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July 22, 2014

Search: Sodium reacts with oxygen. Express your answer as a chemical equation. Identify all of the phases in your answer

Number of results: 53,404

Chemistry
Oxygen reacts 1:2 with sodium and is a colourless gas; chlorine reacts 1:1 with sodium and is a yellow gas; neon does not reacts with sodium and is a colourless gas. Suppose that a new element , pretendium, has been dicovered, and it is noted that this element reacts 1:1 with ...
September 13, 2010 by Anonymous

Chemistry
Oxygen reacts 1:2 with sodium and is a colourless gas; chlorine reacts 1:1 with sodium and is a yellow gas; neon does not reacts with sodium and is a colourless gas. Suppose that a new element , pretendium, has been dicovered, and it is noted that this element reacts 1:1 with ...
September 14, 2010 by Anonymous

Chemistry
Write a balanced equation using the correct formulas and include conditions (s,l,g or aq) for each of the following reactions. 1)Carbon monoxide gas reacts oxygen gas to produce carbon dioxide gas. Express your answer as a chemical equation. Identify all of the phases in your ...
November 14, 2010 by TMV

Chemisry
Write a balanced equation using the correct formulas and include conditions (s,l,g or aq) for each of the following reactions. 1)Carbon monoxide gas reacts oxygen gas to produce carbon dioxide gas. Express your answer as a chemical equation. Identify all of the phases in your ...
November 14, 2010 by TMV

Chemistry Balancing Equations
I really need help with balancing these equations: PLEASE HELP!! 1. Sodium Hydrogen Sulfite reacts with hydrochloric acid to produce sulfur dioxide gas, water and sodium chloride 2. Sodium nitrate reacts with hydrochloric acid to produce nitrogen monoxide gas, water sodium ...
March 14, 2011 by Anonymous

chemistry
What happens when : (give balanced chemical equations only) 1. Caustic soda reacts with carbon dioxide 2.caustic soda reacts with zinc hydroxide 3.potassium reacts with oxygen 4.sodium carbonate is fused with silicon dioxide 5. when bleaching powder reacts with hydrochloric acid
March 10, 2010 by paula

Are my answers correct? Chem
I really need help with balancing these equations: Can you check if my answer are correct? Please 1. Sodium Hydrogen Sulfite reacts with hydrochloric acid to produce sulfur dioxide gas, water and sodium chloride NaHSO3 + HCl = SO2 + H2O + NaCl 2. Sodium nitrate reacts with ...
March 14, 2011 by Anonymous

science
Will you please check a few more? Physical change, chemical change or both kinds of change? 1. Sodium hydroxide dissolves in water (both) 2. Hydrochloric acid reacts with sodium hydroxide to produce a salt, water and heat (chemical) 3. A pellet of sodium is sliced in two (...
September 12, 2012 by Reed

Chemistry
Nitric acid is a component of acid rain that forms when gaseous nitrogen dioxide pollutant reacts with gaseous oxygen and liquid water to form aqueous nitric acid. Write a balanced chemical equation for this reaction. Express your answer as a chemical equation. Identify all of...
October 15, 2010 by Lisa

Chemistry Balancing Equations
Can you please tell me if these are correct? 1. Sodium Hydrogen Sulfite reacts with hydrochloric acid to produce sulfur dioxide gas, water and sodium chloride NaHSO3 + HCl -----> SO2 + H2O + NaCl 2. Sodium nitrate reacts with hydrochloric acid to produce nitrogen monoxide ...
March 14, 2011 by Anonymous

science
Are the following data sets on chemical changes consistent with the law of conservation of mass? (a) A 15.0 g sample of sodium completely reacts with 19.6 g of chlorine to form 34.6 g of sodium chloride. the answer is yes, because 15 and 19.6 add up to 34.6 right?
September 9, 2010 by reid

chemistry
Write a balanced chemical equation for the reaction that occurs when Mg(s)reacts with Cl2(g). Express your answer as a balanced chemical equation. Identify all of the phases in your answer.
September 25, 2011 by Anonymous

