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April 18, 2014

Search: chemistry-redox

Number of results: 101,160

chemistry
Can anyone give me a brief explanation about redox? I'm just not understanding any of it. How do you know if a reaction is redox or non redox....how do you know what would be reduced? I am just confused with the redox subject. Any direction?
Monday, October 6, 2008 at 9:38pm by redox

chemistry(balance equation)
This is a redox equation and is best balanced by following redox rules. 3Cu + 8HNO3 ==> 3Cu(NO3)2 + 2NO + 4H2O http://www.chemteam.info/Redox/Redox.html
Thursday, January 19, 2012 at 9:54pm by DrBob222

Chemistry
Here is a good site that shows how to calculate the oxidation states and how to use them to balance a redox equation. http://www.chemteam.info/Redox/Redox.html
Sunday, January 8, 2012 at 11:40am by DrBob222

AP Chemistry
Here is a site that tells how to balance redox equatins AND it also will help if you require it for determining oxidations state etc. http://www.chemteam.info/Redox/Redox.html
Thursday, November 12, 2009 at 10:25pm by DrBob222

chemistry
Here are rules for balancing redox equations but if you will tell me where you are stuck I can help you through that part. http://www.chemteam.info/Redox/Redox.html
Monday, March 26, 2012 at 9:45pm by DrBob222

chemistry
You must have made some typos; I don't know anything about KMnos or CO3. Here are instructions for balancing a redox equation.http://www.chemteam.info/Redox/Redox.html
Tuesday, January 3, 2012 at 1:38pm by DrBob222

chemistry
You need to learn how to balance these redox equations yourself. Here is a site that can help. Also, ask specific questions about what you don't understand and I can help you through it. http://www.chemteam.info/Redox/Redox.html
Friday, November 2, 2012 at 10:49am by DrBob222

Chemistry
You need to learn how to do these. I can help but the most help is by practice. In a, V goes from +4 on the lef to +3 on the right. Here is a good site on redox including how to balance acidic and basic reactions. http://www.chemteam.info/Redox/Redox.html
Sunday, October 28, 2012 at 11:12pm by DrBob222

Chemistry - Please Help!
Here is a site that shows many things about redox equation including how to balance them. This process is learned best by doing them yourself. I'll be glad t answer specific questions if you post them. http://www.chemteam.info/Redox/Redox.html
Sunday, October 27, 2013 at 8:31pm by DrBob222

Chemistry 111
Anything you need to know about balancing redox equations is here. http://www.chemteam.info/Redox/Redox.html In this equation, Zn goes from zero to +2. N goes from +5 to -3.
Friday, December 2, 2011 at 8:14pm by DrBob222

Chemistry
You need to learn to do these yourself. Here is a site that gives you almost anything you want to know about redox equation. Ask specific equations if you still need help. http://www.chemteam.info/Redox/Redox.html
Monday, November 19, 2012 at 3:09pm by DrBob222

Chemistry
Here you can find all you ever wanted to know about redox equations. http://www.chemteam.info/Redox/Redox.html Here is a hint to help get you started. Mo changes from +3 on the left to +6 on the right.
Sunday, December 2, 2012 at 1:17am by DrBob222

chemistry
How can you tell? Look at the oxidation state of the elements and compare oxidn state on the left with the oxdn state on the right. If they change it is a redox equation. If not it is not a redox equation. I'll do the first one. Ba is +2 to +2 N is +5 to +5 O is -2 to -2 H is...
Wednesday, May 9, 2012 at 9:54pm by DrBob222

Chemistry
How to balance redox equations. http://www.chemteam.info/Redox/Redox.html
Wednesday, May 2, 2012 at 10:48am by DrBob222

chemistry
I don't know the identity of HO2. The OH needs a minus sign (OH^-). Cr goes from +3 on the left to +6 on the right. I don't see a reduction but it may be the HO2 (could that be H2O2?). Here is a good site that shows you everything you may need to know about redox. http://www....
Saturday, April 2, 2011 at 3:31pm by DrBob222

