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February 12, 2016

Search: how many grams of O2 are consumed..

Number of results: 7,626

physics
Two metal disks are taped to a meterstick. The mass of the meterstick is 460 grams. Disk 1 has a mass of 300 grams and is located at the 28 cm mark. Disk 2 has a mass of 500 grams and is located at the 64 cm mark. At what posi- tion along the meterstick should you place a ...
November 6, 2008 by Sandhya

Chemistry
How many moles of hydrogen are consumed when 40.0 L of hydrogen chloride gas are produced in the following equation? H2(g) + Cl2(g) 2 HCl(g)
November 14, 2010 by Kiesha

chemistry-stoichiometry
If 5 moles of ammonia is produced in the reaction N2 + 3 H2 2 NH3, the number of hydrogen moles consumed is ____?
December 14, 2011 by caity

Physics
(True or False) One Kilowatt-hour is equal to the energy consumed by an electric device of 1 W for 1 hour
March 27, 2012 by MM

statistics
The data below represents the amount of grams of carbohydrates in a sample serving of breakfast cereal. 10 18 24 30 19 22 24 20 18 25 20 22 19 The variance for this data would be __________ grams.
February 9, 2010 by iyra

Chemistry
A single mole of AgNo3 weighs 169.88 grams. In order to make a 1M solution, how many grams of AgNo3 would need to be dissolved in 5oomL?
November 2, 2010 by Jazz

Chemistry
how do I write out this problem? How many grams of lithium metal would be produced if 0.500 grams of magnesium was added to a solution of lithium chloride
November 30, 2010 by Tosha

chemistry
a mixture of 1.00 grams hydrogen gas and 1.00 grams helium is placed in a 1.00 L container at 27 degrees cesius. Calculate the partial pressure and total pressure
February 1, 2011 by Anonymous

chemistry
In the following reaction, how many grams of chlorine can be produced if 120 grams of titanium chloride (TiCl4) reacts with oxygen: TiCl4(g) + O2(g) TiO2(s) + Cl2(g)
February 18, 2012 by salem girl

Chemistry
When MoO3 and Zn are heated together they react 3Zn(s)+2MoO3(s) --> Mo2O3(s)+3ZnO(s) What mass of ZnO is formed when 20.0 grams of MoO3 is reacted with 10.0 grams of Zn?
March 8, 2012 by Sarah

Chemistry
25.0 grams of ammonium sulfide reacts with 25.0 grams of copper nitrate A) which reactant is limiting B) how much of the Excess reactant remains C) what is the theoratical yield
March 21, 2012 by Kira hughes

physics
How many grams of KOH are required to neutralized 300ml of 5.0 N HN03 solution? final answer nyan 84 grams kailangan nalang namen ng solution
April 10, 2012 by jhon earl

science
A single mole of AgNO3 weighs 169.88 grams. In order to make a 1M solution, how many grams of AgNO3 would need to be dissolved in 1 liter?
July 11, 2012 by yoly

AP Chemistry
The reaction of 8.7 grams of fluorine with excess chlorine produced 3.9 grams of ClF3. What percent yield of ClF3 was obtained? Answer in units of %
September 3, 2012 by Rafael

AP Chemistry
The reaction of 8.7 grams of fluorine with excess chlorine produced 3.9 grams of ClF3. What percent yield of ClF3 was obtained? Answer in units of %
September 4, 2012 by Rafael

Chemistry
A protein has a molecular weight of 98,300 grams/ mole. What will be the osmotic pressure if 0.128 grams of this protein I dissolved in 15.0 ml of water at 20 degrees calcias?
December 17, 2012 by Nad

Chemistry
Question 2 Marks: 2 How many grams of oxygen gas must react to give 174.3 grams of ZnO according to the balanced equation. 2 Zn(s) + O2(aq) --> 2 ZnO(s)
March 18, 2013 by Lindt

Chemistry
Question 2 Marks: 2 How many grams of oxygen gas must react to give 174.3 grams of ZnO according to the balanced equation. 2 Zn(s) + O2(aq) --> 2 ZnO(s)
March 18, 2013 by Lindt

Chemistry
Question 2 Marks: 2 How many grams of oxygen gas must react to give 174.3 grams of ZnO according to the balanced equation. 2 Zn(s) + O2(aq) --> 2 ZnO(s)
March 18, 2013 by Lindt