chemistry
sodium reacts completely with 0.142kg of chlorine, forming 234g of sodium chloride. What mass of sodium reacted? I know that for chemical changes the amounts should end up being equal, but I don't know how to set up the problem.
September 17, 2010 by will

chemistry
Sodium (Na) metal undergoes a chemical reaction with chlorine (Cl) gas to yield sodium Cl, or common table salt. If 1.00 g of sodium reacts with 1.54 g of chlorine, 2.54 g of sodium chloride is formed and 17.9 kJ of heat is released. How much sodium and how much chlorine is ...
September 4, 2012 by Ashley

Chemistry
I need help classifying these as physical and chemical properties! 1. sodium metal in chlorine gas releases luster. 2. sodium metal has a metallic silver luster. 3. sodium metal in water porduces hydrogen gas. 4. sodium metal melts to a liquid at 98 degrees. 5. sodium metal ...
March 1, 2011 by Emily Grossman

Chemistry
what mass in grams of sodium hydroxide is produced if 20.0g of sodium metal reacts with excess water according ro the chemical equation, Na(s)+H2O4->naoh(aq)+h2(g)
March 10, 2013 by Fatima

Chemistry
Write a formula for the ionic compound that forms between each of the following pairs of elements. 1. aluminum and oxygen Express your answer as a chemical formula. AlO and Al2O3 and Al2O3 the 2 was the bottom right cornor and I got this message Use subscripts to represent the...
October 15, 2010 by Lisa

chem
At hihg temperatures Sodium chlorate decomposes to form Sodium Chloride and Oxygen gas. A 0.8765 gram sample of sodium chlorate was heated until the reaction ended when Oxygen gas production was ceased. The Oxygen gas collected over water occupied 57.2 ml at temperature of 295...
March 16, 2008 by Anonymous

MSU
aluminum sulfate and sodium phosphate Express your answer as chemical equation.
October 6, 2011 by Sarah

Chemistry
When burning a Magnesium Ribbon, would the color (the white dust) that it changed to be a chemical change? Or how about the spark it makes (I am just in basic chemistry, so that spark might be counted as a chemical change)? So far I got from the help for Drbob: 1.Reacts with ...
January 29, 2009 by Chopsticks

CHEM Help!
My homework is about translating word equations and I need help in answering this question. Sodium phosphate reacts with calcium nitrate to produce sodium nitrate and calcium phosphate. What would be the answer? I also need help with this other question because it is kind of ...
March 11, 2008 by Anony

Chemistry
Calculate the mass of sodium chloride (NaCl) produced when 5.50 moles of solid sodium reacts in excess chlorine gas. (Hint: Start by writing a balanced chemical equation) Please help me understand HOW to solve this problem.
May 27, 2009 by Ryan

Science
which is a chemical property of aluminum a- melting point is 660c b- boiling point is 2519c c- does not dissolve in water d- reacts with oxygen My answer is D
February 9, 2014 by Steve

chemistry
Tin metal is heated with oxygen gas to yield tin(IV) oxide. Express your answer as a chemical equation. Identify all of the phases in your answer
October 5, 2011 by aby

Chemistry
1. Hydrogen gas combines with oxygen gas to yield water. if 15 g O2 is present in the reaction, compute how much water will be produced. 2. Ten (10)grams methane gas combines with oxygen gas to form water and carbon dioxide. How much water is produced from the given reaction? ...
August 28, 2013 by Matt

chemistry
Classify the following properties of ozones as physical or chemical: 1.bluish color 2.pungent odor 3.reactive towards oxygen 4.decomposes to oxygen on exposure to ultraviolet light 5.it is a gas Is this correct? 1.chemical 2.physical 3.chemical 4.chemical 5.phsical
February 20, 2008 by lizzie

chemistry
iron+sulphur together are a mixture of small grains yellow and dark grey.Its chemical symbol is 'Fe + S'.When it reacts with oxygen they create a new chemical substance; Iron Sulphide. What do you put for 'explain the reaction using the Big Idea of Energy? :S HELP xxx
April 10, 2011 by jess