Chemistry
Here is a site that will show you how to assign oxidation numbers to each element. Do that with each equation. Redox equations will have some that change oxidation state; non-redox will not. For example, the first one is a redox equation. Zn changes from zero on the left to +2...
Sunday, December 2, 2012 at 1:06am by DrBob222

Chemistry
Zn + OH^- ==> Zn(OH)4^- + 2e 6H2O + NO3^- + 8e ==>NH3 + 9OH^- Here is a site that you can access for rules for assigning oxidation states up to an including how to balance redox equations (and half reactions). http://www.chemteam.info/Redox/Redox.html
Tuesday, May 18, 2010 at 11:07am by DrBob222

chemistry
Here is a set of rules for balancing half reactions in both acid and basic solutions. http://www.chemteam.info/Redox/Redox.html
Sunday, October 7, 2012 at 1:21am by DrBob222

chemistry
I don't know how to do this without ending up balancing the equation and you need to learn how to do it yourself. Here is a site that explains all about redox equations. Post back here for specific questions. You need to know the change in oxidation state; for S it is from +4 ...
Wednesday, May 16, 2012 at 8:43am by DrBob222

Chemistry
Here is a good site to show you how to do these. Post any specific questions you have. http://www.chemteam.info/Redox/Redox.html
Saturday, April 2, 2011 at 2:50pm by DrBob222

Chemistry
You need to learn how to do these yourself. The link below will help do anything you want to do with redox equations and this hint will help you get started. Fe changes from an oxidation state of +2 (each) on the left to +3(each) on the right. Mn changes from +7 on the left to...
Saturday, November 10, 2012 at 11:20pm by DrBob222

chemistry
I can tell you with some assurance that you will never balance chromate by using sulfite to sulfate. Here is a web site that will help you. http://www.chemteam.info/Redox/Redox.html
Monday, February 13, 2012 at 7:51pm by DrBob222

chemistry
That's a chapter or two in a book. Here is reading material. Post specific questions if you still have a problem. http://www.chemteam.info/Redox/Redox.html
Thursday, March 15, 2012 at 3:23pm by DrBob222

chemistry
This site is a good redox site. http://www.chemteam.info/Redox/Redox.html
Tuesday, February 14, 2012 at 10:00pm by DrBob222

chemistry
Here is a site that gives a great deal of information about balancing redox equations. http://www.chemteam.info/Redox/Redox.html Hint: Mn changes from an oxidation state of +7 on the left to +2 on the right. Zn changes from zero on the left to +2 on the right.
Tuesday, November 27, 2012 at 2:53pm by DrBob222

Chemistry
Piece a cake. Check out the site for balancing equations. 4HCl + 3As2O3 + 4NaNO3 + 7H2O --> 4NO + 6H3AsO4 + 4NaCl http://www.chemteam.info/Redox/Redox.html
Wednesday, February 5, 2014 at 1:47pm by DrBob222

chemistry
Here is a site that provide a lot of information on the redox equations including the half rxn method. http://www.chemteam.info/Redox/Redox.html I shall be happy to answer in specific questions you have to help get you started. The half rxns for #1 are H2O2 ==> H2O and Pb...
Friday, October 25, 2013 at 5:02pm by DrBob222

chemistry
If you don't know how to determine oxidation numbers you will have a tough time balancing redox equations. Here is a good site. http://dbhs.wvusd.k12.ca.us/webdocs/Redox/Redox-Rules.html
Friday, October 31, 2008 at 11:26pm by DrBob222

chemistry
MnO4^- + 8H^+ + 5e ==> Mn^2+ + 4H2O Don't memorize these half reactions; there are thousands. Instead, learn how to write them. Here is a site OR ask specific questions about what you may not understand. http://www.chemteam.info/Redox/Redox.html
Thursday, February 23, 2012 at 2:43pm by DrBob222

