Saturday
December 20, 2014

Search: After balancing of the equation for the reaction, MnO4-(aq) + H2C2O4(aq) + H+(aq) Mn2+(aq) + CO2(g) + H2O(l) what is the sum of ALL the coefficients in the equation?

Number of results: 53,219

chemistry
The reaction of MnO4- with oxalic acid (H2C2O4) in aciic solutiob, yielding Mn2+ and CO2 gas, is widely used to determine the concentration of permanganate solutions. (a) write a balanced equation for the reaction would it be MnO4- + H2C2O4 --> Mn2C2O4 + H2O + O3-?????
April 26, 2011 by lili

balanced equation
? MnO4– + ?H+ + ?C2O42– --> ?Mn2+ + ?H2O + ?CO2 what's the balanced equation? correct coefficients? is it 1MnO4- + 2H+ + 1C2O42- --> 1Mn2+ + 1H20 + 2CO2 ? c2042..? are you missing parenthesis somewhere? oh i see, no i believe this is correct: MnO4- + 8h+ + C2042- -> ...
April 29, 2007 by christine

Chemistry
I need chemistry help. I think 1. c, 2.b, & 3.a (please tell me why or why not and help me set up the problems if possible) 1.) The following half reaction has been balanced except for the electrons. How many and where should the electrons be included? 14 H+(aq) + Cr2O72-(aq...
November 30, 2014 by Tyler

CHemistry- MIDTERM TODAY PLEASE HELP
Hey i have a question regarding disproportionate reactions: Permanganate ions MnO4 reacts with oxalic acid, H2C2O4 in acidic aqueous solution, producing manganese(II) ions and carbon dioxide. The skeletal equation is MnO4^-(aq)+ H2C2O4(aq)--> Mn^2+(aq)+ Co2 (g) balance this...
October 17, 2008 by Sara

Chemistry
What is the reduction half-reaction for the reaction between iron(II) sulfate and potassium permanganate in a sulfuric acid solution? 5Fe2+(aq) + MnO4–(aq) + 8H+(aq) --> 5Fe3+(aq) + Mn2+(aq) + 4H2O(l) a. MnO4– + 3e– --> Mn2+(aq) + 4H2O b. MnO4–(aq) + 8H+(aq) + 5e– --->...
March 23, 2010 by Zakaria

Chemistry
What is the reduction half-reaction for the reaction between iron(II) sulfate and potassium permanganate in a sulfuric acid solution? 5Fe2+(aq) + MnO4–(aq) + 8H+(aq) --> 5Fe3+(aq) + Mn2+(aq) + 4H2O(l) a. MnO4– + 3e– -->Mn2+(aq) + 4H2O b. MnO4–(aq) + 8H+(aq) + 5e– -->...
March 23, 2010 by Husy

Chemistry
For the following electrochemical cell: Fe(s)/Fe2+(aq)//MnO4–(aq), Mn2+(aq)/ Pt(s) Which letter corresponds to the correct balanced chemical equation in an acidic solution? A. 2Mn2+(aq) + 8H2O(l) + 5Fe2+ ==> (aq)5Fe(s) + 16H+(aq) + 2MnO4–(aq) B. 5Fe(s) + 16H+(aq) + 2MnO4–(...
April 18, 2008 by Matt

Chemistry
For the following electrochemical cell: Fe(s) | Fe2+(aq) || MnO4–(aq), Mn2+(aq) | Pt(s) Which letter corresponds to the correct balanced chemical equation in an acidic solution? A. 2Mn2+(aq) + 8H2O(l) + 5Fe2+(aq)-> 5Fe(s) + 16H+(aq) + 2MnO4–(aq) B. Fe(s)+8H+(aq)+MnO4–(aq)+...
April 21, 2008 by David

Chem
For the following electrochemical cell: Fe(s) Fe2+(aq) MnO4–(aq) Mn2+(aq) Pt(s) Which letter corresponds to the correct balanced chemical equation in an acidic solution? A. Fe(s) + 8H+(aq) + MnO4–(aq)Mn2+(aq) + 4H2O(l) + Fe2+(aq) B. 5Fe(s) + 16H+(aq) + 2MnO4–(aq)2Mn2+(aq) + ...
May 7, 2011 by Anonymous