chemistry
What mass in grams of sodium hydroxide is produced if 20.0 g of sodium metal reacts with excess water according to the chemical equation 2Na(s)+2H20(l)=2NaOH(aq)+H2(g)? Please show me step by step how to do this because I have 5 other questions like this one on a worksheet and...
April 17, 2008 by Chris

physical science
When iron metal reacts with oxygen, the reaction can form Fe2O3. Write a balanced chemical equation for this reaction, and find the number of moles of oxygen that are needed to form 6 mol of Fe2O3. Show your work.
January 7, 2013 by Megan

Chemistry balancing equations
Translate each of the following reactions into complete balanced chemical equations using international symbols & include states of matter at SATP. Assume pure states of matter unless otherwise indicated. I really need help with this stuff please. 1. The reaction of magnesium ...
December 2, 2011 by Fizzylicous

11th grade
what is the chemical reaction equation for : Hydrogen sulfite reacts with oxygen to form sulfur dioxide and water vapour.
May 24, 2010 by Cats

chemistry
express liquid pentanol and gaseous oxygen as a chemical reaction
October 8, 2010 by bob

chemistry
In the formation of acid rain, sulfur dioxide reacts with oxygen and water in the air to form sulfuric acid. Write the balanced chemical equation for the reaction. (Type your answer using the format CH4 for CH4.)
February 2, 2012 by skyler

chemistry
write a balanced equation for photosynthesis. express the answer as a chemical equation. identify all of the phases in the answer. during photosynthesis, plants use energy from sunlight to form glucose (C6H12O6(s)) and oxygen from carbon dioxide and water
October 25, 2011 by jen

plz help now, chemistry
How do you write chemical formulas? For example how so you right a chemical formula for calcium fuoride? Calcium flouride would be CaF2 This is because .. Calcium symbol - Ca Flourine symbol - F you would write CaF BUT you must consider charges calcium has a 2+ charge and ...
December 21, 2006 by Beautiful

Chemistry
Methyl linoleate is one of the common components of biodiesel. As an alternative fuel, Methyl linoleate reacts completely with oxygen (O2) to make carbon dioxide and water. Balance the chemical equation. How many kilograms of oxygen are required to react with a gallon of ...
May 19, 2011 by Shell

Chemistry
write the following chemical equation for this equation In water,iron (III) chlroide reacts with sodium hydroxide, producing solid iron (III) hydroxide and sodium chloride? can you help me figure this out I am confused
January 26, 2009 by Ashley

Chem Help!
I really need help for my homework on how to write the balanced equation for the following reactions. 1) Sodium reacts with iron(lll)oxide to produce sodium oxide and iron. Type of reaction: Balanced Equation: 2) Hydrogen bromide forms from hydrogen and bromine. Type of ...
April 8, 2008 by Lisa

Chemistry
NiF2(aq)+Fe2(SO4)3(aq) ==NiSO4 (aq) + FeF3 (s) balance each of the following chemical equations. Express your answer as a chemical equation. Identify all of the phases in your answer. Can help me refresh my memory ...
October 16, 2010 by Lisa

chemistry
A sample of sodium reacts completely with 0.568 of chlorine, forming 936 of sodium chloride. What mass of sodium reacted?
September 24, 2012 by Hanna

chemistry Emergency TEST
1.How many moles of sodium oxide are produced when3.9 moles of sodium combine with excess oxygen. 2. Sodium chloride decomposes into elemental sodium and elemental chlorine.How many grams of chlorine will be produced if 39.4 grams of sodium chloride decomposes 3.If 6.7 moles ...
February 14, 2013 by Christian

