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February 6, 2016

Search: How many moles of carbon dioxide will be formed from 8.0g of methane?

Number of results: 12,068

chemistry
how many molecules of calcium are needed to produce 90.87 moles of carbon dioxide? please explain.
January 20, 2010 by alex

Chemistry
If 2.5 grams of citric acid (H3C6H5O7) reacts, how many moles of carbon dioxide will be generated?
March 5, 2014 by anonymous

Chemistry
Please help me solve this problem. I don't know how to approach this problem type. C3H8(g) + 5 O2 (g) ---- 3 CO2(g) + 4H2O(g) Conside the reaction. If you start with 7.0 moles of C3H8 (propane)and 7.0 moles O2, ________ mole(s) of carbon dioxide will be produced. Thanks for ...
November 2, 2010 by Cliff

biology- photosynthesis
There is a distinct oscillation of CO2 during each year as CO2 is added to the atmosphere each winter or removed from the atmosphere each summer. Explain what specific cellular processes lead to these changes in CO2 level. You must explain what causes CO2 to be released to the...
August 6, 2013 by alex

Astronomy
Why is the greenhouse effect on Earth not as drastic as on Venus? There is no carbon dioxide in Earths atmosphere. The oceans dissolved much of the carbon dioxide. Earth is smaller than Venus so it cant hold the gases in the atmosphere. There is more carbon dioxide in Earth...
October 27, 2015 by Sandra

Astronomy
Why is the greenhouse effect on Earth not as drastic as on Venus? -There is no carbon dioxide in Earths atmosphere. -The oceans dissolved much of the carbon dioxide. -Earth is smaller than Venus so it cant hold the gases in the atmosphere. -There is more carbon dioxide in ...
October 28, 2015 by Sandra

chemistry
Combustion of 1 mol of octane results in the formation of 8 mol of carbon dioxide (CO2) . The molar mass of octane is 114.22 g/mol, and the molar mass of carbon dioxide is 44.01 g/mol. If an engine burns 550.0 g octane as it runs, what mass of carbon dioxide is released into ...
July 17, 2013 by jack

chemistry
Combustion of 1 mol of octane results in the formation of 8 mol of carbon dioxide (CO2) . The molar mass of octane is 114.22 g/mol, and the molar mass of carbon dioxide is 44.01 g/mol. If an engine burns 550.0 g octane as it runs, what mass of carbon dioxide is released into ...
July 17, 2013 by jack

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 ...
April 12, 2009 by sarah

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 ...
April 12, 2009 by sarah

chemistry
CS2+3CO2=2SO2+CO2.HOW MANY OF SULFUR DIOXIDE CAN BE OBTAINED FROM 3.50 MOLES OF CARBON DISULFIDE?
February 10, 2011 by BOLA

Chemistry
How many moles of carbon dioxide would be produced if 25 g of copper carbonate were completely decomposed by heating?
January 30, 2013 by Nina

Chemistry
If 22 mol of benzene are completely reacted with molecular oxygen, how many moles of carbon dioxide will be produced?
February 10, 2015 by Ellie

CHEMISTRY MORE
Posted by Kim on Tuesday, October 31, 2006 at 8:11pm. I am COMPLETELY LOST for this one...dnt even know where to start MOLES 1) Lithium Hydroxide reacts with Carbon Dioxide to form solid Lithium Carbonate and Water. How many grams of carbon dioxide can be absorbed by each 1 ...
November 1, 2006 by kim

Chemistry
Methane gas burns in air to give carbon dioxide and water. a) give a chemical equation b) How can the mixture of these gases be separated b) Which gases does it mean?? Can anyone tell me.. Pleease.
May 25, 2015 by Saurav

CHEMISTRY
carbon monoxide can be prepared by the reaction of steam with methane. CH4(g) + H2O(g) = CO(g) + 3H2(g) If 10g of methane is allowed to react with 10g of steam which of the reactants would be described as limiting. What is the theoretical yield of carbon monoxide if 10g of ...
April 4, 2011 by Anonymous

CHM
Which of the following events are not examples of a chemical reaction? atoms of gold turning into atoms of iron conversion of methane, which contains carbon and hydrogen, and oxygen into carbon dioxide and water <<<? the rusting of iron in a humid atmosphere ...
January 27, 2013 by Jakey