Chem
For the following electrochemical cell: Fe(s) Fe2+(aq) MnO4–(aq) Mn2+(aq) Pt(s) Which letter corresponds to the correct balanced chemical equation in an acidic solution? A. Fe(s) + 8H+(aq) + MnO4–(aq)Mn2+(aq) + 4H2O(l) + Fe2+(aq) B. 5Fe(s) + 16H+(aq) + 2MnO4–(aq)2Mn2+(aq) + ...
May 7, 2011 by Anonymous

Chemistry
For the following electrochemical cell: Fe(s) / Fe2+(aq) // MnO4–(aq) Mn2+(aq) / Pt(s) Which letter corresponds to the correct balanced chemical equation in an acidic solution? A. 5Fe(s) + 16H+(aq) + 2MnO4–(aq)--> 2Mn2+(aq) + 8H2O(l) + 5Fe2+(aq) B. Fe(s)+8H+(aq)+MnO4–(aq)+...
May 9, 2008 by Amy

Chemistry
For the following electrochemical cell: Fe(s) / Fe2+(aq) // MnO4–(aq) Mn2+(aq) / Pt(s) Which letter corresponds to the correct balanced chemical equation in an acidic solution? A. 5Fe(s) + 16H+(aq) + 2MnO4–(aq)--> 2Mn2+(aq) + 8H2O(l) + 5Fe2+(aq) B. Fe(s)+8H+(aq)+MnO4–(aq)+...
May 8, 2008 by Amy

chemistry
1)The reaction of methane and oxygen yields carbon dioxide gas and water. The unbalanced reaction is as follows: CH4(g) + O2(g)CO2(g) + H2O(g) A. If 0.718 grams of methane are reacted, how many grams of water vapor are produced? B. If 1.621 grams CO2 are released, how many ...
January 7, 2010 by eng

Chemistry
Can someone help me balance this equation? MnO4(จC) + H(+) + C2O4(2จC)--> Mn(2+) + H2O + CO2 Sure but tell us what you don't understand about it. You need to learn how to do them yourself. Tell me what you don't understand, in detail, and I can help you through it. Well I ...
April 30, 2007 by Nancy

Chemistry Problem
A student proposes to use visible spectroscopy to measure the kinetics of the permanganate/oxalic acid reaction. The initial permanganate solution was very dark. For a 1 cm sample cell, the absorbance A = 2,500[MnO4]. As a practical rule of thumb, Beer's law is only accurate ...
January 22, 2013 by Amy

CHEMISTRY
Given the following standard reduction potentials in acid solution: MnO4- + 8 H+ + 5 e-ฎ Mn+2 + 4 H2O Eฐcell = 1.51 V Co+2 + 2 e-ฎ Co Eฐcell = -0.28 V Cr+3 + 3 e-ฎ Cr Eฐcell = -0.74 V The strongest oxidizing agent listed above is: Cr3+. Cr. Mn2+. Co2+. MnO4–
September 9, 2010 by lucylu

Can someone please help me with balancing ASAP
Balance the following equation. (for a balanced eq. aA + bB → cC + dD, enter your answer as the integer abcd) MnO4−(aq) + SO32−(aq) + H+(aq) → Mn2+(aq) + SO42−(aq) + H2O(l)
December 14, 2012 by Trina

chemistry to Dr. Bob
Balance the equation: Note: If a chemical species coefficient is "1" then "1" needs to be entered in the field before that species. MnO4– + H+ + C2O42– Mn2+ + H2O + CO2 I'm not exactly sure how to do this question..Help?
April 26, 2008 by rich

Chem
I was given a problem that my book did not explain how to do, so I attempted to figure it out myself. Let me know if my conclusion is fallacious. Given the reactions H2O(g) + CO(g) <--> H2(g) + CO2(g), K= 1.6 FeO(s) + CO(g) <--> Fe(s) + CO2(g), K= .67 Find K for ...
April 9, 2007 by Chris

Chemistry
The reaction: H2C2O4 + CuO + Heat = ? This reaction was produced in organic elemental analysis to identify C and H. So I think CO2 is formed to react with Ca(OH)2 to giving CaCO3. Additionally was formed H2O, so I though H2 or H2O was produced. Is correct : = C2CuO4 + CO2 + H2 ?
November 26, 2014 by Carlos

chemistry
Why doesn't potassium ion K+ from KMnO4 appear in the following two unbalanced equations: MnO4– + C2O42– Mn2+ + CO2 MnO4– + Fe2+ Mn2+ + Fe3+ ? A. KMnO4 is not added to either reaction. B. The presence of K+ would result in a net positive charge in the products. C. K+ is a ...
April 27, 2008 by Renee

chemistry
Why doesn't potassium ion K+ from KMnO4 appear in the following two unbalanced equations: MnO4– + C2O42– Mn2+ + CO2 MnO4– + Fe2+ Mn2+ + Fe3+ ? A. The presence of K+ would result in a net positive charge in the products. B. The equations cannot be balanced if the potassium ion...
April 26, 2009 by uci student