Chemistry
In the formation of acid rain, sulfur dioxide reacts with oxygen and water in the air to form sulfuric acid. Write the balanced chemical equation for the reaction. 2 SO2 + 1 O2 + 2 H2O --> 2 H2SO4 If 5.45 g SO2 react with excess oxygen and water, how many grams of H2SO4 are...
February 3, 2008 by ChaCha

chemistry
Sodium carbonate reacts with hydrochloric acid as shown below in an unbalanced chemical equation. What mass of CO2 is produced from the reaction of 2.94g Na2CO3 with excess HCL?
August 3, 2011 by Astrid

Chemistry
Ammonia reacts with oxygen at 120 C to form NO and H20 in a sealed 40-L container. When 34 g of ammonia reacts with 96 g of oxygen, what is the partial pressure of the NO? What is the total pressure?
May 20, 2012 by Erin

Chemistry: Answer check please!
1. Reactions follow the law of conservation of mass. a.) True b.) False Answer: True 2. Reactants are the materials used in a chemical reaction. a.) True b.) False Answer: True 3. In a chemical equation, the mass on the left of the arrow equals the mass on the right. a.) True ...
April 2, 2011 by Cheryl

chemistry
Write word equations for the following chemical reactions. a. Pure copper can be produced by heating copper(II) sulfide in the presence of diatomic oxygen from the air. Sulfur dioxide gas is also produced in this reaction. b. Water is formed by the explosive reaction between ...
January 6, 2011 by sec 8.1

chemistry
At elevated temperatures, sodium chlorate decomposes to produce sodium chloride and oxygen gas. A 0.8915-g sample of impure sodium chlorate was heated until the production of oxygen gas ceased. The oxygen gas collected over water occupied 57.2 mL at a temperature of 22°C and a...
November 20, 2012 by Fred

Chem Lab
Am I right? Classify the following properties of sodium metal as physical or chemical: •Silver metallic color—physical property •Turns gray in air—physical property •Melts at 98º C-melting point is physical property •Reacts explosively with chlorine gas—chemical property ...
April 23, 2010 by Help1001

Chemistry- HW Check
I have seven homework problems. I did them but I wasn't sure if I did them correctly. Did I do them correct? Thank you! Give the reaction that describes how the hydrazine, N2H4(aq), / hydrazinium ion, N2H51+(aq), buffer reacts with a strong base such as sodium hydroxide. N2H4(...
November 15, 2011 by Maegan G

Chemistry
how do you write a chemical equation with this reaction? can u help me solve these 1.Liquid carbon disulfide reacts with oxygen gas, producing carbon dioxide gas and sulfur dioxdie gas. 2. Solid zinc and aqueous hydrogen sulfate reacts to produce hydrogen gas and aqueous zinc ...
January 26, 2009 by Lauren

chemistry
If 9.20 g of sodium metal reacts with chlorine gas to make sodium chloride, how mnay grams of chlorine are required to react completely with the sodium?
October 10, 2011 by Anonymous

chemistry
Sodium oxide reacts with water to produce sodium hydroxide. Suppose 12.7 g of sodium oxide is combined with 39.8 g of water. When the reaction is complete, all the sodium oxide has been consumed. According to the law of conservation of mass, which is a true statement?
September 16, 2010 by Anonymous

chemistry
What volume of hydrogen gas is produced when 19.6 g of sodium reacts completely according to the following reaction at 25oC and 1 atm? sodium (s) + water (l) sodium hydroxide (aq) + hydrogen (g)
January 29, 2012 by amanda

AP Chemistry
What mass in grams of sodium hydroxide is produced if 20.0 g of sodium metal reacts with excess water according to the chemical equation? 2Na(s)+2H20(l)=2NaOH(aq)+Hs(g) How many moles of Ag can be produced if 350. g of Cu are reacted with excess AgNO3 according to the ...
March 18, 2013 by Kayla

chemistry
Write a balanced net ionic equation for the following reactions in acid soln Hydrogen Peroxide reacts w/an aqueos soln of sodium hypochlorite to form oxygen and chlorine gas
November 18, 2011 by anonymous

chemistry
Write a balanced chemical equation for the reaction that occurs when dimethylether, , is combusted in air. Express your answer as a balanced chemical equation. Identify all of the phases in your answer.
January 25, 2013 by Anonymous