Chemistry
A 3.43 L flask is filled with carbon monoxide at 27 C until the pressure is 8.31 atm. Calculate the total pressure after 2.09 moles of carbon dioxide has been added to the flask. (R=0.082 L-atm/K mol)
May 3, 2012 by Brandon

chemistry
A 2.30-mL sample of methane gas (density 0.112 g/cm3) was completely combusted. If the percent yield of each of the combustion products is 87.65%, calculate the actual yield in grams of carbon dioxide gas.
October 23, 2010 by gary

PHYSICS
A gas cylinder contains a mixture of carbon dioxide and oxygen, which have different molecular masses. The contents of the cylinder are in thermal equilibrium. Which of the following statements is correct? Question 1 options: A) All carbon dioxide molecules and all oxygen ...
August 16, 2011 by Maggie

Chemistry
A mixture of gases at 760.0 torr contains 35.0% nitrogen, 22.0% oxygen , and 43.0% carbon dioxide by volume. What is the pressure of the carbon dioxide gas in torr?
August 19, 2011 by Erica

biology
Which one of these occurs durning the light reactions of photosynthesis? a. carbon dioxide fixation b. g3P production c. NADPH production d. reduction in carbon dioxide
March 25, 2009 by Lesley

chemistry
How many grams of carbon dioxide can form when a mixture of 3.60 g ethylene (C2H4) and 2.70 g of oxygen is ignited, assuming complete combustion to form carbon dioxide and water?
January 25, 2012 by me

Chemistry
If 3.00 mol of calcium carbonate is heated to produce calcium oxide and carbon dioxide, how many grams of carbon dioxide gas are produced?
March 29, 2011 by John Goodroe

Chemistry
a 3.67L flask is filled with carbon monoxide at 27 degrees C until the pressure is 1.27 atm. Calculate the total pressure after 3.42 moles of carbon dioxide has been added to the flask. (R=0.082 L-atm/K mol)
April 11, 2012 by Randy

chemistry
if 5.06 g of limestone decomposes by heat to 4.25 g of calcium oxide and carbon dioxide gas,what is the mass of carbon dioxide gas produced?
February 20, 2013 by lila

Chemistry
If 20dm3 methane was burned in pure oxygen: CH4(g) + 2O2(g) arrow CO2(g) + 2H2O(l) how do I work out the volume of carbon dioxide made? And what volume of oxygen would be required? Thank you.
March 22, 2015 by Maria

Chemistry
The combustion of methane gives carbon dioxide and water. CH4 + O2 --> CO2 + H2O For state symbol of water, is it liquid state or gaseous state?
April 6, 2009 by candy

chemistry
Ethanol and carbon dioxide have approximately the same molecular weight, yet carbon dioxide is a gas at STP and ethanol is a liquid. How do you account for this difference in physical property?
October 28, 2011 by Anonymous

Chemistry
According to the balanced equation 6 moles of carbon dioxide will react with 6 moles of water to produce 1 mole of sugar and 6 moles of oxygen. What are the molar masses of the following compounds from the photosynthesis equation? CO2=___________g=1 mole H20=___________g=1 ...
February 4, 2012 by Lyssa

chemistry
I got E) for the first and couldn't figure out the other one. Can any one verify the first and help with the second?? In which of the following processes is there a decrease in the potential energy of the substances involved? A) a coil spring is compressed B) two particles of ...
January 13, 2011 by jake

chemistry
When 1.24g of an organic compound with the formula CxHyOz is burned in excess oxygen, 1.76g of carbon dioxide and 1.08g of water vapor are obtained. What is the empirical formula of the compound? Determine the moles of CO2 in 1.76grams, that will give you the moles of C in the...
August 23, 2005 by kevin

Chemistry
Calculate the moles of hexane required to form 150 g of carbon dioxide. Please show all working. Thank you.
February 12, 2012 by Megan

science
Which of the following gives off more energy than it absorbs? melting ice, burning propane in a gas heater, sublimation of carbon dioxide to carbon dioxide gas, recharging a car battery
February 19, 2013 by lidia

Chemistry
A piece of dry ice (solid carbon dioxide) with a mass of 30.5g is allowed to sublime. Assuming that all of the carbon dioxide ends up in the balloon, what will be the volume of the balloon at a temperature of 22 ∘ C and a pressure of 746mmHg?
August 15, 2013 by Anonymous