Chemistry
Why doesn't potassium ion K+ from KMnO4 appear in the following two unbalanced equations: MnO4– + C2O42– Mn2+ + CO2 MnO4– + Fe2+ Mn2+ + Fe3+ ? A. KMnO4 is not added to either reaction. B. K+ is a spectator ion and redox reactions are written as net ionic reactions. C. The ...
April 25, 2010 by John

Chemistry
Choose the equations which correctly describe the dissolution of a compound into water. a) CaBr2(s)-> Ca2+(aq) + Br2(l) b) sodium bicarbonate(s)-> Na+(aq) + HCO3–(aq) c) CH3OH(l)-> C4+(aq) + O2–(aq) + 4 H+(aq) d) Ba(NO3)2(s)-> Ba2+(aq) + 2 NO3–(aq) e) H2SO4(g)->...
January 15, 2011 by Erika

chemistry(check my asnwer)
Why doesn't potassium ion K+ from KMnO4 appear in the following two unbalanced equations: MnO4– + C2O42– Mn2+ + CO2 MnO4– + Fe2+ Mn2+ + Fe3+ ? A. KMnO4 is not added to either reaction. B. The presence of K+ would result in a net positive charge in the products. C. The ...
April 17, 2010 by eng

Chemistry
Why doesn't potassium ion K+ from KMnO4 appear in the following two unbalanced equations: MnO4– + C2O42– Mn2+ + CO2 MnO4– + Fe2+ Mn2+ + Fe3+ ? The potassium ion is a spectator ion. You have written ionic equations (but omitted the arrows to separate the reactants from the ...
April 29, 2007 by Emi

chem
Balance the equation: MnO4กV + H+ + Fe2+ Mn2+ + H2O + Fe3
August 15, 2008 by Anonymous

chemistry
what is the oxidation half reaction, reduction half reaction, and the complete balanced reaction of the following? (a) Al(s) + MnO4‾(aq) → MnO2(s) + Al(OH)4‾(aq) (b) Cl2(g) → Cl ‾(aq) + ClO ‾(aq) (c) NO2‾(aq) + Al(s) → NH3(g) + ...
October 28, 2010 by Anonymous

Chemistry
I need to know how to right a net ionic equation for the following chemical reaction: 5 H2C2O4 + 3 H2SO4 + 2 KMnO4 = K2SO4 + 2 MnSO4 + 8 H2O + 10 CO2
April 14, 2011 by Matthew

Gen Chem
What is n, the number of moles of electrons transferred, in the following reaction? 2 MnO4-(aq) + 16 H+(aq) + 10 Cl-(aq) ===> 2 Mn2+(aq) + 5 Cl2(g) + 8 H2O(l).
March 28, 2008 by Sarah H

Chemistry
How do I balance this redox reaction? MnO4- + Fe2+ + H+ + Mn2+ + Fe3+ + H2O I don't understand. Don't I need a product?
December 2, 2012 by ANONYMOUS

chemistry
3. When a mixture of 10.0 grams of acetylene (C2H2) and 10.0 grams of oxygen (O2) is ignited, the resulting combustion reaction produces CO2 and H2O. A) Write a balanced equation for this reaction. B) What is the limiting reactant? C) How many grams of C2, H2, O2, CO2, and H2O...
May 14, 2013 by tra

chem
Balance the following oxidation-reduction reaction in acid solution: SO32- + MnO4- --> SO42- + Mn2+ + H2O
March 25, 2008 by Anonymous