Chemistry
1.The Volume of oxygen required for the complete combustion of 500ML of ethyne at STP..A)2.00ML B)1.25 C)1.71 D)1.00 2.A Chemical Engineer finds that 250ml CuSO4 reacts with excess NaOH to create 2.37g of precipitate.Calculate the Concentration of copper(II) Sulphate solution...
June 4, 2009 by Alex

science
Will you please check? Physical or chemical properties 1. bitter taste = physical taste 2. can neutralize a base= physical property 3. boiling point = physical property 4. reacts with a base to form water= physical 5. reacts with acid to form hydrogen = chemical property 6. ...
September 12, 2012 by Reed

chemistry
Write the balanced chemical reaction for the rusting of iron? the acidic vinegar dissolved a protective coating off the steel wool, allowing the oxidation of the steel to begin. This process is called rusting. In this reaction, iron(III) is combined with oxygen gas to form ...
April 23, 2007 by Rox

Chemistry
Describe what hard water is and how a water softening unit works. Provide balanced chemical equations to show how sodium sulphate can remove these ions (Magnesium and Calcium). The first was no problem, but I am having trouble trying to get through the second part balancing ...
July 17, 2012 by Hannah

Chem
Sodium phosphate reacts with copper (II) chloride in a precipitation reaction. What mass (in grams) of the precipitate will form when 325 mL of 0.5000 molar sodium phosphate reacts with 41.5 cL of 0.6000 molar copper (II) chloride.
November 23, 2010 by Heather

Chemistry
The most abundant cation in seawater is the sodium ion. The evaporation of seawater gives a mixture of ionic compounds containing sodium combined with chloride, sulfate, carbonate, bicarbonate, bromide, fluoride, and tetrahydroxybrate. [tetrahydroxyborate=B(OH)-4] Write the ...
January 27, 2012 by Stephanie

chemistry
1. when sodium is combined with water, sodium hydroxide and hydrogen gas are produced. How many moles of sodium do you need to make 4.0 mol of hydrogen gas? 2.when aluminium reacts with sulfuric acid, aluminium sulfate and hydrogen gas are produced. How many moes of sulfuric ...
April 29, 2010 by Kelcye

chemistry
Ammonia chemically reacts with oxygen gas to produce nitric oxide and water . What mass of ammonia is consumed by the reaction of 4.5g of oxygen gas? Round your answer to significant digits.
September 27, 2011 by Anonymous

Chemistry
C15H30 is a hydrocarbon that reacts with oxygen gas to give carbon dioxide and water. Calculate the mass of water (grams) formed when 859.64 grams of the hydrocarbon reacts with the oxygen gas. can someone please show me how this is done thanks
November 25, 2010 by stacy

chemistry proofread
write the chemical equations for the following sentences a) Aluminum reacts with oxygen to produce aluminum oxide I put Al + O2 ----------> 2Al2O3 b) Phosphoric acid, H3PO4, is produced through the reaction between tetraphosphorous decoxide and water I put P4O10 + 6H2O...
March 26, 2008 by john

Chemistry
Ammonium sulfate reacts with a solution of sodium hydroxide to produce sodium sulfate, ammonia gas and water. Calculate the yield in grams of ammonia gas that would form; and the amount of excess reagent in grams that would be left in the flask, after 9.92 grams of ammonium ...
April 17, 2011 by John

chemistry
Sodium phosphate dodecahydate reacts with barium chloride dihydrate. If Na2SO4 is an unkown contaminant of sodium phosphate dodecahydrate, how does it presence affect yeild of sodium phosphate in the exexpiriment?
April 10, 2013 by londi