Chem.. stoichiometry
How many grams of H2 would be formed if 34 grams of carbon reacted with an unlimited amount of H2O? The reaction is: C + H2O → CO + H2 Is this equation balanced?
May 3, 2013 by Jenna Woodruff

MSJH
When heated, elemental phosphorus, P4, produces phosphine, PH3, and phosphoric acid, H3PO4. How many grams of phosphine are produced if 56 grams of P4 have reacted?
May 10, 2013 by MS

chemistry
When heated, elemental phosphorus, P4, produces phosphine, PH3, and phosphoric acid, H3PO4. How many grams of phosphine are produced if 56 grams of P4 have react
May 10, 2013 by ms

Chemistry
1. Nitric acid is produced via the following equation: 3 NO2 + H2O = 2HNO3 + NO. How many grams of NO2 are required to produce 7.5 grams of HNO3?
June 17, 2014 by Brett

Science
Ethanol has a density of 0.789 grams per centimeter ubed. How many cubic centimeters of ethanol must be poured into a graduatedcylinder to equal 30.3 grams?
October 4, 2009 by Wanda

Chemistry
Can you determine the mass of carbon monxide that is produced when 45.6 grams of methane reacts with 73.2 grams of oxygen gas. Can you please show work in detail please. Thanks
March 25, 2010 by Stacey

Chemistry
determine the mass of carbon monxide that is produced when 45.6 grams of methane reacts with 73.2 grams of oxygen gas. Can you please show work in detail please. Thanks
March 25, 2010 by Stacey

chemistry
how many grams of AgNO3 would need to be dissolved in 1 liter, 500mL, and 100mL in order to make a 1M solution? need to show work and answers are in grams....????
July 16, 2010 by al

Chemistry
In an experiment, 3.545 grams of an unknown nonelectrolyte is dissolved in 15.0 grams of water. The extrapolated freezing point is -.56 degrees C. What is the molecular weight of the unknown material?
November 22, 2010 by Cerra

chemistry
Rachel adds together 450.9g of a 22.0% solution of potassium carbonate and 275 grams of a 5.57m solution of Barium chlorate. How many grams of precipitate does she produce?
May 22, 2011 by guadalope

Pre Calculus
Exponential growth and decay find the half life of a radioactive substance if 220 grams of the substance decays to 200 grams in 4 years?
October 25, 2011 by Josh

Chemistry
How many grams of NaCl should be added to 1 L of water to make an isotonic solution? (molecular weight of NaCl= 58.5) Can someone please explain to me why the answer is 9 grams.
January 30, 2012 by Jon

Chemistry
Hello everyone I need your help at once. How many grams of CO2 are needed to neutralize a 5 L tank of water with a pH of 11.5? my answer is around 220 grams of CO2. is that true or not?
April 13, 2014 by Ramtin

Chemistry
A butane lighter had a mass of 24.643 grams before lighting and a mass of 24.592 grams after. How many mL of CO2 were produced? Assume STP.
June 9, 2014 by Heidi

Chem Help Please Urgent!!!!!!
What is the boiling point of a solution of 0.515 grams of acenaphthene (C12H10) in 15 grams chloroform (CHCl3) given pure chloroform has a b.p. of 61.7 C and a Kbp of +3.63 C. Thanks!
September 12, 2014 by Kim

chemsistry
If one pound (454g) of hexane combusts with 185 grams of oxygen which reactant is the limiting reactant and how many grams of carbon dioxide are produced? how do I do this? How do I set it up?
March 31, 2015 by sarah

science
what is the karat count of gold in a bracelet that contains 15 grams of gold and 5 grams of silver
May 13, 2008 by demarco

Chemistry
N_2+3H_2-->2NH_3 How many grams of H_2 are needed to react with 3.20 grams of N_2
October 23, 2010 by Doug

chemistry
if you start with ten grams of lithium hydroxidr, how many grams of lithium bromide will be produced
April 3, 2011 by mary

chemistry
How many grams of sodium cyanide would be required to make 55 grams of sodium sulfate?
May 15, 2011 by Sabrina

Chemistry
what is my percent yield if i had 1.46 grams of copper to start with and ended with 2. 47 grams of copper?
June 14, 2011 by megan

Chemistry
If the theoretical yield of a reaction is 18.6 grams & 7.6 grams were collected the.experiment, what is the percent yield
November 5, 2012 by B