Chemistry
Determine the total number of electrons transferred in the following balanced reaction. 4 MnO4– (aq) + 12 H3O+ (aq) → 4 Mn2+ (aq) + 5 O2 (g) + 18 H2O (g)
August 8, 2010 by Ally

chem
5 Fe2+(aq)+MnO41-(aq)+8 H1+(aq)-->5Fe3(aq)+Mn2+(aq)+4 H2O(l) 2 MnO41-(aq)+5 C2O42-(aq)+16 H1+(aq)-> 2 Mn2+(aq)+CO2 g)+8 H2O(l) Both of these reactions result in the purple permanganate (MnO41-(aq)) ion reacting to form the colourless manganese (II) ion. The difference is...
January 11, 2012 by Sailor

chemistry
MnO4–(aq) + Cl–(aq) Mn2+ + Cl2(g) (unbalanced) i. Write the reduction and oxidation half-reactions (without electrons). (.5 point) ii. Balance the equations for atoms (except O and H). (.5 point) iii. Balance the equations for atoms O and H using H2O and H+. (.5 point) iv. ...
March 10, 2012 by princess

chemistry
MnO4–(aq) + Cl–(aq) Mn2+ + Cl2(g) (unbalanced) i. Write the reduction and oxidation half-reactions (without electrons). (.5 point) ii. Balance the equations for atoms (except O and H). (.5 point) iii. Balance the equations for atoms O and H using H2O and H+. (.5 point) iv. ...
March 10, 2012 by princess

Chemistry
write the balanced chemical equation for reaction the following chemical reaction ozone gas, O3 , reacts with 3,3,4,4,5,5-hexamethyl-1-hexyne, H-C฿C-C(CH3)2-C(CH3)2-C(CH3)2-CH3 to produce carbon dioxide gas, CO2 , and water gas , H2O . When balancing the equation , use the ...
March 12, 2012 by Susan

college chemistry
Balance the equation in aqueous acidic solution: C2O42-(aq) + MnO4-(aq) → Mn2+(aq) + CO2(g) please teach me how to do it!
November 4, 2010 by sparkle

Chemistry
1. Tube # 3: (a) It started out as purple, and turned into green. (b) No precipitate was noticably formed. Tube #4: (a) This tube was purple, and turned into white. (b) A brown precipitate was formed after adding 1 mL of NaHSO3. Tube #5: (a) This tube was also purple, but then...
March 28, 2012 by Miranda

chemistry
Consider the following two reactions: 5 Fe2+(aq)+MnO41-(aq)+8 H1+(aq)-->5Fe3(aq)+Mn2+(aq)+4 H2O(l) 2 MnO41-(aq)+5 C2O42-(aq)+16 H1+(aq)-> 2 Mn2+(aq)+CO2 g)+8 H2O(l) Both of these reactions result in the purple permanganate (MnO41-(aq)) ion reacting to form the colourless...
January 9, 2012 by sailor

chemistry Help
Consider the following two reactions: 5 Fe2+(aq)+MnO41-(aq)+8 H1+(aq)-->5Fe3(aq)+Mn2+(aq)+4 H2O(l) 2 MnO41-(aq)+5 C2O42-(aq)+16 H1+(aq)-> 2 Mn2+(aq)+CO2 g)+8 H2O(l) Both of these reactions result in the purple permanganate (MnO41-(aq)) ion reacting to form the colourless...
January 10, 2012 by sailor

chemistry
Consider the following half-reactions: MnO4- + 8H+ + 5e- --> Mn2+ + 4H2O NO3- + 4H+ + 3e- --> NO + 2H2O Predict whether NO3- ions will oxidize Mn2+ to MnO4- under standard-state conditions.
July 23, 2010 by Anonymous

Chemistry
How to make into compounds to get a formula? Li+: Br-, O2-, CN-, SO3^2-, PO3^3-,MnO4- Cu:Br-, O2-, CN-, SO3^2-, PO3^3-,MnO4- Pb2+:Br-, O2-, CN-, SO3^2-, PO3^3-,MnO4- Ca2+:Br-, O2-, CN-, SO3^2-, PO3^3-,MnO4- Al3+:Br-, O2-, CN-, SO3^2-, PO3^3-,MnO4- Cr5+:Br-, O2-, CN-, SO3^2-, ...
October 27, 2010 by Jessica

chemistry
How to make into compounds to get a formula? Li+: Br-, O2-, CN-, SO3^2-, PO3^3-,MnO4- Cu:Br-, O2-, CN-, SO3^2-, PO3^3-,MnO4- Pb2+:Br-, O2-, CN-, SO3^2-, PO3^3-,MnO4- Ca2+:Br-, O2-, CN-, SO3^2-, PO3^3-,MnO4- Al3+:Br-, O2-, CN-, SO3^2-, PO3^3-,MnO4- Cr5+:Br-, O2-, CN-, SO3^2-, ...
October 27, 2010 by Jessica

Inorganic chemistry
Balance by redox method: 1. S + HNO2 --> SO2 + NO + H2o 2. 24H +18 H2O + 8 MnO4 + 5 As4O6 --> 8 Mn2+ + 20 H3AsO4
December 16, 2012 by pearlB.