Chem
what does an -ite or -ate ending in a polyatomic ion mean? i'm thinking it mean Oxygen is in the formula, or is it Sulfur is in the formula? i'm not sure oxygen is in both ites and ates. The ate has more oxygen than ite. NaClO2 sodium chlorite NaClO3 sodium chlorate NaClO4 ...
January 9, 2007 by Dennis

last chem ?
complete each of the following synthesis reactions by writing both a word equation and a chemical equation a) sodium + oxygen---------> ___________ b) Magnesium + Fluorine ------->_______
March 26, 2008 by john

Chemistry
C15H30 is a hydrocarbon that reacts with oxygen gas to give carbon dioxide and water. Calculate the mass of water (grams) formed when 859.64 grams of the hydrocarbon reacts with the oxygen gas.
November 19, 2010 by annonomus

Chemistry
C15H30 is a hydrocarbon that reacts with oxygen gas to give carbon dioxide and water. Calculate the mass of water (grams) formed when 724.05 grams of the hydrocarbon reacts with the oxygen gas.
November 14, 2011 by Kim

Chemistry
Can someone tell me what product is formed when - acetylene and oxygen react 3-methylbutyne reacts with hydrogen chloroethane reacts with hydroxide ions
June 8, 2008 by Sam

Chemistry Stoichiometry
1. Tin and oxygen gas are reacted together to form Tin (IV) oxide, a solid. If a piece of tin foil, 8.25cm x 21.5cm x 0.60mm (density = 7.28g/cm3) is exposed to oxygen and all the tin reacts, what is the mass of the oxidized tin foil? (98.4g) I am so confused on this problem ...
May 29, 2009 by Gweedo8

science
What mass of sodium cholride is produced when chlorine reacts with 0.29 grams of sodium iodide?
April 6, 2009 by Natosha

Chemestry
How many moles of sodium chloride are produced when 25 grams of sodium reacts with chlorine gas?
March 30, 2011 by Me.

Chemistry
1. Which of the following will result in a chemical change? A. Melting ice to obtain water B. Evaporating alcohol into vapor C. Drying wood in a shed D. Burning coal in a furnace(My answer) 2. A salt is obtained as a reaction between A. a nonmetal and a metal. B. a base and ...
September 27, 2011 by Anonymous

chemistry
when chlorine gas is bubbled into a solution of sodium bromide, the sodium bromide reacts to give bromine a red brown liquid and sodium chlorine. A solution was made by dissolving 20.0g of sodium bromide in 100.0 g of water. After passing through the solution, it contained 16....
September 17, 2012 by Anonymous

chemistry
when chlorine gas is bubbled into a solution of sodium bromide, the sodium bromide reacts to give bromine a red brown liquid and sodium chlorine. A solution was made by dissolving 20.0g of sodium bromide in 100.0 g of water. After passing through the solution, it contained 16....
September 17, 2012 by Anonymous

chemistry
What is the freezing pint of 0.0091 m aqueous sodium phosphate, Na3PO4? Assume that sodium phosphate is a strong electrolyte and it functions ideally in solution. (express your answer in degrees Celsius)
September 14, 2010 by shawn

Chemistry
Write a balanced chemical equation for nitrogen gas reacts with oxygen gas to produce nitrogen dioxide gas
March 29, 2010 by Elizabeth

chemistry
a 3.00mole sample of fluorine reacts with sodium bromide to produce how many grams of sodium fluoride?
March 4, 2011 by sharday

chemistry
How many moles of sodium hydroxide are produced when 0.155 mole of sodium reacts with excess water?
February 24, 2012 by Cris

Science (chemistry)
Write a balanced chemical equation and state the reaction type for each of the following reactions: a.) nitrogen gas reacts with hydrogen gas forming ammonia (NH3) b.) carbonic acid breaks down to form carbon dioxide gas and water c.) aluminum foil reacts with copper II ...
April 2, 2014 by Anonymous

Chemistry
determine the mass of sodium chloride produced when chlorine reacts with 0.29 g of sodium iodine in a single replacement reaction
February 17, 2011 by Alicia

