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April 16, 2014

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

Number of results: 185,581

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 ...
Sunday, November 14, 2010 at 11:37am 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 ...
Sunday, November 14, 2010 at 10:35pm by TMV

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.
Sunday, September 25, 2011 at 2:02am by Anonymous

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...
Friday, October 15, 2010 at 11:33pm by Lisa

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
Wednesday, October 5, 2011 at 6:21pm by aby

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 ...
Monday, September 13, 2010 at 8:22pm 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 ...
Tuesday, September 14, 2010 at 8:25pm by Anonymous

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
Tuesday, October 25, 2011 at 9:39pm by jen

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 ...
Monday, March 14, 2011 at 2:49pm 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.
Friday, January 25, 2013 at 9:07pm by Anonymous

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 ...
Monday, March 14, 2011 at 4:03pm 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.
Monday, October 1, 2012 at 11:10pm by Anonymous

CHEMISTRY
Express your answer as a chemical equation. Identify all of the phases in your answer. C12H22O11
Sunday, January 31, 2010 at 2:53pm by ASHISH

chemistry
Express your answer as a chemical equation. Identify all of the phases in your answer. H3PO + Sr(OH)2=
Thursday, March 10, 2011 at 11:06am by joseph

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 ...
Saturday, October 16, 2010 at 9:56pm by Lisa

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
Wednesday, March 10, 2010 at 1:39pm by paula

Chemistry
A solution is made by mixing NaOH and HNO3. Write a balanced equation for the reaction that occurs between the solutes. Express your answer as a balanced chemical equation. Identify all of the phases in your answer.
Thursday, July 15, 2010 at 1:42am by Wende

chemistry
Write the equation for the dissolution of AgCL(s) in H20(I).Express your answer as a chemical equation. Identify all of the phases in your answer. I tried writing it as AgCl <> Ag+ + Cl- but this is incorrect.
Thursday, March 10, 2011 at 8:16pm by gin

chemistry
A buffer is made by dissolving HC2H3O2 and NaC2H3O2 in water. Write an equation that shows how this buffer neutralizes added acid. Express your answer as a chemical equation. Identify all of the phases in the answer.
Monday, December 3, 2012 at 4:39pm by amanda

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 (...
Wednesday, September 12, 2012 at 9:58pm by Reed

Chemistry
Complete and balance each of the following equations for gas-evolution reactions. HNO3(aq) + Li2S produces ? Express your answer as a chemical equation. Identify all of the phases in your answer.
Friday, October 8, 2010 at 12:03am by Anonymous

Chemistry
Write a balanced molecular equation for aqueous nitric acid and aqueous ammonia. Express your answer as a balanced chemical equation. Identify all of the phases in your answer.
Monday, October 3, 2011 at 4:39pm by Anonymous

Chemistry
Determine whether a solid forms when solutions containing the following salts are mixed. (Express your answer as a chemical equation. Identify all of the phases in your answer) NaF and AgNo3 MnSO4 and Na2CO3
Monday, May 24, 2010 at 2:55am by David

MSU
aluminum sulfate and sodium phosphate Express your answer as chemical equation.
Thursday, October 6, 2011 at 8:35pm by Sarah

Chemistry
NaI(aq)+Hg2(C2H3O2)2(aq)--> Express your answer as a chemical equation. Enter NOREACTION if no reaction occurs. Identify all of the phases in your answer. I need help! Someone please help..
Saturday, October 27, 2012 at 6:02pm by Lalo

chemistry
HI(aq) + KOH(aq)>> H2O(l) + KI(aq) Express your answer as a chemical equation. Identify all of the phases in your answer.
Wednesday, November 16, 2011 at 10:52am by Anonymous

Chemistry
Write balanced equations for the following reactions. Express your answer as a chemical equation. Identify all of the phases in your answer. 1. chromium (III) oxide with dilute hydrochloric acid A: Cr2O3 (s) + 6HCl (aq) ---> 2CrCl3 (s) + 3H20(l) (my phases are wrong?)
Tuesday, October 26, 2010 at 9:35pm by Don

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 ...
Tuesday, April 8, 2008 at 5:49pm by Lisa

chemistry
Write a balanced equation for the neutralization of each of the following. Express your answer as a chemical equation. Identify all of the phases in your answer. Part A: H3PO4(aq) and NaOH(aq) Part B: Hl(aq) and LiOH(aq) Part C: HNO3(aq) and Ca(OH)2(aq
Sunday, April 1, 2012 at 12:05pm by Lisa

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)
Sunday, March 10, 2013 at 11:07pm by Fatima

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
Monday, January 26, 2009 at 4:27pm by Ashley