Physical Science
In a certain reaction 1.5 mol of CO and 1.5 mol of H2O are placed in a 2,0 dm3 sealed vessel. Equilibrium is established at a temperature of 1 000 C. The equilibrium reaction equation is CO(g) + H2O(g) = CO2(g) + H2(g) The value of Kc for this reaction is 0,63. Calculate the ...
March 22, 2011 by wezile

chemistry- electrochem
Complete and balance the following redox equation. The sum of the coefficients when they are all whole numbers is MnO4- + H+ + Br-ฎ Mn2+ + Br2 + H2O (acidic solution) 6 17 21 29 43
September 17, 2010 by lucylu

Chemistry
Pentane gas (C5H12) combusts with oxygen gas (O2) to form water (H2O) and carbon dioxide (CO2). Write a balanced chemical equation for this reaction and explain the scientific principle (statement) that requires the balancing of an equation to make it conform to reality.
March 7, 2012 by Adrian

Chemistry
1. Pentane gas (C5H12) combusts with oxygen gas (O2) to form water (H2O) and carbon dioxide (CO2). Write a balanced chemical equation for this reaction and explain the scientific principle (statement) that requires the balancing of an equation to make it conform to reality
January 15, 2013 by Tyler

chemistry grade 12
Question: Balance the following reactions by the oxidation number method. a) I2 + HNO3 --> HIO3 + NO2 + H2O b) MnO4- + H+ + Cl- --> Mn2+ + Cl2 + H2O I know how to give each atom oxidation number but after i don't know how to apply the method.
November 17, 2009 by Ron

chemistry
could someone check my answers to see if they are right? Balance the following equation and give the value of the stoichiometric coefficient marked with a question mark. 6 KNO3+ _ S + ? H2O _ H2SO4+ _ N2+ _ K2SO4 answer:6KNO3 + 5S + 2H2O --> 3 K2SO4 + 3N2 + 2H2SO3 42 KMnO4...
January 24, 2007 by key

Chemistry
how do I balance the following skeleton redox equation for a reaction occurring in acidic solution. HNO2 + MnO4- yield to Mn2+ + NO3-
March 12, 2012 by Rachel

chemistry- redox
Complete and balance the following equations using the method of half-reaction. both reactions happen in acidic solutions: a. Cu(s) + NO3-(aq)--> Cu2+(aq) + NO2(aq) b. Mn2+(aQ) + NaBiO3(s)--> Bi3+(aq) + MnO4-(aq) I'm having trouble getting the half-rxn equations and the ...
September 12, 2010 by lucylu

chemistry
Balance the equation: Note: If a chemical species coefficient is "1" then "1" needs to be entered in the field before that species. MnO4– + H+ + Fe2+ Mn2+ + H2O + Fe3+
June 29, 2009 by Claire

Chem balancing equation
C5H602+O2 ---> CO2+H2O what is the coefficient of O2?
June 29, 2011 by Lily

Chemistry Honors
I need help balancing equations 1) CH4+O2-->CO2-->+H2O 2) Hf+N2-->Hf3N4 3) Mg+H2SO4-->MgSO4+H2 4) C2H6+O2 -->CO2+H2O 5) Pb(NO3)2 + NaI--> PbI2+NaNO3 6) Fe+O2-->Fe3O4
October 20, 2010 by S

ap chemistry
Write the half reactions and the balanced equation for the galvanic cell Hg(ℓ)|Hg2+2(aq)||MnO4(aq),Mn2+(aq),H+(aq)|Pt(s). What is the smallest possible integer coefficient of H2O(ℓ) in the combined balanced equation?
September 16, 2013 by Gabriella

Chemistry
What is the chemical equation for the combustion reaction between methanol and air? CH4 + O2 ==> CO2 + H2O. All hydrocarbons produce CO2 and H2O when they are combusted in air. The above equation isn't balanced. I assume you can do that? If not, ask OR take a shot at it and...
January 18, 2007 by Raj

chemistry grade 12
Thanks DrBob222 for previous answers. Question: Balance the following reactions by the oxidation number method. a) I2 + HNO3 --> HIO3 + NO2 + H2O b) MnO4- + H+ + Cl- --> Mn2+ + Cl2 + H2O
November 17, 2009 by Ron

chemistry
Am I headed in the right direction. Sn + MnO4- --> Sn2+ + Mn2+ Sn --> Sn2+ + 2e- 5e + 8H + MnO4- --> Mn2+ + 4H2O If Im right what is the whole number that Im multiplying by
November 20, 2011 by Monique

