Wednesday
April 16, 2014

Search: Balance the equation in aqueous basic solution: ClO3-(aq) + Fe(OH)3(s) → FeO42-(aq) + Cl-(aq)

Number of results: 80,598

chem help please
If 720 mL of 0.0165 M aqueous Al3+ and 300 mL of 0.0567 M aqueous Ca2+ are reacted, how many mol of Br- is produced? Al2(SO4)3(aq) + 3 CaBr2(aq) → 2 AlBr3(aq) + 3 CaSO4(s) my answer was .03564 mol of Br will be produced but the real answer is .0340 mol...i do not know ...
Saturday, April 4, 2009 at 8:06pm by janice

Chemistry
For which of the following aqueous salts will electrolysis produce hydrogen gas and oxygen gas? Answered the hint in Mastering Chem & looked over the book and I still have no idea. Check all that apply: A) NiF_2(aq) B) NaF(aq) C) NiI_2(aq) D) NaI(aq) E) CuBr(aq)
Thursday, November 8, 2012 at 10:23pm by Mike

12 chemistry
Write the balanced chemical equation for each reaction: K2MnO4(aq)+H2SO4(aq)+NaHSO3(aq)= ? K2MnO4(aq)+NaOH(aq)+NaHSO3(aq)= ? start with the net ionic equations.
Monday, September 28, 2009 at 7:02pm by izzy

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
Balance the following redox reactions assuming a basic solution. Show all the steps. a. MnO2(s) -> MnO4^-2 + H2 (g) b. H2O2 (aq) + Cl2O7 (g) -> ClO2- (aq) + O2 (g) How can you balance these if for example in part a., there is no H on the left side... can I just add it in?
Monday, November 1, 2010 at 1:03pm by Dana

Chemistry
Identify the spectator ion(s) in the following reaction: Cu(OH)2(s) + 2H+(aq) + 2Cl–(aq) ---> Cu2+(aq) + 2Cl–(aq) + 2H2O(l) a. Cu2+ and Cl- b. H+ and Cl– c. Cu(OH)2 d. Cl– e. Cu2+
Tuesday, March 23, 2010 at 5:45am by Zakaria

chemistry
If K = 1.8 x 10 for HC2H3O (aq) <=> H+(aq)+C2H3O2-(aq), and 100 mL of aqueous solution has [HC2H3O2] = 0.50 M, [H+] = 0.090 M, and [C2H3O2-] 0.0010 M, is the system at equilibrium?
Sunday, July 27, 2008 at 10:19pm by alexis

chemistry
Write the molecular equation. I assume CuCl2 and NaOH are in solution. They won't react as dry compounds. CuCl2(aq) + 2NaOH(aq) ==> Cu(OH)2 + 2NaCl(aq) Now separate each compound into ions using the following guidelines. Aqueous solutions of strong electrolytes are written ...
Tuesday, October 2, 2007 at 3:05pm by DrBob222

chemistry
A 0.1943g iron ore sample was dissolved in hydrochloric acid and the iron was obtained as Fe 2+ (aq). The iron solution was titrated with Ce 4+ solution according to the balanced chemical reaction shown below.After calculation, it was found that 0.0237 g of iron from the ore ...
Sunday, October 17, 2010 at 6:51pm by matt

Chemistry
Hydrogen peroxide, H2O2, solution can be purchased in drug stores and used as an antiseptic. A sample of such a solution weighing 1.00 grams was acidified with sulfuric acid and titrated with .02000 M solution of KMnO4. The unbalanced reaction is H2O2(aq) + MnO4-(aq)--> O2(...
Thursday, April 15, 2010 at 5:55am by HELP!!!