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.
Wednesday, May 27, 2009 at 6:48pm by Ryan

chem.
Sodium metal is insoluble in ether - No change but technically you can call the sodium in ether an insoluble mixture and therefore a physical change. Sodium metal dissolves in water to produce a gas - You get a chemical change happening here because the sodium reacts with the ...
Wednesday, February 16, 2011 at 5:45pm by Qpee

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...
Sunday, March 16, 2008 at 4:00pm by Anonymous

Chemistry
The balanced net ionic equation for the neutralization reaction involving equal molar amounts of HNO3 and KOH is ________. Express your answer as a chemical equation. Identify all of the phases in your answer. I thought it was this: HNO3(aq)+KOH(aq)-> H2O(l)+ KNO3(aq) Am I ...
Saturday, March 17, 2012 at 6:19pm by Anonymous

chemistry
Balance each of the following redox reactions occurring in acidic aqueous solution.Express your answer as a chemical equation. Identify all of the phases in your answer. Zn(s) + Na(aq)-> Zn2+(aq)+Na(s) Cl-(aq) + 2NO3-(aq)->NO(g)+Cl2(g)
Saturday, April 23, 2011 at 5:33pm by redgy

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 ...
Monday, March 14, 2011 at 3:24pm by Anonymous

chemistry
I tried using the answer you provided but the online system I am using is not taking this as a correct answer. This is the answer you provided: AgCl(s) + H2O(l) ==> Ag^+(aq) + Cl^-(aq). PLEASE HELP!! Thanks My original question: Write the equation for the dissolution of ...
Saturday, March 12, 2011 at 12:12am by gin

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.
Friday, September 17, 2010 at 4:10pm by will

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 ...
Tuesday, March 1, 2011 at 9:42pm by Emily Grossman

11th grade
what is the chemical reaction equation for : Hydrogen sulfite reacts with oxygen to form sulfur dioxide and water vapour.
Monday, May 24, 2010 at 3:10am by Cats

chem
The question you must answer is, does the change form a new chemical compound or is it the same material after the change as before the change? For example, 1. The sodium is oxidized to Na2O because it reacts with oxygen in the air. Something new has been formed; therefore, ...
Tuesday, March 1, 2011 at 9:44pm by DrBob222

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...
Friday, October 15, 2010 at 10:33pm by Lisa

Science
Express your answer as a balanced net ionic equation. Identify all of the phases in your answer
Monday, February 28, 2011 at 12:28am by libby

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.
Monday, January 7, 2013 at 4:41pm by Megan

chemistry
Balance each of the following neutralization reactions. Express your answer as a chemical equation. Identify all of the phases in your answer. Part A: HNO3(aq) + Ba(OH)2(s) ---> Ba(NO3)2(aq) + H2O(l) Part B: H2SO4(aq) + Al(OH)3 ---> Al2(SO4)3(aq) + H2O(l)
Sunday, April 1, 2012 at 12:00pm by Lisa

chemistry
Balance each of the following neutralization reactions. Express your answer as a chemical equation. Identify all of the phases in your answer. Part A: HNO3(aq) + Ba(OH)2(s) ---> Ba(NO3)2(aq) + H2O(l) Part B: H2SO4(aq) + Al(OH)3 ---> Al2(SO4)3(aq) + H2O(l)
Sunday, April 1, 2012 at 12:01pm by Lisa

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.)
Thursday, February 2, 2012 at 9:07pm by skyler

Chemistry
Write the chemical equation showing dihydrogen phosphate and hydrogen phosphate conjugate acid-base relationship. Identify the acid and base. Explain how the equilibrium is shifted as buffer reacts with an acid and reacts with a base.
Thursday, January 24, 2013 at 8:31pm by Raphael

Chemistry
Write the chemical equation showing dihydrogen phosphate and hydrogen phosphate conjugate acid-base relationship. Identify the acid and base. Explain how the equilibrium is shifted as buffer reacts with an acid and reacts with a base.
Thursday, January 24, 2013 at 9:07pm by Raphael

Chemistry
Write the chemical equation showing dihydrogen phosphate and hydrogen phosphate conjugate acid-base relationship. Identify the acid and base. Explain how the equilibrium is shifted as buffer reacts with an acid and reacts with a base.
Thursday, January 24, 2013 at 9:08pm by Raphael

Chemistry
Write the chemical equation showing dihydrogen phosphate and hydrogen phosphate conjugate acid-base relationship. Identify the acid and base. Explain how the equilibrium is shifted as buffer reacts with an acid and reacts with a base.
Thursday, January 24, 2013 at 9:14pm by Raphael