Chemistry
Balancing Equation Al2C3O3 + H3PO4 --> AlPO4 + CO2 + H2O
August 25, 2012 by Derp

chemistry
Using the change-in-oxidation-number method, balance the redox reaction below. Show your work; partial credit will be given. NO2– + MnO4– → NO3– + Mn2+ Figure out which atoms’ oxidation numbers are changing, and by how much. Balance the equation for charge. Add H2O and H...
April 27, 2012 by Anonymous

Chemistry
Calculate the change in enthalpy for the following reaction: C25H52(g) + O2(g) → CO2(g) + H2O(l) I started off by balancing the equation: C25H52(g) + 38O2(g) → 25CO2(g) + 26H2O(l) Can someone help me with the rest.
October 17, 2012 by Dolcezza

chemistry check
1. 48 KNO3+ _ C 12 H22O11-„ณ ? CO2+ _ N2+ _ K2CO3+ _ H2O a. 12 b. 24 s c. 36 d. 48 The reaction is 48 KNO3 + 5 C12H22O11 --> 24 K2CO3 + 36 CO2 + 55 H2O + 24 N2 So the answer is C =36 2. 6 KNO3+ _ S + ? H2O„ณ _ H2SO4+ _ N2+ _ K2SO4 a. 2 b. 4 c. 6 d. 8 The balanced reaction ...
January 24, 2007 by key

chemistry
Balance following oxidation reduction reactions using oxidation states method? a) Cl2(g) + Al(s) --> Al3+(aq) + Cl- b.) O2(g) + H2O(l) + Pb(s) --> Pb(OH)2(s) c) H+(aq) + MnO4-(aq) + Fe2+(aq) --> Mn2+(aq) + Fe3+(aq) + H2O(l)
September 28, 2014 by mathew

chemistry
Balancing Redox Reaction in Basic Solution CN- + MnO-4 --> CNO- + MnO2 H2O + CN- --> CNO- + 2H +2e 3e + 4H + MnO4- --> MnO2 + 2H2O My confusion is with adding the OH- please explain
November 22, 2011 by Monique

Chemistry
Please write the balanced chemical equation for reaction the following chemical reaction ozone gas, O3, reacts with 3,3,4,4,5,5-hexanmethyl-1-hexyne, H-C≡C-C(CH3)2-C(CH3)2-C(CH3)2-CH3 to produce carbon dioxide gas, CO2 , and water gas, H2O When balancing the equation , ...
November 8, 2012 by Amanda

Chemistry - DrBob222 please check and help
Can you check these? And I need help on one. Oxidation Number Method of Balancing Redox Reactions 1)Neutral Solution Sn^2+ + Fe^3+ ----> Fe^2+ + Sn^4+ Balanced equation Sn^2+ + 2Fe^3+ ----> 2Fe^2+ + Sn^4+ 2)Acidic Solution Fe^2+ + Cr2O7^2- ---> Cr^3+ + Fe^3+ Balanced ...
February 21, 2008 by Alex

Chemistry - DrBob222 please check and help
Can you check these? And I need help on one. Oxidation Number Method of Balancing Redox Reactions 1)Neutral Solution Sn^2+ + Fe^3+ ----> Fe^2+ + Sn^4+ Balanced equation Sn^2+ + 2Fe^3+ ----> 2Fe^2+ + Sn^4+ 2)Acidic Solution Fe^2+ + Cr2O7^2- ---> Cr^3+ + Fe^3+ Balanced ...
February 21, 2008 by Alex

Reaction Descriptions
Complete the table below: Enter all letters containing appropriate descriptions for each of the equations below. a. precipitation reaction b. neutralization reaction c. oxidation reduction reaction d. molecular equation e. complete (total) ionic equation f. net ionic equation...
January 12, 2011 by Jerry

chemistry
Suppose 70.00 mL of a lithium hydroxide, LiOH, solution requires 55.42 mL of a 0.1050 M solution of propanoic acid, C2H5COOH, for neutralization. LiOH + C2H5COOH ฎ C2H5COOLi + H2O What is the concentration of the base solution? 0.08313 M 0.1663 M 0.3325 M 0.6650 M Question 2 4...
October 9, 2010 by hope

