 M KI, 5mL of 0.1 M Na2S2O3, 1mL of starch solution, and 15mL of 0.125 M (NH4)2S2O8. Calculate the concentration of (M) of I in the final mixture before the chemical reaction.
October 3, 2008 by Brian

chemistry
What information does this value of Kc indicate with regard to the amount of NO(g)in the equilibrium mixture at a 25 degrees celcuis?THe cointainer is heated and the system reacheas a new equilibruim at 2500 degrees celcuis at this temperature there 0,4 moles of NO(g)present.
March 3, 2010 by PAMELA

organic chemistry
1if you open the tert-butyl chloride and tert-butyl bromide to the air for few hours? What happened to the ratio of the halide mixture during this time? (2-methyl-2-propanol reaction )
October 8, 2013 by jenny

business math please help me
Nedís Sheds purchases building materials from Timbertown Lumber for $3,700 with terms of 4/15, n/30. The invoice is dated October 17. Nedís decides to send in a $2,000 partial payment. By what date must the partial payment be sent to take advantage of the cash discount? ...
May 30, 2013 by April

Math
I DO NOT understand this at all and I worked on it and came up with answers but they were wrong?? Nedís Sheds purchases building materials from Timbertown Lumber for $3,700 with terms of 4/15, n/30. The invoice is dated October 17. Nedís decides to send in a $2,000 partial ...
August 23, 2013 by Brandi

Math
I DO NOT understand this at all and I worked on it and came up with answers but they were wrong?? Nedís Sheds purchases building materials from Timbertown Lumber for $3,700 with terms of 4/15, n/30. The invoice is dated October 17. Nedís decides to send in a $2,000 partial ...
August 23, 2013 by Brandi

amino acids
For the amino acid Lysine, the nitrogen with the H attached to it is not basic (since you can draw out the resonance for it). But the other nitrogen that has a double bond is not basic. Why is this?? I can draw out the resonance for the double bonded nitrogen as well.. so ...
June 6, 2009 by Kim

Chemistry
which sample of matter is a mixture ? (1)H2O(s) (2)H2O(l) (3)NaCl(l) (4)NaCl(aq)
February 13, 2011 by Penny

Chemistry
We have been getting numerous questions like this on assignments and I can't figure them out. Its like I know that there some way connected but I can't figure it out. This is for Chemistry in highschool and its likea review and so they are not going over it but I would still ...
September 17, 2006 by Tracy

Chemistry - pls help
This is a limit test for chlorides. 1.0g of NaOH sample was dissolved in 5ml of deionized water, acidified with 4ml of dilute nitric acid and diluted to 15ml with deionized water. (Test tube A) 10ml of 50ppm Standard NaCl solution was prepared. 5ml of water was added, follwed ...
September 22, 2010 by candy

Algebra
I have one question I really need help with. I know the partial sum process but my numbers dont seem to come out to what I think it should be. Find the partial sum S6 1. An=3n+2
April 4, 2013 by Jess

CHEM
How would I go about answer this question? If 72.26 g of hot water at 83.6 degrees C is mixed with 43.86 g of cooler wayer at 38.4 degrees C what will be the final temp of the mixture? The Cp of liquid water is 4.184 J/ g degrees C
October 4, 2007 by Chung

math
540 kg of dry concrete mixture is to be spread over three surfaces in the ratio equal to that of their areas.If their areas are 9 square m,11 square m and 16 square m,how much is used on each surface?
October 2, 2011 by Ella

Chemistry
A solution having a volume of 3.0L contains 23 mmol of Oxygen 2. What is the molarity of this solution?
October 3, 2010 by Elly

chem
three moles of phosphoric acid contains how many moles of oxygen atoms
March 28, 2012 by lisa

Physical science
Never found in nature uncombined? Alkali metals Alkaline Earth Metals Boron Family Carbon Family Nitrogen Family Oxygen Family Halogen Family Noble Gases
November 6, 2007 by liz

physical science
do not noramlly react with other elements? Alkali metals Alkaline Earth Metals Boron Family Carbon Family Nitrogen Family Oxygen Family Halogen Family Noble Gases
November 6, 2007 by liz

Chemistry 2
An aqueous solution has a vapor pressure of 81.1 at 50 . The vapor pressure of pure water at this temperature is 92.6. What is the concentration of in mass percent?
January 27, 2011 by Jesse