Chemistry
Write the chemical equation showing dihydrogen phosphate and hydrogen phosphate conjugate acid-base relationship. Identify the acid and base. Explain how the equilibrium is shifted as buffer reacts with an acid and reacts with a base.
Thursday, January 24, 2013 at 9:40pm by Raphael

Chemistry
Write the chemical equation showing dihydrogen phosphate and hydrogen phosphate conjugate acid-base relationship. Identify the acid and base. Explain how the equilibrium is shifted as buffer reacts with an acid and reacts with a base.
Thursday, January 24, 2013 at 10:06pm by Raphael

Chemistry
Write the chemical equation showing dihydrogen phosphate and hydrogen phosphate conjugate acid-base relationship. Identify the acid and base. Explain how the equilibrium is shifted as buffer reacts with an acid and reacts with a base.
Thursday, January 24, 2013 at 10:14pm by Raphael

chemistry 105
Complete and balance each of the following equations for gas-evolutions. Express answer as a chemical equation. Identify all the phases in your answer. HCl(aq)+K2SO3(aq)--> HCl(aq)+KHCO3(aq)--> HC2H3O2(aq)+NaHSO3(aq)--> (NH4)2SO4(aq)+KOH(aq)-->
Monday, October 10, 2011 at 10:59pm by julie

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...
Thursday, April 17, 2008 at 9:21pm by Chris

chemistry
Precipitation Reactions Write a molecular equation for the precipitation reaction that occurs (if any) when the following solutions are mixed. If no reaction occurs, write NO REACTION. Express your answer as a chemical equation. Identify all of the phases in your answer. ...
Monday, February 9, 2009 at 2:10am by Jake

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 ------->_______
Wednesday, March 26, 2008 at 5:48pm by john

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 ...
Thursday, May 19, 2011 at 12:32am by Shell

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?
Wednesday, August 3, 2011 at 10:39am by Astrid

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?
Tuesday, February 22, 2011 at 6:56pm by Ashley

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 ...
Thursday, January 29, 2009 at 7:06pm by Chopsticks

Chemistry
Question 1. (SEE QUESTION 2 ) A Compound Containing 3 Atoms Of Carbon & 8 Atoms Of Hydrogen Is Combined In A Reaction With Oxygen Molecules. The 2 End Products Of This Equation Are Carbon Dioxide &water. What Element Should You Look At 1st In Balancing This Equation? Choose a....
Tuesday, July 8, 2008 at 5:14pm by Mickeyv

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?
Thursday, September 9, 2010 at 7:24pm by reid

last chem ?
Sodium is +1. O is -2 so the forumla for sodium oxide is Na2O. Actually, sodium + oxygen yields sodium PERoxide which is Na2O2 BUT I suspect sodium oxide may be the answer the prof is looking for. You must be the judge of that.
Wednesday, March 26, 2008 at 5:48pm by DrBob222

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 ...
Tuesday, March 11, 2008 at 4:40pm by Anony

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 ...
Tuesday, September 4, 2012 at 2:23pm by Ashley

chemistry
Complete and balance the equations for each of the following reactions. Express your answer as a chemical equation. Identify all of the phases in your answer. Part A: KHCO3(s) + HCl(aq) ---> Part B: Ca(s) +H2SO4(aq) ---> Part C: H2SO4(aq) + Al(OH)3(aq) ---> Part D: ...
Sunday, April 1, 2012 at 12:03pm by Lisa

Chemistry
This is a limiting reagent problem and it errs when it states that "0.75 g hydrogen reacts with 6.9 g oxygen" because not all of the oxygen reacts. Write the equation and balance it. 2H2 + O2 ==> 2H2O 2a. Convert 0.75 g H2 to moles. moles = grams/molar mass. 2b. Convert 6.9...
Saturday, September 11, 2010 at 5:37pm by DrBob222

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...
Sunday, February 3, 2008 at 9:49pm by ChaCha

Chemistry
When sodium Metal is dropped into water, all the metal reacts in the equation shown below. What mass of hydrogen is liberated from a 46.0 gram piece of sodium? 2Na(s)+2H2O(I) > 2NaOH(aq)+H2(g)
Friday, January 13, 2012 at 11:43am by Franklin

chemistry
Aqueous sulfuric acid is neutralized by aqueous potassium hydroxide. Express your answer as an ionic equation. Identify all of the phases in your answer.
Tuesday, October 12, 2010 at 6:47pm by Missy

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
Friday, November 18, 2011 at 8:54pm by anonymous

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 ...
Monday, April 23, 2007 at 3:03pm by Rox