Chemistry
When solutions of KCl and Pb(NO3)2 are mixed, a precipitate forms. Which of the following is the balanced equation for the double replacement reaction that occurs? a. KCl(aq) + Pb(NO3)2 (aq) ¨ KNO3 (aq) + PbCl2 (s) b. KNO3 (aq) + PbCl2 (s) ¨ KCl(aq) + Pb(NO3)2 (aq) c. K+ (aq...
Friday, November 30, 2012 at 6:37pm by Z

chemistry
Copper(I) ions in aqueous solution react with NH3(aq) according to Cu+(aq) + 2NH3(aq) -->Cu(NH3)2^+ Kf = 6.3x10^10 Calculate the solubility (in g·L–1) of CuBr(s) (Ksp = 6.3× 10–9) in 0.41 M NH3(aq).
Monday, February 13, 2012 at 6:33pm by Katie

Chemistry- Please help!!
Using standard reduction potentials, calculate the standard Ecell, emf, for each of the following reactions. State if each reaction is spontaneous or nonspontaneous. (Use the below reactions AS WRITTEN, DO NOT REARRANGE ANY REACTIONS.) You must show the two half-reactions and ...
Saturday, April 16, 2011 at 5:05pm by Anna

chemistry
H^+(aq) + I^-(aq) + K^+(aq) + OH^-(aq) ==> H2O(l) + K^+(aq) + (I^-)(aq) The net ionic equation is H^+(aq) + OH^-(aq) ==> H2O(l)
Thursday, November 7, 2013 at 4:25pm by DrBob222

Chemistry
Na3PO4(aq) + CaCl2(aq) ==>Ca3(PO4)2(s) + NaCl(aq) You can balance it and convert to net ionic equation following the last two-three questions I've done for you.
Saturday, October 16, 2010 at 5:11pm by DrBob222

chemistry(check my work on anothe rproblem)
When a reaction mixture with a total volume of 1390 mL that is 0.00791 M aqueous Ba2+ was stoichiometrically produced as per the balanced equation, what mass (g) of Ba2+ was required? Ba(OH)2(aq) + 2 HClO4(aq) → Ba(ClO4)2(aq) + 2 H2O(l) .00791x1.39=mole of Ba2+ mole of ...
Saturday, April 3, 2010 at 1:28am by eng

Chemistry
Identify the spectator ion(s) in the following reaction: Cu(OH)2(s) + 2H+(aq) + 2Cl–(aq) Cu2+(aq) + 2Cl–(aq) + 2H2O(l) a. Cu2+ and Cl- b. H+ and Cl– c. Cu(OH)2 d. Cl– e. Cu2+
Tuesday, March 23, 2010 at 5:34am by Khin

Chemistry
Chlorine gas + aqueous sodium bromide --> aqueous bromine + aqueous sodium chloride. I got: Cl2+2NaBr2(aq)-> Br2(aq)+2NaCl2(aq) Is this right ?
Monday, January 7, 2013 at 4:52pm by John

science
6 FeCl2(aq) + K2Cr2O7(aq) + 14 HCl(aq) ==> 6 FeCl3(aq) + 2 CrCl3(aq) + 2 KCl(aq) + 7 H2O(l) How many milliliters of 0.0750 M K2Cr2O7(aq) will react with 0.038 mol of FeCl2(aq)? I used the equation Molarity=Mole/Volume and divided my answer by 1000 to get milliliters. I'm ...
Wednesday, February 5, 2014 at 5:54pm by Cassie

Chemistry
6 FeCl2(aq) + K2Cr2O7(aq) + 14 HCl(aq) ==> 6 FeCl3(aq) + 2 CrCl3(aq) + 2 KCl(aq) + 7 H2O(l) How many milliliters of 0.0750 M K2Cr2O7(aq) will react with 0.038 mol of FeCl2(aq)? I used the equation Molarity=Mole/Volume and divided my answer by 1000 to get milliliters. I'm ...
Thursday, February 6, 2014 at 10:32am by Cassie

chemistry
(a) 3NiCl2(aq) + 2Na3PO4(aq) ---> Ni3(PO4)2(s) + 6NaCl (b) 3Ni^+2(aq) + 6Cl^-(aq) + 6Na^+(aq) + 2PO4^-3(aq) ---> Ni3(PO4)2(s) + 6Cl^-(aq) + 6Na^+(aq) (c) [Cancel out the ions that have not changed to get the net ionic equation]
Thursday, December 3, 2009 at 9:55am by GK

Chemistry
Which two solutions, when mixed together, will undergo a double replacement reaction and form a white, solid substance? 1. NaCl(aq) and LiNO3(aq) 2. KCl(aq) and AgNO3(aq) 3. KCl(aq) and LiCL(aq) 4. NaNO3(aq) and AgNO3(aq) I know the answers 2 but I have no idea why.. thanks.
Wednesday, January 23, 2008 at 12:52pm by TJ