Chemistry
Minimal but simple rules to live by for redox. Oxidation numbers are nothing more than a book keeping method. http://dbhs.wvusd.k12.ca.us/webdocs/Redox/Meaning-of-Redox.html (Broken Link Removed)
Sunday, February 10, 2008 at 8:20pm by DrBob222

chemistry
Here are instructions for balancing redox equations. Here are some hints to get you started. Cr changes from +6 for each atom on the left to +3 on the right. S changes from +4 on the left to +6 on the right. http://www.chemteam.info/Redox/Redox.html
Monday, April 4, 2011 at 12:55am by DrBob222

chemistry
Here is a site that explains how to do it. Memorize the set procedure. http://www.chemteam.info/Redox/Redox.html Post any question you have about the procedure.
Friday, February 24, 2012 at 5:09pm by DrBob222

Chemistry
You need the practice of doing these. H is+1, Cl is -1, N is +5 in HNO3 and O is -2. I'll leave the others for you. Here is a site that should help if you have trouble. http://www.chemteam.info/Redox/Redox-Rules.html
Saturday, September 22, 2012 at 10:28pm by DrBob222

Chemistry
You need to learn how to do these yourself. Here is a good site that covers all the basics of redox equations. I can help get you started. Mn changes from an oxidation state of +7 on the left to +2 on the right. C changes from +3 for EACH C on the left to +4 each on the right...
Wednesday, November 14, 2012 at 3:12pm by DrBob222

Chemistry
I would call V +5 and N -3. Mn is +7 and oxygen is -2. Here is a good web site. http://www.chemteam.info/Redox/Redox-Rules.html
Friday, January 13, 2012 at 5:10pm by DrBob222

chem
Mn goes from +7 in MnO4- to +2 in Mn. Fe goes from +2 to +3. Here is a site all about redox and balancing redox equations. http://www.chemteam.info/Redox/Redox.html
Wednesday, April 11, 2012 at 6:22pm by DrBob222

Chemistry
You need to know how to do this; therefore, please tell me what trouble you're having. I expect you know more about this than you think. Here is a site to show you how to do oxidation states. http://www.chemteam.info/Redox/Redox-Rules.html
Wednesday, July 18, 2012 at 7:35pm by DrBob222

Chemistry
You need to learn to do these yourself; here is a site that will tell you everything you've ever wanted to know about balancing redox equations. I will help get you started. I would start by balancing the Cl03^- + Cl^- ==> Cl2 Then balance Cl^- ==> ClO2. Finally, add the...
Sunday, December 2, 2012 at 8:07pm by DrBob222

Chem--PLEASE HELP 911
Here is a site that shows you how to balance redox equations. Repost with specific questions. I can help you through it but you must learn how to do this. http://www.chemteam.info/Redox/Redox.html
Thursday, April 25, 2013 at 12:22pm by DrBob222

chemistry
Here is a good site for the rules for determining oxidation state. I'll me glad to check your assignment. http://www.chemteam.info/Redox/Redox-Rules.html
Saturday, June 12, 2010 at 9:21pm by DrBob222

AP Chemistry
You need to learn how to do these without my help. Here is a site that very good with redox methodology. To give you a hint and help you through the laborious work, I can tell you that BOTH I atoms change from zero on the left to -2 total on the right. S changes from +8 for ...
Friday, October 26, 2012 at 2:43pm by DrBob222

Inorganic chemistry
http://www.chemteam.info/Redox/Redox.html
Sunday, December 16, 2012 at 5:52am by DrBob222

analytical chemistry
http://www.chemteam.info/Redox/Redox.html
Thursday, February 14, 2013 at 8:27pm by DrBob222

chemistry
Here is a simplified list or rules for determining the oxidation state. http://www.chemteam.info/Redox/Redox-Rules.html Zn is +2, P is +5, O is -2
Thursday, September 30, 2010 at 10:12pm by DrBob222

chemistry
S is +4 and not -2 O is -2, correct. BUT Ag is +1. Remember a compound is zero; therefore, 3 O at -2 each is -6, S is +4, which makes 2Ag +2 or +1 each. You are on the money for NaClO4. Na is +1 Cl is +7 Each O is -2. Here is a good site if you need the rules. http://www....
Tuesday, September 28, 2010 at 11:04pm by DrBob222