CHEM
1. How many moles of water can be made from 4 moles of oxygen gas and 16 moles of hydrogen gas? What is the limiting reagent? 2. Calculate the mass of water produced from the reaction of 24.0 g of H2 and 160.0 g of O2. What is the limiting reagent? 3. The burning of 18.0 g of...
June 1, 2008 by Anonymous

Chemistry
A compound containg 3 atoms of carbon and 8 atoms of hydrogen is combined in a reaction with oxygen molecules. The two end products of this equation are carbon dioxide (CO2) and water. What element should you look at first in balancing this equation? Is the answer a.b.c or d? ...
July 4, 2008 by Mickey

Chemistry
A compound containg 3 atoms of carbon and 8 atoms of hydrogen is combined in a reaction with oxygen molecules. The two end products of this equation are carbon dioxide (CO2) and water. What element should you look at first in balancing this equation? Is the answer a.b.c or d? ...
July 4, 2008 by MV

Chemistry
A compound containing 3 atoms of carbon and 8 atoms of hydrogen is combined in a reaction with oxygen molecules. The two end products of this equation are carbon dioxide and water. What element should you look at first in balancing this equation? A. oxygen B. Hydrogen C. ...
November 7, 2009 by William

Chemistry
What is the equilibrium concentration of carbon dioxide in water that is in contact with air at 25 C and 2.55 atm. The mole fraction of CO2 in air is 3.01 x 10-4. The Henry's law constant for carbon dioxide is 4.48 x 10-5 M/mmHg. 0.583 M 8.68E-2 M 6.72 M 2.61E-5 M 3.44E-8 M
February 5, 2012 by Heaton

Chemistry. Please :(
1. If 23.00 grams of carbon dioxide and 18.75 grams of water are formed from the combustion reaction. What is the percent yield for CO2 and H20. How much in grams of the excess reactant remains? 2. Balance the equation and determine the mass in grams of hydrogen gas produced ...
April 25, 2014 by Cassy

chemistry
(NH4)2CO3 = 2NH3 + CO2 + H2O If you have 3.5 moles of Ammonia how much carbon dioxide was also made?
April 6, 2009 by Peter

CHEM MOLES !@@!
Mole Calculation Worksheet 1) How many moles are in 15 grams of lithium? 2) How many grams are in 2.4 moles of sulfur? 3) How many moles are in 22 grams of argon? 4) How many grams are in 88.1 moles of magnesium? 5) How many moles are in 2.3 grams of phosphorus? 6) How many ...
December 16, 2014 by Theresa

biology
How does carbon dioxide emissions from factories, cars and trucks effect global warming? How does methane released from landfills and agriculture effect global warming?
April 22, 2012 by Henry

science
which two gases have been added to Earth's atmosphere in large amounts and are believed to have increased global warming by absorbing infrared radiation? 1. neon and argon 2. chlorine and nitrogen 3. hydrogen and helium 4. methane and carbon dioxide
May 28, 2011 by help

Chemistry
You use 2.80 g of NaHCO3, and determined that 2.83 g of carbon dioxide ar produced. Convert the mass of NaHCO3 to moles: Convert the mass of CO2 to moles:
February 16, 2013 by John

Chemistry
Need Help! 1. Ammonia is produced by the reaction of hydrogen and nitrogen. N2(g)+3H2(g)→2NH3(g)ammonia How many moles of N2 reacted if 0.65mole NH3 is produced? How many moles of NH3 are produced when 1.2moles H2 reacts? 2.In the acetylene torch, acetylene gas (C2H2) ...
February 28, 2015 by Jennie

chemistry
I got E) for the first and couldn't figure out the other one. Can any one verify the first and help with the second?? In which of the following processes is there a decrease in the potential energy of the substances involved? A) a coil spring is compressed B) two particles of...
January 13, 2011 by jake

science( Please Check My Answer)
Question: One of the largest cypress trees in Florida has a tree trunk diameter of about 3.5 m. What is the source of MOST of the carbon in the cypress tree's trunk? Answer choices: A. The tree created carbon during photosynthesis. B. The tree used carbon that it had stored in...
March 5, 2014 by Catarina