Chemistry
Balance the following equation. (for a balanced eq. aA + bB → cC + dD, enter your answer as the integer abcd) MnO4−(aq) + SO32−(aq) + H+(aq) → Mn2+(aq) + SO42−(aq) + H2O(l) i got 2525 and its going in as incorrect Now you get to balance this ...
December 14, 2012 by Trina

CHEMISTRY HELP ASAP
Balance the following equation. (for a balanced eq. aA + bB → cC + dD, enter your answer as the integer abcd) MnO4−(aq) + SO32−(aq) + H+(aq) → Mn2+(aq) + SO42−(aq) + H2O(l) i got 2525 and its going in as incorrect Now you get to balance this ...
December 14, 2012 by Trina

chemistry
How do you find the molarity(M) of NaOH in this reaction: 2NaOH(aq) + H2C2O4-H2O > Na2C2O4(aq) + 2H2O The only given information is 0.2079g of H2C2O4-2H2O
May 11, 2011 by Holly

AP Chemistry
What is the redox reaction of (i dont understand how to do this): MnO4-(aq) + H2O2(aq) -> Mn2+(aq) + O2(g)
November 12, 2009 by Anonymous

chemistry
Balance the following redox reaction. MnO4 (aq) + Fe (s) --> Mn2+ (aq) +Fe2+ (aq)
May 11, 2013 by Lana

AP Chem
(MnO40- + (C2O4)2- + H+ = CO2 + H2O + ? OR (MnO4)- + (C2O4)2-+ OH-=CO2 n+ H2O +? Can somebody please help me predict the products? I can balance it i just need help determining what to balance.
October 23, 2012 by Colin

Science/Chemistry
Write a Balanced equation for the chemcial reaction Acetylene gas (C2H2) burns in a welding torch with oxygen to form carbon dioxide gas and water vapor. C2H2(g) + O2(g) ==> CO2(g) + H2O(g) It isn't balanced. I will leave that for you. How do i balance it? trial and error. ...
March 15, 2007 by Chris

chemistry
solve under rate of reaction: 1)Mno4^- + Fe2^+=Mn2^+ + Fe3^+
March 11, 2012 by faith

chemistry
solve under rate of reaction: 1)Mno4^- + Fe2^+=Mn2^+ + Fe3^+
March 11, 2012 by faith

chemistry
solve under rate of reaction: 1)Mno4^- + Fe2^+=Mn2^+ + Fe3^+
March 11, 2012 by faith

chemistry
In acidic solution MnO4- oxidizes H3AsO3, a weak acid, to H3AsO4, a weak acid, and is reduced to Mn2+. Write the balanced net ionic equation for this reaction. How many H+ are there in the balanced equation
October 9, 2010 by faith

Chem
Write a balanced equation for the following reduction-oxidation reaction. SO3–2 + MnO4–SO42– + Mn2+ __SO32–(aq) + ___MnO4–(aq) + ___H+(aq)--> ___SO42–(aq) + ___Mn2+(aq) + ___H2O(l) I have no idea how to do this type of problem, care to explain?
January 10, 2010 by Ed

Chem
Balancing equations? NaOH + H3PO4 ----> Na3PO4 + H2O C3H8 + O2 ----> CO2 + H2O
April 26, 2011 by Laura

Chem
In acidic solution MnO4- oxidizes H3AsO3, a weak acid, to H3AsO4, a weak acid, and is reduced to Mn2+. Write the balanced net ionic equation for this reaction. How many H+ are there in the balanced equation? Question 8 answers
February 22, 2011 by EJ

AP Chem
Complete and balance each of the following molecular equations, including phase labels, if a reaction occurs. Then write the net ionic equation. If no reaction occurs, write NR after the arrow. H2CO3(aq)+Sr(OH)2(aq) -> this is what I put but I think its wrong H2CO3(aq)+Sr(...
November 3, 2008 by Anna

Chem
Consider this reaction: CO (g) + H2O (g0 <---> CO2(g)+H2(g) kc=102 at 500 K A reaction mixture initially contains 0.145 M of CO and 0.145 M of H20. What would be the equilibrium concentration of [CO]? I so far have kc= [H2][CO2]/[CO][H2O]= 102 I know i have to set up an ...
March 21, 2010 by Katie

ap chemistry
A titration. 12.46 mL of KMnO4 are titrated with 25 mL of H2C2O4. The half reaction is 2H2O+H2C2O4 ARROW 2H2CO3+2H+2e-. How do I get the molarity of H2C2O4? PLEASE HELP
October 11, 2010 by brian

ap chemistry
A titration. 12.46 mL of KMnO4 are titrated with 25 mL of H2C2O4. The half reaction is 2H2O+H2C2O4 ARROW 2H2CO3+2H+2e-. How do I get the molarity of H2C2O4? PLEASE HELP
October 11, 2010 by brian