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
Sunday, February 9, 2014 at 6:23pm by Steve

chem help
i just don't know where to begin/how a) Write a balanced chemical equation for: potassium carbonate + magnesium chloride b) Write a balanced chemical equation for: sulfuric acid + calcium carbonate c) Write a balanced chemical equation for: sodium sulfate + calcium nitrate d) ...
Tuesday, January 15, 2013 at 1:49pm by thad

Chemistry
Suggest chemical tests to identify 3 solid samples of sodium chloride, sodium carbonate and calcium chloride respectively.
Sunday, October 23, 2011 at 4:50am by A

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? ...
Wednesday, August 28, 2013 at 10:24am by Matt

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 ...
Monday, January 26, 2009 at 5:15pm by Lauren

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
Wednesday, February 20, 2008 at 6:36pm by lizzie

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 ...
Monday, March 18, 2013 at 6:51pm by Kayla

Science
We did a experiment in class to recognize chemical change. I don't really get this question: Identify the combinations of chemicals in which chemical changes occurred. If the chemical changes occured in all of the combinations, then what would be a good answer? I get the ...
Tuesday, March 23, 2010 at 10:30pm by Sara

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?
Thursday, September 16, 2010 at 8:11pm by Anonymous

CHEM
To identify a diatomic gas (), a researcher carried out the following experiment: She weighed an empty 1.00- bulb, then filled it with the gas at 1.10 and 23.0 and weighed it again. The difference in mass was 1.27 . Identify the gas. Express your answer as a chemical formula.
Friday, October 24, 2008 at 8:00pm by Kara

Chemistry
Write a balanced chemical equation for nitrogen gas reacts with oxygen gas to produce nitrogen dioxide gas
Monday, March 29, 2010 at 8:32pm by Elizabeth

Chemistry 2 Questions
1. sodium metal reacts (burns) in chlorine gas forming sodium chloride, NaCl. 2. The ability of water to dissolve ionic solids (most salts) and polar molecular compounds (sugars, alcohols, ammonia, etc) is because of its polarity and its ability to form "hydrogen bonds". All ...
Saturday, April 10, 2010 at 5:14pm by GK

chemistry
To identify a diatomic gas (x2), a researcher carried out the following experiment: She weighed an empty 3.4L- bulb, then filled it with the gas at 1.20 atm and 22.0 C and weighed it again. The difference in mass was 4.7g . Identify the gas. Express your answer as a chemical ...
Friday, November 18, 2011 at 2:24pm by unknown

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 ...
Saturday, April 2, 2011 at 7:32pm by Cheryl

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 ...
Thursday, December 21, 2006 at 6:32pm by Beautiful

Chemistry
Solid sodium carbonate reacts with hydrochloric acid to give sodium chloride,carbon dioxide and water. When writing the ionic equation, do I need to write Na2CO3(s)or do I write CO32-(aq) on the left hand side of the equation?
Tuesday, April 7, 2009 at 5:37pm by candy

chemistry
Write the balanced chemical equation for the reaction of sodium bicarbonate with aqueous acetic acid to produce carbon dioxide, water, and sodium acetate. Follow the example set by the sodium bicarbonate.
Wednesday, October 19, 2011 at 1:02pm by Rodney

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 ...
Friday, January 27, 2012 at 12:06am by Stephanie

CHEM
To identify a diatomic gas (X_2), a researcher carried out the following experiment: She weighed an empty 1.00-L bulb, then filled it with the gas at 1.10atm and 23.0 degrees celsius and weighed it again. The difference in mass was 1.27g . Identify the gas. Express your answer...
Friday, October 24, 2008 at 8:11pm by Kara

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
Sunday, April 10, 2011 at 3:20pm by jess

chemistry
write a balanced chemical equation for the reaction that occurs when aqueous solutions of sodium chloride and sodium iodate are mixed
Tuesday, October 5, 2010 at 4:01pm by k

Chemistry
1.The Volume of oxygen required for the complete combustion of 500ML of ethylene at STP..A)2.00ML B)1.25 C)1.71 D)1.00 The balanced equation of the combustion: 2C2H2 + 5O2 -> 4CO2 + 2H20 tell us that 2 volumes of ethylene reacts with 5 volumes of oxygen. Answer : B. 1.25 ...
Thursday, June 4, 2009 at 10:36pm by MathMate

Chemistry-II (Percent Composition)
In your first question, 1 mole of sodium carbonate=2 moles of sodium=1 mole of carbon =3 moles oxygen. Take the moles for each of the components in sodium carbonate and multiply them by their respective molecular weights e.g. 3 moles of oxygen* 15.999g/mole to calculate the ...
Wednesday, January 23, 2013 at 10:06am by Devron

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? ...
Friday, July 4, 2008 at 10:08pm 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? ...
Friday, July 4, 2008 at 12:54pm by MV

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