Chemistry
1)Ethanol is made by the fermentation of sugar. (a)Suggest a temperature for carrying out the fermentation and explain your answer. -40C(ish), ??to do with enzymes; they can't or don't work as well in other temps./controls the speed of fermentation (b)Why is it important that...
April 19, 2008 by Anonymous

chemistry
1)Ethanol is made by the fermentation of sugar. (a)Suggest a temperature for carrying out the fermentation and explain your answer. -40C(ish), ??to do with enzymes; they can't or don't work as well in other temps./controls the speed of fermentation (b)Why is it important that...
April 19, 2008 by Anonymous

CHEMISTRY
1)Ethanol is made by the fermentation of sugar. (a)Suggest a temperature for carrying out the fermentation and explain your answer. -40C(ish), ??to do with enzymes; they can't or don't work as well in other temps./controls the speed of fermentation (b)Why is it important that...
April 20, 2008 by Anonymous

chemistry
Lime water can be used to detect carbon dioxide but it cannot be used to absorb carbon dioxide. Why?
September 7, 2015 by clive

Chemistry
Cell respiration glucose is reacted wth oxygen in body to produce carbon dioxide and water how many liters of carbon dioxide would be produced if 90.0 g of glucose completely reacts with oxygen C6H12O6(s)+ 6O2(g) -> 6H2O(g) + 6CO2 (g) How many liters of carbon dioxide would...
April 22, 2015 by John

Chemistry
Cell respiration glucose is reacted wth oxygen in body to produce carbon dioxide and water how many liters of carbon dioxide would be produced if 90.0 g of glucose completely reacts with oxygen C6H12O6(s)+ 6O2(g) -> 6H2O(g) + 6CO2 (g) How many liters of carbon dioxide would...
April 22, 2015 by John

last science check
6. Which of the following pairs of words correctly completes the blanks in the sentence below? Depletion of_____ has been halted by a ban on the manufacturing of____ .. the ozone layer, chlorofluorocarbons. acid rain, carbon dioxide. fossil fuels, gasoline. global warming, ...
May 26, 2014 by me

cheistry - please help!
1)Ethanol is made by the fermentation of sugar. (a)Suggest a temperature for carrying out the fermentation and explain your answer. -40C(ish), ??to do with enzymes; they can't or don't work as well in other temps./controls the speed of fermentation (b)Why is it important that...
April 20, 2008 by Anonymous

Chemistry - please help!
1)Ethanol is made by the fermentation of sugar. (a)Suggest a temperature for carrying out the fermentation and explain your answer. -40C(ish), ??to do with enzymes; they can't or don't work as well in other temps./controls the speed of fermentation (b)Why is it important that...
April 20, 2008 by Anonymous

Science
If I have radiolabeled Carbon and I put it in Carbon Dioxide in a greenhouse, where will the carbon go? Where will it end up?
August 21, 2010 by Anonymous

10th grade chemistry
I need help on solving: How many grams of water are obtained if 487.8 grams of carbon dioxide are formed?
February 15, 2010 by Janet

chemistry
if 100g of calcium carbonate on heating produces 44g of carbon dioxide,how much calcium oxide will be formed?
January 27, 2016 by suja

chemistry.
Lithium hydroxide reacts with carbon dioxide as follow. 2LiOH + CO2________ Li2CO3 + H2O What mass (in grams) of Lithium hydroxide is need to react with 11 g of carbon dioxide?
September 28, 2009 by Richard

Science
Trees will most likely compete with one another for- A.carbon dioxide B.soil C.water D.oxygen I know trees take in carbon dioxide and release oxygen. But im not sure which is the answer. Is it C?
April 19, 2012 by Jerald

Chemistry
Cell respiration glucose is reacted wth oxygen in body to produce carbon dioxide and water how many liters of carbon dioxide would be produced if 90.0 g of glucose completely reacts with oxygen
April 22, 2015 by John

Shelled marine organisms
How do the shelled marine organisms contribute to the carbon cycle? They contribute to the carbon cycle by releasing carbon dioxide back into the atmosphere by converting carbohydrates and oxygen into carbon dioxide and water.
July 6, 2010 by Amanda

chemistry
How many Lister of Carbon Dioxide gas measured at STP can be produced by the decomposition of 15.0g of Sodium Bicarbonate to give Sodium Carbonate, water, and Carbon Dioxide gas?
May 24, 2011 by mel <3