Chemistry
Here is a better page. http://www.chemteam.info/Redox/Redox-Rules.html
Sunday, April 12, 2009 at 11:26am by DrBob222

chemistry
Usually to accelerate the redox reraction/titration but it isn't necessary for all redox titrations.
Monday, January 12, 2009 at 1:38pm by DrBob222

Chemistry
what are redox/non-redox not getting it? Can you break it down?
Friday, October 12, 2012 at 12:03am by Help

chemistry
Here is a site that will help you balance this if that is your question. Here are some hints also. Mn changes from +7 to +2 N (in KNO2) changes from +3 to +5(in KNO3). http://www.chemteam.info/Redox/Redox.html
Friday, May 18, 2012 at 11:05pm by DrBob222

chemistry
Where do you start? By assigning oxidation numbers to each of the elements to determine which have changed. Here is a hint to get you started. Cr changes from +6 for EACH Cr on the left to +3 on the right. Cu changes from zero on the left to +2 on the right. You need to learn ...
Saturday, November 24, 2012 at 2:46pm by DrBob222

Chemistry
What's the trouble. Cr goes from +6 for EACH Cr atom to +3. Br goes from -1 to 0. Here is a site that tells you how to do it but I can help if you identify the problem. http://www.chemteam.info/Redox/Redox.html
Friday, February 24, 2012 at 11:25pm by DrBob222

Chemistry URGENT
Li is right as is O. As is not right. As is +5 Here is a good site that explains how to do oxidation numbers. http://www.chemteam.info/Redox/Redox-Rules.html
Sunday, April 6, 2014 at 7:00pm by DrBob222

Chemistry
+4 on the left; +6 on the right. http://www.chemteam.info/Redox/Redox-Rules.html
Monday, June 3, 2013 at 4:52pm by DrBob222

Chemistry
Here is the site. http://www.chemteam.info/Redox/Redox-Rules.html
Wednesday, October 23, 2013 at 11:54pm by DrBob222

chemistry
http://www.chemteam.info/Redox/Redox.html
Thursday, January 13, 2011 at 10:08am by DrBob222

Chemistry
http://www.chemteam.info/Redox/Redox.html
Saturday, April 14, 2012 at 8:06pm by DrBob222

Chemistry
http://www.chemteam.info/Redox/Redox.html
Monday, April 16, 2012 at 11:12am by DrBob222

chemistry
http://www.chemteam.info/Redox/Redox.html
Friday, April 27, 2012 at 10:23am by DrBob222

chemistry
http://www.chemteam.info/Redox/Redox.html
Friday, April 27, 2012 at 10:23am by DrBob222

Chemistry
http://www.chemteam.info/Redox/Redox.html
Tuesday, February 12, 2013 at 9:23pm by DrBob222

chemistry
You need to learn how to determine this. Here is a set of rules that will allow you to determine the oxidation state of each element in each equation. Then you can answer the question. http://www.chemteam.info/Redox/Redox-Rules.html
Sunday, November 28, 2010 at 7:45pm by DrBob222

college
Balancing redox equations follows a set of rules. Surely you have those rules. If not, here is a site to help you get started. Otherwise, what is it you don't understand about the process. http://www.chemteam.info/Redox/Redox.html
Sunday, August 8, 2010 at 8:16pm by DrBob222

chemistry
S is +6. O is -2 Here is a simplified set of rules. http://www.chemteam.info/Redox/Redox-Rules.html
Thursday, September 30, 2010 at 8:35pm by DrBob222

Chemistry
NaOH + HCl ==> NaCl + H2O is a non-redox equation. Specifically it i an acid/base equation. But you see I have 1 Na, 1 O, 1 Cl, an 2H atoms on each side. KMnO4 + 5FeCl2 + 8HCl ==> 5FeCl3 + MnCl2 + 4H2O + KCl You see I have 1 K, 1 Mn, 4 O, 5 Fe, and 18 Cl atoms on each ...
Friday, October 12, 2012 at 12:03am by DrBob222

chemistry
Try 6. http://www.chemteam.info/Redox/Redox-Rules.html
Sunday, September 5, 2010 at 11:14am by DrBob222