Chemistry
determine the mass of sodium chloride produced when chlorine reacts with 0.29 g of sodium iodine in a single replacement reaction
February 17, 2011 by Alicia

physical science
Volcanoes emit much hydrogen sulfide gas, H2S, which reacts with the oxygen in the air to form water and sulfur dioxide, SO2. Every 69 tons of H2S reacts with 97 tons of oxygen and forms 37 tons of water. How many tons of SO2 are formed
October 9, 2010 by taylor

science
Volcanoes emit much hydrogen sulfide gas, H2S, which reacts with the oxygen in the air to form water and sulfur dioxide, SO2. Every 61 tons of H2S reacts with 86 tons of oxygen and forms 32 tons of water. How many tons of SO2 are formed?
April 27, 2011 by Anonymous

chemistry
Write a balanced chemical equation for the reaction that occurs when barium carbonate decomposes into barium oxide and carbon dioxide gas when heated. Express your answer as a balanced chemical equation. Identify all of the phases in your answer.
October 1, 2012 by Anonymous

Chemistry
Calculate the heat released when 1.61 L of Cl2(g) with a density of 1.88 g/L reacts with an excess of sodium metal at 25°C and 1 atm to form sodium chloride.
October 2, 2010 by Trinh

chemistry
Calculate the heat released when 3.10 L of Cl2(g) with a density of 1.88 g/L reacts with an excess of sodium metal at 25°C and 1 atm to form sodium chloride. 1 kJ
October 6, 2010 by mylles

chemistry
Calculate the heat released when 3.10 L of Cl2(g) with a density of 1.88 g/L reacts with an excess of sodium metal at 25°C and 1 atm to form sodium chloride
October 6, 2010 by Tits magee

Chemistry
Sodium carbonate reacts with hydrochloric acid as shown in an unbalanced chemical equation. What mass of Co2 is produced from the reaction of 2.94g Na2 Co2 with excess HCI? Na2CO3(s)+HCI(aq)+ CO2(g)+H2O A. 1.22 g B. 2.44 g C 2.94 g D 5.88 g E 7.08 g
July 21, 2011 by Taru

Stoichiometry
1. Iron reacts with oxygen according to the following equation: Fe + O2→ Fe2O3 a. Balance the equation. b. Assuming you start with 15.0 g of iron, how many dm3 of oxygen are required to react? c. How many molecules of oxygen is this?
February 22, 2011 by Ashley

chemistry
Solid sodium nitrate can be decomposed to solid sodium nitrite and oxygen gas. If the percentage yield for the reaction is 80.4%, calculate the grams of sodium nitrite that will result from the decomposition of 955grams of sodium nitrate. 2 NaNO3 ¨ 2 NaNO2 + O2
May 15, 2009 by lama

Chemistry
nitrogen reacts with oxygen to form 2 compounds. Compund A contains 2.8 g of nitrogen for each 1.6 g of oxygen. Compound B contains 5.6g of nitrogen for each 9.6g of oxygen. What is the lowest whole number mass ratio of nitrogen that combines with a given mass of oxygen?
December 17, 2009 by Katelyn

Chemistry
nitrogen reacts with oxygen to form 2 compounds. Compund A contains 2.8 g of nitrogen for each 1.6 g of oxygen. Compound B contains 5.6g of nitrogen for each 9.6g of oxygen. What is the lowest whole number mass ratio of nitrogen that combines with a given mass of oxygen?
December 17, 2009 by Katelyn

chemistry
Calculate the heat released when 4.260 L Cl2 with a density of 2.46 g/L at 25°C reacts with an excess of sodium metal to form solid sodium chloride at 25°C.
October 29, 2010 by caroline

chemistry
Calculate the heat released when 4.260 L Cl2 with a density of 2.46 g/L at 25°C reacts with an excess of sodium metal to form solid sodium chloride at 25°C.
October 31, 2010 by Emily

Chemistry
What volume (mL) of a concentrated solution of sodium hydroxide (2.00 M) must be diluted to 600.0 mL to make a 0.860 M solution of sodium hydroxide? Express your answer to the nearest tenth mL.
March 10, 2010 by Camarra

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