Science
How many grams of oxygen gas would be needed to react with 75 grams of hydrogen gas
January 8, 2013 by Tammy

chemistry
how many grams of copper is displaced from copper sulphate solution by adding 27 grams of aluminium
June 27, 2013 by amish

Chemistry
How many grams of NaCl are present in a 300 grams salt solution containing 9% NaCl ?
November 6, 2013 by Angelica

chemistry
Given the balanced equation: C2H4 + 3O2 2CO2 + 2H2O How many liters of CO2 are produced when 15 liters of O2 are consumed?
July 13, 2010 by Dillon

Chemistry
If 3.0 moles of HCl are consumed in the reaction below, how many moles of FeCl3 are produced? 6HCl + Fe2O3 --> 2FeCl3 + 3H2O
January 4, 2011 by Ashley

physics
calculate the energy consumed by a computer(150 W) that is used for 2.0 hours and a laser(250 W) that is used for 10 min? Answer is 1.2 Mj
July 10, 2013 by justin

Algebra 1
Please...I really need help with this story problem. HELP! Marks pet needs to eat at least 18 grams of fiber but less than 25 grams of protein each day. Mark gives his dog Food A and Food B throughout the day. Food A has 2 grams of fiber and 3 grams of protein in each serving...
January 15, 2012 by Deb

General Chemistry
how many grams of a protein weighing 4500 grams/ mol must be present in 100 ml of water solution to a given osmotic pressure of 18 mm hg at 25 degrees celcius...( use formula of pie = Mrt
December 11, 2010 by Sarah

Nursing School
how many grams of lithium hydroxide are needed to remove 4500 grams carbon dioxide by a submarine atmospheric regulator and acts according to the following formula? 2LiOh+CO2>Li2CO3+H2O
June 21, 2011 by Kenzie

chemistry
Combustion analysis, Empirical and Molecular formulas, help!? When 2.686 grams of a hydrocarbon, CxHy, were burned in a combustion analysis apparatus, 9.224 grams of CO2 and 1.511 grams of H2O were produced. In a separate experiment, the molar mass of the compound was found to...
September 7, 2011 by Sazon

Chemistry honors
20 grams magnesium metal react with excess oxygen and 28 grams of magnesium oxide are produced in lab what is percent yield? If 99.8 g of aluminum nitrate are reacted with excess sulfuric acid what would be the theoretical yield in grams of aluminum sulfate? i have done both ...
December 4, 2014 by lynn

chem
Forty-two grams of benzoic acid is treated with concentrated nitric acid in some sulfuric acid. Forty-two grams of the major expected organic product is isolated. What is the percentage yield for this experiment? Give an equation with structural formulas for the major reaction...
August 6, 2007 by Damon

Chemistry
2HCl+Na2SO4--->2NaCl+H2O, If you start with 20 grams of hydrochloric acid, how many grams of sulfuric acid will be produced? Round to the nearest tenth. Don't forget the units
August 5, 2010 by Jarred

Chemistry
Suppose you tried to combine 42 grams of magnesium with 45 grams of oxygen. Which of the two substances would be left after the reaction? How much magnesium oxide will be formed?
October 3, 2010 by Chris

chemistry
If 45.3 grams of aluminum react with an excess of oxygen, as shown in the balanced chemical equation below, how many grams of aluminum oxide can be formed? 4Al + 3O2 2Al2O3
October 18, 2011 by Anonymous

chemistry
Calculate the residence time of sodium in millions of years if the total amount of sodium in the oceans is 1.5 x 10 to the 22 grams, and is supplied to the ocean at a rate of 2.2 x 10 to the 14 grams per year.
June 17, 2012 by Dewayne

chemistry
How many grams of phosphoric acid can be made from 200 g of dichromate and 150 grams of hypophosphorous acid? (Performed in an acidic solution, Chromium III is one of the products)
October 10, 2012 by Rae

Chemistry
How to figure out half-lives Half-live of Indium-116 is 14 seconds. How long will it take for 32 grams of this istotopw to decay to 1.0 grams. I know the answer is 70seconds but do not know how to get it!
December 12, 2012 by Anonymous

chemistry
a mixture of 100 grams of water is mixed with 100 grams of sodium nitrate at 30 degrees celcius if filtered how much salt would be left behind
June 1, 2013 by Jesica

chem 1211
P2 +3H2=2ph3 How many grams of ph3 can be formed when 37.5 grams of p2 and 83 L of h2 gas are reacted at 1 atm and 273.25 K? I really need a step by step of this problem. Thanks in advance!
October 21, 2013 by Sara