SMK Duma
how to calculate ? when 21g of magnesium carbonate was heated , magnesium oxide produced . carbon dioxide also released. what is the volume of carbon dioxide released ?
June 5, 2012 by Nurlisa

chem
How many moles of carbon are needed to react with 525 g of hematite 2FeO3+6C->4Fe+3Co2 idk how to convert moles of fe2o3 to carbon
September 29, 2013 by Julie

chemistry
What mass of carbon dioxide can be produced from 4 moles of sodium bicarbonate according to the following unbalanced reaction, NaHCO3 --> Na2CO3 + CO2 + H2O?
January 12, 2016 by johnny

error analyze
Can you check grammatical error, word use error and sentence structure error in this text? >>>This text is text, teacher to come to find the errors. I need you help just tell the error of each part. What's there? >>>Thank you<<< What can you do to ...
April 18, 2015 by Bell

Science
A group of trees are on a hillside The trees will most likely compete with one another for- A.carbon dioxide B.soil C.water D.oxygen I think it's C I know that plants take in carbon dioxide and give out oxygen
April 19, 2012 by Jerald

chemistry
The enthalpy of combustion of carbon to carbon dioxide is -394 kJ according to the equation: C (s) + O2 (g) --> CO2 (g) How many kJ of heat are released when 24.0 g of carbon are burned in an excess of oxygen
June 11, 2011 by lo

chemistry
A 211 g sample of barium carbonate, BaCO3, reacts with a solution of nitric acid to give bar- ium nitrate, carbon dioxide and water. If the acid is present in excess, what mass and volume of dry carbon dioxide gas at STP will be produced
May 14, 2013 by myrtle

Chemistry , please !
when 21g of magnesium carbonate was heated , magnesium oxide produced . carbon dioxide also released. what is the volume of carbon dioxide released ?
June 5, 2012 by Ikram

chem
Elemental Sulfur can be formed through the combustion of Hydrogen Sulfide (found in Methane gas) give in equation H2 S +O--->S + H2 4 tell how much sulfur is made from 250 grams of methane
February 9, 2010 by nycole

Chemistry
Based on the balance equation 2C6H14+19O2 gives 12CO2+14H2O calculate the moles of CO2 formed when G moles of H2O formed
February 18, 2008 by Anonymous

chemistry
write and balance Solid aluminum carbonate decomposes to form solid aluminum oxide and carbon dioxide and carbon dioxide gas
March 27, 2013 by tamara

CHemistry
Butane, , is a component of natural gas that is used as fuel for cigarette lighters.At 1.00 and 23 , how many liters of carbon dioxide are formed by the combustion of 1.00 of butane?
September 21, 2008 by George

chemistry
elemental sulfur can bea formed through the combustion of hydrogen sulfide (found in methane gas) carve in equation; H2 S +O2----S + H2 4 tell how much sulfur is made from 250 grams of methane
February 9, 2010 by nycole

Chemistry Help!
If 100 grams of KClO3 are heated to form KCl and O2 according to the equation KClO3 KCl + O2 (Hint: You need to balance the equation) a. How many moles of KClO3 reacted? b. How many moles of KCl are formed? c. How many grams of KCl are formed? d. how many moles of O2 are ...
February 12, 2013 by Allison

chemistry
Consider the following unbalanced reaction: Fe2O3 (s) + CO (g) --> Fe (s) + CO2 (g) How many moles of carbon dioxide are produced per mole of iron (III) oxide reacted.
September 20, 2011 by Jack

science
A scientist collects a sample of carbon dioxide that contains 25 moles of CO2. In grams, what is the mass of the sample?
December 20, 2012 by cristiano

CHemiStry!
Select all ionic compounds in which the number of anions present is two. carbon dioxide X manganese(II) hydroxide mercury(II) carbonate X mercury(II) phosphate ammonia sulfur dioxide Hello, I know manganese(II) hydroxide mercury(II) phosphate both have two anions, however I am...
May 7, 2010 by ChEm

chemistry
1. Calculate the volume of carbon dioxide at 273 K and 1.01 * 10^5 Pa which would be produced when 1.25g of calcium carbonate reacts completely with HCL. and 2. When 41.18 cm^3 of a solution of silver ions with concentration of .2040 mol dm^-3 is added to a solution of XO4 -3 ...
May 19, 2008 by ANn

applying stoichiometry
Propane (C3H8) + oxygen------> carbon dioxide + water how many grams of carbon dioxide are produced from the reaction of 35.2 grams of propane?
February 5, 2012 by danielle

chemistry help
When carbon dixode and carbon react the balanced equation is Co2+C--------------2Cq Calculate the mass of carbon monoxide formed from 4.4g of carbon dixode
March 3, 2015 by Victoria