Chemistry
A 10 g mass of krypton occupies 15.0L at a pressure of 210 kPa. Find the volume of the krypton when the pressure is increased to 790kPa. Thanks
May 6, 2012 by Amy

chemistry
How many grams of calcium nitrate, Ca(NO3)2, contains 24 grams of oxygen?
January 3, 2011 by Cindy

Microbiology
What is the diferece between a partial diploid clone and a partial diploid cell?
November 13, 2006 by Ron

physics
In a specific region of interstellar space the atomic composition of gaseous matter is 89.1% atomic hydrogen and 10.9% helium, the temperature is 27K and the pressure is 2.58x10^-15Pa. What is the density of matter in this region? What is the particle density?
February 13, 2013 by alicia

air mass movement
Fill in the blanks...Air masses MOVE from areas of__________ pressure to ares of ______________ pressure.
May 29, 2008 by Matt

chem
what temperature must be maintained in insure that a 1.00 L flask containing 0.04 moles of oxygen will show a continuous pressure of 745 mm Hg?
March 20, 2011 by Gabby

Chemistry
Iron metal is produced from the ore iron(III) oxide by reacting the ore with gaseous carbon monoxide at high tempature to produce liquid iron metal and gaseous carbon dioxide. How do you balanced this equation for this reaction?
November 19, 2011 by Nathan

Physics
Oxygen (O2) has a molar mass of 32.0 g/mol [.032kg/mol]. What is the root-mean-square speed of an oxygen molecule at a temperature of 310 K? Vrms=492 m/s What is its average translational kinetic energy at that speed? Kav= ?? J I am having problems with the second half, ...
December 9, 2007 by Christina

physics, physics, physics!!!!!
At a depth of 10.9 km, the Challlenger deep in the Marianas Trench of the Pacific Ocean is the deepest site in any ocean. In 1960, Donald Walsh and Jacques Piccard reached the challenger deep in the bathy scaph trieste. Assuming that sea water has a uniform density of 1024km/m...
January 28, 2007 by james

Physics
A gas cylinder of volume 26 liters contains an ideal gas at temperature 27 degrees C and pressure 1920 kPa. Some of the gas leaks until the pressure falls to 1500 kPa. How many moles of gas leaked, assuming that the temperature remains constant during this process?
January 17, 2014 by Riley

Chemistry/Calorimetry
You buy coffee (200.0 ml) served in a styrofoam cup. You are up late working in a chemistry lab, and want to drink the coffee right away, but at 95.0 degrees C, it is too hot to drink. You like the temperature of your coffee to be 79.0 Ī 1.0 degrees C. You decide that the ...
February 23, 2012 by Jen

thermodynamics
an automobile tire contains a certain volume of air at 30 psig and 70 degree fahrenheit. The barometric pressure is 29.50 in.Hg. If due to running conditions the temperature of the air in the tire rises to 160 fahrenheit, what will be the gage pressure? assume that the air is ...
September 17, 2012 by chi

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 23, 2011 by Yuli

Chemistry
Enriched uranium is produced via gaseous diffusion of UF6. Suppose a process were developed to allow diffusion of gaseous uranium atoms, U (g). Calculate the ratio of diffusion rates of U235 and U238, and compare it to the ratio for UF6 given in the essay.
January 9, 2011 by Anonymous

CHEMICAL EQUATION
WRITE A CHEMICAL EQUATION FOR THE DECOMPOSITION OF GASEOUS FLOURINE INTO GASEOUS FLOURINE ATOMS
February 12, 2010 by Anonymous

Physics. Urgent help!!
The relative humidity is 55% on a day when the temperature is 30.0įC. Using the graph below, determine the number of moles of water vapor per cubic meter of air. on the graph, Vapor pressure of water is on the y-axis and temperature on the x-axis 30C cordinates with 4200 Pa of...
April 25, 2007 by Papito

CHEMISTRY
A lawn fertilizer is rated as 6.50% nitrogen, meaning 6.50 g of N in 100 g of fertilizer. The nitrogen is present in the form of urea, (NH2)2CO. How many grams of urea are present in 100 g of the fertilizer to supply the rated amount of nitrogen?
March 7, 2014 by Annie

Chemistry
14) A lawn fertilizer is rated as 7.04% nitrogen, meaning 7.04 g of N in 100 g of fertilizer. The nitrogen is present in the form of urea, (NH2)2CO. How many grams of urea are present in 100 g of the fertilizer to supply the rated amount of nitrogen?
July 1, 2014 by Luke

Chemistry
What is the emperical formula of a compound that contains 0.04moles of sodium, 0.04moles of sulphur, and 0.06moles of oxygen?
March 27, 2012 by Allwell

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