Chemistry
A compound is known to be a cesium halide, CsX. If 3.00 grams of the salt is dissolved in exactly 100.0 grams of water, the solution freezes at -0.735C. What is the chemical formula for the salt?
February 20, 2014 by Susy, PLEASE HELP

Chem 130
How many grams of magnesium chloride should be produced by the single displacement reaction between 0.578 grams of magnesium metal and an excess hydrochloric acid?
October 29, 2014 by michelle

Physics
A natural gas power plant burns natural gas to produce electricity. In one second it produces 500 MJ of electrical potential energy. The power plant consumes chemical energy in order to produce electrical potential energy. --In one second does it consume 500 MJ of chemical ...
December 9, 2015 by Daniel

Chemistry
When 0.340 mol of butane, C4H10, are burned with excess oxygen giving CO2 and H2O, how many moles of oxygen are consumed?
September 9, 2011 by Aha

Chemistry
an empty flask as a mass of 123.4 grams. When the flask is filled with water, the mass is 211.6 grams. If 10.0 grams of zinc (d=7.14 g/cm3) are added to the flask filled with water (and the sides of the flask are dried from the displaced water) what is the new mass of the flask?
August 27, 2015 by Hannah

chem
a test tube containing CaCo3 is heated until all the compound decomposes. If the test tube plus calcium carbonate originally weighed 30.08 grams and the loss of mass during the experiment is 4.40 grams, what was the mass of the empty test tube? Write the equation. CaCO3 ==>...
April 15, 2007 by laura

Chemistry
Heres the question: "In determining the simplest formula of lead sulfide, 2.46 grams of lead are placed in a crucible with 2.00 grams of sulfur. When the reaction is complete, the product has a mass of 3.22 grams. What mass of sulfur should be used to in the simplest forumla ...
July 16, 2008 by Tran

Chem
In an experiment 16.81 +/- 0.02 grams of hydrogen peroxide chemically decomposes into the products water and oxygen gas. The measured mass of oxygen gas produced in the reaction is 8.854 +/- 0.003 grams. Report the mass of water produced to the correct number of significant ...
February 8, 2008 by CHEM HELP!

Chem
In an experiment 16.81 +/- 0.02 grams of hydrogen peroxide chemically decomposes into the products water and oxygen gas. The measured mass of oxygen gas produced in the reaction is 8.854 +/- 0.003 grams. Report the mass of water produced to the correct number of significant ...
February 8, 2008 by Chem Help!!

college chemistry
Copper(II) sulfide reacts with oxygen to produce copper (II) oxide plus sulfur dioxide. Suppose you start this reaction with 50.0 grams of copper(II) sulfide and 50.0 grams of oxygen and you actually produce 33.5 grams of copper(II) oxide. Calculate the percent yield for the ...
March 5, 2014 by steven

Chemistry
Which radioactive sample would contain the greatest remaining mass of the radioactive isotope after 10 years? A. 2.0 grams of 198 Au B. 2.0 grams of 42 K C. 4.0 grams of 32 P D. 4.0 grams of 60 Co By the way the numbers next to the elements are their atomic masses. thanks ...
March 3, 2007 by Sanjay

Chemistry
I blanked how to solve this: How many grams of carbon dioxide are produced when 2.5 grams of sodium bicarbonate reacts with excess citric acid according to: 3NaHCO3+H3C6H5O7 -> Na3C6H5O7+3CO2+3H2O Could you include the steps, please? Thanks.
June 15, 2011 by Jillian

Physical Science
Ok, I just want to make sure I am doing this right. It says mass= 3800grams. Silvers density is 10 grams/cm^3. How much will volume of water with silver displace in cm^3? So would it be 3800g/10g= 380 grams? or is that wrong?
September 17, 2014 by Belle

Chemistry
When 0.100 mol of carbon is burned in a close vessel with 8.00g of oxygen, how many grams of carbon dioxide can form? Which reactant is in excess, and how many grams of it remain after the reaction?
September 27, 2009 by Jasmine

Chemistry
When 0.100 mol of carbon is burned in a close vessel with 8.00g of oxygen, how many grams of carbon dioxide can form? Which reactant is in excess, and how many grams of it remain after the reaction?
September 29, 2009 by Jasmine

Chemistry
If you start with ten grams of lithium hydroxide, how many grams of lithium bromide will be produced? Round to the nearest tenth. Don't forget the units.LiOH+HBr--->LiBr+H2O
August 5, 2010 by Jarred