Chemistry-Oxidation
http://www.chemteam.info/Redox/Redox-Rules.html
Sunday, August 4, 2013 at 6:31pm by DrBob222

chemistry
I do these this way. First, I keep H and O "normal" if I can and let C change to whatever I need. The formula becomes C3H6O2 H = +1 each x 6 = +6 O = -2 each x 2 = -4 Which means C must be -2 for three of them or -2/3 each to make the compound zero (and all compounds are zero...
Wednesday, April 27, 2011 at 4:57pm by DrBob222

CHEM 1A
You need to learn to do these yourself. Here is a site that covers all aspects of redox equations. If you have specific questions about portions of this you don't understand I can help you through the equations. http://www.chemteam.info/Redox/Redox.html
Sunday, November 4, 2012 at 1:46pm by DrBob222

chemistry
These are far to detailed to do them justice on the web. Here is a site that explains how to balance redox equations. http://www.chemteam.info/Redox/Redox.html I can help a little by getting you started. Mg changes from zero on the left to +2 on the right. Au changes from +1 ...
Wednesday, February 8, 2012 at 11:18pm by DrBob222

Chemistry
Here are all of the rules. Pick the appropriate link. I think the one you want is #4. Repost with clear question about what isn't clear. http://www.chemteam.info/Redox/Redox.html I do these a different way but I think the method on the link is easier for beginning students.
Saturday, November 23, 2013 at 11:53am by DrBob222

chemistry
http://www.chemteam.info/Redox/Redox.html Hint: Cr is +6 on the left and +3 on the right. N is +2 on the left and +5 on the right.
Friday, April 19, 2013 at 4:25pm by DrBob222

chemistry
http://www.chemteam.info/Redox/Redox-Rules.html
Friday, April 23, 2010 at 2:16am by DrBob222

Chemistry
http://www.chemteam.info/Redox/Redox-Rules.html
Monday, May 3, 2010 at 4:11pm by DrBob222

Chemistry.
http://www.chemteam.info/Redox/Redox-Rules.html
Sunday, August 29, 2010 at 10:26pm by DrBob222

Chemistry
http://www.chemteam.info/Redox/Redox-Rules.html
Thursday, March 10, 2011 at 3:16pm by DrBob222

Chemistry
http://www.chemteam.info/Redox/Redox-Rules.html
Tuesday, August 23, 2011 at 4:13pm by DrBob222

chemistry
http://www.chemteam.info/Redox/Redox-Rules.html
Tuesday, October 25, 2011 at 8:43am by DrBob222

chemistry
http://www.chemteam.info/Redox/Redox-Rules.html
Tuesday, October 25, 2011 at 8:42am by DrBob222

Chemistry
http://www.chemteam.info/Redox/Redox-Rules.html
Thursday, May 3, 2012 at 10:41pm by DrBob222

Chemistry
http://www.chemteam.info/Redox/Redox-Rules.html
Sunday, September 30, 2012 at 5:21pm by DrBob222

CHEMISTRY
You write down the half equation. Sn^2+ ==> Sn^4+. The charge on the left is 2+. On the right it is 4+ . You add 2e (each with a - charge to the right so the charge balances. That is one of the simple ones and the Fe is the same way. Others may be a little more complicated ...
Monday, December 9, 2013 at 11:09pm by DrBob222

Chem I
Do you know how to assign oxidation numbers? If not, here is a good site. Both reactions you have are redox reactions. http://www.chemteam.info/Redox/Redox-Rules.html
Monday, November 15, 2010 at 11:41pm by DrBob222

chemistry
It isn't one of those. It's a redox equation. Some redox equations are more than one; i.e., C + O2 ==> CO2 is a combustion reaction, it is a synthesis reaction and it is a redox reaction. The four types you mention are the four common ones used to introduce students to ...
Sunday, February 26, 2012 at 3:57pm by DrBob222

college chemistry
Here is a web site that tells you how to do this. To balanced these you need 1. how to determine the oxidation state of elements. 2. how to determine the loss and gain of electrons. 3. the system for balancing half equations. 4. how to add the oxidation half to the reduction ...
Tuesday, February 14, 2012 at 5:50pm by DrBob222