Chemistry
Cu (I): CN- Pb2+: CN-, SO3^2-, PO3^3-,MnO4- Ca2+: CN- Al3+: CN-, SO3^2-, PO3^3-,MnO4- Cr5+: CN-, SO3^2-, PO3^3-,MnO4- Pb4+: CN- Sn2+: CN- Mn2+:MnO4- Ag+:CN-, SO3^2-, PO3^3- H+: CN-, SO3^2-, PO3^3-,MnO4-
October 27, 2010 by Nick

chemistry
CO2(g) + H2(g) equilibrium reaction arrow CO(g) + H2O(g) Calculate the equilibrium concentration of each compound if 2.00 moles of CO2 and 2.40 moles of H2 are placed in a 3.90 liter container at 300ฐC. Kc = 2.30 for the reaction at this temperature. [CO2] = M [H2] = M [CO] = ...
December 18, 2013 by Isaiah

Chemistry
Suppose that the KMnO4 (aq) were standardized by reaction with As2O3. As2O3 + MnO4- + H+ +H2O yields H3AsO4 + Mn2+ (not balanced). If a 0.1322-g sample that is 99.16 % As2O3 by mass had been used in the titration, how many milliliters of the 0.02140 M KMnO4 (aq) would have ...
September 21, 2010 by Kyle

Chemistry
The combustion reaction of acetylene gas is represented by this equation: 2 C2H2(g) + 5 O2(g) ==> 4 CO2(g) + 2 H2O(g) How many grams of CO2 and grams of H2O are produced when 52.0g C2H2 burns in oxygen?
March 22, 2010 by Ralph

Chemistry
Write balanced complete ionic equation for HC2H3O2(aq) + K2CO3(aq)-----> H2O(l)+CO2(g)+KC2H3O2(aq) I put 2H+(aq)+2C2H3O2-2(aq)2K+(ag)+CO3-2(aq)------>H2O(l)+CO2(g)+2K+(aq)+C2H3O2-2(aq) and said it was wrong, but I got this part right. 2H+(aq)+CO3 2-(aq)----->H2O(l)+...
October 29, 2010 by Lisa

chemistry
permanganate ion oxidizes hydrogen peroxide to oxygen gas and Mn2+ in acidic solution balance this equation: MnO4- + H2O2 yield Mn2+ + O2 this is what i got 16H+ + 2MnO4- + 5H2O2 yield 2Mn2+ + 8H2O + 5O2 + 10H+ all the atoms and charges are balanced but why did my professor ...
May 15, 2010 by bme1(check my answer)

Chemistry
24) It was found that a 20.00 mL portion of a solution of oxalic acid, H2C2O4, requires 6.69 mL of 0.200 M K2Cr2O7 for complete reaction in an acidic solution. In the reaction, the oxidation product is CO2 and the reduction product is Cr3+. How many milliliters of 0.450 M NaOH...
July 1, 2014 by Luke

chem
Consider the following unbalanced equation: C2H5OH(g) + O2(g) → CO2(g) + H2O(l) 1.55 g of ethanol reacts with 10.0 g of oxygen. What is the total volume of gas present (in L) after the reaction is complete, assuming the reaction takes place at 1.00 atm and 25oC? A) 0.572...
December 15, 2010 by Bogdanam

CHEM
When 0.5 mole of CO2 and 0.5 mole of H2 were forced into a litre reaction container, and equilibrium was established: CO2(g) + H2(g) <--> H2O (g) + CO (g) Under the conditions of the experiment, K=2.00 a) Find the equilibrium concentration of each reactant and product. K...
April 10, 2012 by Anonymous

AP Chemistry
For the reaction ?CH4+ ?O2 ==> ?CO2+ ?H2O, what is the maximum amount of CO2 (44.0095 g/mol) which could be formed from 3.67 g of CH4 (16.0425 g/mol) and 4.23 g of O2 (31.9988 g/mol)? Answer in units of g I know that you have to balance the equation, so the coefficients 1, ...
December 1, 2014 by Savanna

Pages: 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | Next>>

Search
Members