Chemistry
#6. If 10.0g of Aluminum carbonate(s) decomposes to produce aluminum oxide(s) and carbon dioxide(g), how many grams of CO2(g) are formed? If 5.00g is recovered experimentally what is the % yield?
January 13, 2015 by Jefferson

chemistry
lithium oxide is an effective absorber of carbon dioxide and can be used to purify air in confined areas such as space vehicles. what volume of carbon dioxide can be absorbed by 1.00 kg of lithium oxide at 25 degrees C and 1.00atm? Li2O(aq) +CO2(g) -> Li2Co3(s)
November 2, 2014 by !

chemistry
Gasahol is a fuel containing ethanol(C2H6O) that burns in oxygen (O2)to give carbon dioxide and water. a)How many moles of O2 are needed to completely react with 4.0 moles of C2H60? b) If a car produces 88g of CO2,how many grams of O2 are used up in the reaction? c)If you add ...
March 17, 2011 by Connie

chemistry
when calcium carbonate, caco3(s) is heated, it decomposes to form calcium oxide, cao(s) and carbon dioxide gas. how many liters of carbon dioxide will be produced at stp if 2.38 kg of calcium carbonate reacts completely?
May 7, 2015 by Anonymous

chemistry 1
When heated, calcium carbonate decomposes to yield calcium oxide and carbon dioxide gas via the reaction How many grams of calcium carbonate are needed to produce 49.0 of carbon dioxide at STP?
May 2, 2010 by safwan hakim

chemistry
The combustion of propane is given by the following reaction: C3H8 (g) + 5 O2 (g) ---> 3 CO2 (g) + 4 H2O (g) If 5.00 L of propane are burned in in the presence of excess O2, how many liters of carbon dioxide will be formed?
April 29, 2012 by zarmeen

Chemistry
When heated, calcium carbonate decomposes to yield calcium oxide and carbon dioxide gas. How many grams of calcium carbonate are needed to produce 81.0 of carbon dioxide at STP? Is the asnwer 80.95
September 21, 2008 by George

ap chemistry
Carbon monoxide reacts with oxygen to form carbon dioxide by the following reaction: 2CO + O2 yields 2CO2 Delta H for this reaction is -135.28 kcal. If 811.7 kcal is released, how many moles of CO must have reacted? 1). 270.5 mol 2). 40.5 mol 3). 12.0 mol 4). 5.41 mol 5). 16.3...
October 18, 2012 by bob

AP Chemistry
Carbon monoxide reacts with oxygen to form carbon dioxide by the following reaction: 2CO(g) + O2(g) --> 2CO2(g) change in H for this reaction is −135.28 kcal. If 811.7 kcal is released, how many moles of CO must have reacted? 1. 16.3 mol 2. 40.5 mol 3. 12.0 mol 4. 5....
September 29, 2013 by Anonymous

chem
What volume of carbon dioxide gas (at STP) is produced when 1.01 moles of oxygen gas react completely? 2CO + O2 -> 2CO2
November 10, 2013 by Dakota

chemistry
Calculate the number of moles volume number of molecules of carbon dioxide liberated when 200 grams of limestone decomposed .
June 11, 2015 by Anonymous

chemistry
Calculate the number of moles volume number of molecules of carbon dioxide liberated when 200 grams of limestone decomposed .
June 11, 2015 by Anonymous

Chemistry
(a) The total mass of carbon contained in fossil fuels that was burned in the world from 1750 to 2000 was estimated to be 2.9 x E14 kg C. The amound of carbon released as carbon dioxide from agricultural expansion and deforestation over this period is estimated to be 1.3 x E14...
April 13, 2010 by Anonymous

Science
Effects of global warming due to methane gases from land fills and animals? Effects of global warming due to carbon dioxide from cars and factories?
April 22, 2012 by Henry

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