Chemistry
NH3(g) + 202(g) = HNO3(aq) +H2O (l) Is this reaction a combination, decomposition, single replacement, double replacment or other? Also is it redox or non redox?
Monday, May 3, 2010 at 3:45pm by Al

chemistry
i need help to understand the problem.. what is the relationship between the numbers of electrons gained and lost in a redox reaction? Do all electrochemical cells involve redox reactions?
Saturday, November 16, 2013 at 12:53pm by S1D

Chemistry
Assign oxidation numbers to each atom on each side and notice that the oxidation number does not change; i.e., Ca is +2 on the left and +2 on the right. Here is a good site to show how to determine oxidation numbers. Post if you still have questions but tell exactly what your ...
Saturday, January 26, 2013 at 5:23pm by DrBob222

chemistry
Just a few rules to remember and you can determine the oxidation number for most elements. http://dbhs.wvusd.k12.ca.us/webdocs/Redox/Redox-Rules.html
Thursday, April 3, 2008 at 3:22pm by DrBob222

Chemistry
Redox equations have a procedure to follow. Non-redox equations are done by trial and error.
Thursday, October 11, 2012 at 11:55pm by DrBob222

chemistry
You need to re-read the chemistry book chapter(s). I'm not sure I buy the equations you have written; the first one shows Fe changing from +2 to +3, which is OK, but the second one shows no change in Mn. It should change from +7 on the left to +2 on the right and a more likely...
Tuesday, January 5, 2010 at 11:27am by DrBob222

AP Chemistry
redox reaction: Hydrogen peroxide is added to an acidified solution of potassium permanganate. what is the total redox reaction?
Monday, September 23, 2013 at 8:45pm by Gabriella

Chem
Here are the rules. Let me know if you need clarification or post your results and I'll be glad to check them. http://www.chemteam.info/Redox/Redox.html
Sunday, May 9, 2010 at 9:51pm by DrBob222

Chemistry
Go through the equation and assign oxidation numbers to each element. Look at the elements that have changed oxidation state. The loss of electrons is oxidation and gain of electrons is reduction. Here is how you assign oxidation numbers. http://www.chemteam.info/Redox/Redox-...
Thursday, October 13, 2011 at 5:46pm by DrBob222

Chemistry PLEASE HELP!
MnO2 + Br^- ==> BrO3^- + Mn^2+ Here is a site that shows you how to balance the two half reactions. http://www.chemteam.info/Redox/Redox.html Hint: Mn changes from +4 in MnO2 to +2 in Mn^2+. Br changes from -1 in Br^- to +5 in BrO3^-
Friday, May 3, 2013 at 8:50pm by DrBob222

chem
Here are several links that may help. http://www.chemteam.info/Redox/Redox.html
Tuesday, November 15, 2011 at 8:08pm by DrBob222

chem grade 12
Here is a good site to learn how to do these. Oxygen is -2 for each atom. http://www.chemteam.info/Redox/Redox-Rules.html
Tuesday, January 31, 2012 at 9:49pm by DrBob222

chemistry
http://dbhs.wvusd.k12.ca.us/webdocs/Redox/Redox-Rules.html
Saturday, May 24, 2008 at 6:51pm by DrBob222

chemistry
redox reaction..types of redox reaction and explain
Thursday, March 15, 2012 at 3:23pm by faith

General Chem II
http://www.chemteam.info/Redox/Redox.html
Wednesday, March 9, 2011 at 8:12pm by DrBob222

Chemistry
MnO4^- ==> Mn^2+ H2O2 ==> O2 ----------------- Here is a site that shows you how to do this. Follow up with any questions regarding what you don't understand. To help you get started, Mn changes from +7 on the left to +2 on the right. O2 changes from -2 on the left (for ...
Friday, May 4, 2012 at 8:16am by DrBob222

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