Chemistry
How many grams of BaSO4 can dissolve in 1.5 L of a 0.010 M solution of Na2SO4? Ksp= 1.1 x 10^-10 I thought the answer was 1.1x10^-8 M then multiply by the molar mass to get the amount of grams but my answer isn't correct. PLEASE HELP!
December 4, 2010 by Maddie

chem
What is the percent yield for a reaction when 166.3 grams of W2O3 combines with Carbon Monoxide but only produces 147.8 grams of W? chemical equation is W2O3+3CO------>2W+3CO2
October 26, 2012 by Carina 78

chem 110
when1.015 grams of calcium carbonate is reaced with 20.440 grams of hydrochloric acid the resulting mass is 21.128grams. what mass of gaseous product was released.
December 16, 2013 by chem 110

Chemistry
A strip of zinc medal weighing 2.00 grams is placed in an aqueous solution containing 150.ml of .750M Tin(II) nitrate. Determine the grams of tin metal that will be precipitated.
January 13, 2015 by Jefferson

Chem
When a piece of Copper weighing 250 grams is placed in a cup with 450 ml of water at 21OC and the Cp of the cup is 47 J/K, how many grams of gasoline would it take to heat the system to 110OC?
July 21, 2015 by Jessica

chem
how many grams of hydrogen chloride is needed to produce 200 grams of hydrogen
January 11, 2011 by ashley

chemistry
How many grams of magnesium oxide are produced when 40 grams of oxygen react with magnesium
May 8, 2011 by jordan

Chemistry
How many grams of NH3 can be produced from 3.26 moles of N2? How many grams of H2 are needed to produce 13.99 g of NH3?
November 6, 2011 by Natalie

chemistry
How many grams of magnesium metal are produced by the decomposition of 19 grams of magnesium chloride?
February 6, 2012 by nate

chemistry
How many grams of CuSO4 are there in 219 grams of an aqueous solution that is 20.2% by weight CuSO4
April 13, 2012 by Jeanne

Chemistry
The solubility of AlCl(3) is 46.6 grams in 100 mL in water. How many grams of AlCl(3) will dissolve in 1.68 L?
May 20, 2012 by Sharmin

Chemistry
The solubility of AlCl(3) is 46.6 grams in 100 mL in water. How many grams of AlCl(3) will dissolve in 1.68 L?
May 20, 2012 by Sharmin

chemistry
4 P + 5 O2 ==> P4O10 If you have 24.98 grams of P and 74.99 grams of O2, how many moles of each compound do you have present?
January 30, 2013 by will.i.am

Chemistry
How many grams of calcium carbonate are required to prepare for 50.0 grams of calcium oxide
June 2, 2013 by Diamond

science
how would 10 grams of helium be different that 10 grams of helium in a sealed container.
December 9, 2013 by jaylon

Science
How many grams of sucrose are dissolved in 400 grams of a 12% ogueaus solution of sucrose?
July 7, 2014 by Araceli

chemistry
How many grams of NaOH are there in 187 grams of an aqueous solution that is 7.06 % by weight NaOH.
August 21, 2014 by jb

chemistry
How many grams of NiI2 are there in 263 grams of an aqueous solution that is 33.5 % by weight NiI2.
August 21, 2014 by jb

Chemistry
How many grams silver is added to 13 grams gold to produce 85% gold alloy?
September 25, 2015 by Anonymous

Chemistry
How many grams silver is added to 13 grams gold to produce 85% gold alloy?
September 25, 2015 by Anonymous

Chemistry
How many grams silver is added to 13 grams gold to produce 85% gold alloy?
September 25, 2015 by Brenna

chemistry
Copper(II) sulfide reacts with oxygen to produce copper (II) oxide plus sulfur dioxide. Suppose you start this reaction with 50.0 grams of copper(II) sulfide and 50.0 grams of oxygen and you actually produce 33.5 grams of copper(II) oxide. Calculate the percent yield for the ...
March 5, 2014 by steven

chemistry(DrBob222)
did you read my previous post? I just want to mke sure understand what the answer is I think it's 1.11 No, the answer is 2.22 grams. 1.11 is the number of mols H2 which you calculated correctly. Then you converted 1.11 mols to grams by 1.11 mols H2 x molar mass H2 = 1.11 mols ...
May 15, 2007 by mike

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