General Chemistry
When a solution of nickel (II) chloride is mixed with a stoichiometric amount of colorless sodium hydroxide solution, a green, gelatinous precipitate forms. (a) Write the balanced molecular equation and the net-ionic equation for this reaction. molecular: Ni(Cl)2 (aq) + NaOH (...
Tuesday, July 16, 2013 at 6:37pm by <3

chemistry
2KOH + H2SO4 ==>2H2O + K2SO4 2K^+(aq) + 2OH^-(aq) + 2H^+(aq) + SO4^-2(aq) ==> 2H2O(l) + 2K^+(aq) + SO4^-2(aq) The net ionic equation is 2OH^-(aq) + 2H^+(aq) ==> 2H2O(l) Then I would divide by 2 to give simply OH^-(aq) + H^+(aq) --> H2O(l) but your prof may frown on...
Tuesday, October 12, 2010 at 6:47pm by DrBob222

Chemistry
NO2-(aq) + 2Al(s) + H2O + OH→ NH3(aq) + 2AlO2-(aq) This is what I got
Tuesday, May 31, 2011 at 6:26pm by Jessie

science
Na2SO4(aq)+CaI2(aq)→CaSO4(s)+2NaI(aq) as net ionic
Wednesday, March 26, 2014 at 2:39pm by Anonymous

chemistry
Determine the emf for the cell noted below. (For Co3+(aq) + e- → Co2+(aq), E0 = 1.80 V, and for Na+(aq) + e- → Na(s), E0 = -2.71 V.) Na(s) | Na+(aq) || Co3+(aq), Co2+(aq) | Co(s) What is being oxidized? What is being reduced? What has the more positive reduction ...
Friday, April 27, 2012 at 10:22am by Anonymous

chem--electrochemistry
The balanced equation is 3Ag(s) + Fe^+3(aq) ==> Fe(s) + 3Ag^+(aq) Three electrons are transferred for each Fe^+3 transformed to Fe solid. I presume you doing this with some device, like a battery, to make the reaction go. I don't think it will occur spontaneously.
Sunday, March 28, 2010 at 6:04pm by DrBob222

Chemistry
what is the 1. chemical equation 2. complete ionic equation 3. net ionic equation include phase of HCH3COO+NaHCO3 pls correct my answers 1. CH3COOH(aq)+NaHCO3(aq)+CH3COONa(aq)+H2O(l)+CO2(g) 2. CH3COOH(aq)+OH-(aq)=CH3COO-(aq)+H2O(l) 3. OH(aq)+CO2(g)
Monday, October 8, 2012 at 2:30am by chemdummy

chemistry... HELP
Equilibrium constant question!!!? Standard reduction potentials Reduction half-reaction E(V) Ag+(aq) + e- ---> Ag (s) 0.80 Cu ^2+ (aq) + 2e- ---> Cu (s) 0.34 Sn^4+(aq) + 4e- ---> Sn (s) 0.15 2 H+(aq) + 2e- ---> H2 (g) 0 Ni^2+(aq) + 2e- ---> Ni (s) -0.26 Fe^2+ (...
Saturday, November 3, 2012 at 3:58pm by Ann

Chemistry(Please check)
Which of the following equations correspond to the Ka2 for phosphoric acid? note: the double equal sign (==) means equilibrium. a) HPO42- (aq) + H2O (l) == H3O+(aq) + PO43-(aq) b) PO43- (aq) + H2O (l) == HPO42-(aq) + OH–(aq) c) H3PO4 (aq) + H2O (l) == H3O+(aq) + H2PO4-(aq) d) ...
Sunday, April 1, 2012 at 9:52pm by Hannah

Chemistry
Calculate the volume of 1.0 M copper(II) sulfate solution required to completely react with 1.0 g of Fe(s) according to this equation: 2 Fe(s) + 3 Cu^2+ (aq) --> 2 Fe^3+ (aq) + 3 Cu (s). the copper in the reactant has a charge of 2+ and the iron in the product has a charge ...
Tuesday, March 5, 2013 at 8:26pm by Sabrina

Chemistry
I wrote the dissociation or ionization in water for each of the following acids. I just want someone to check if they are right. a) HC3H5O2(aq)<===> H^+(aq)+ C3H5O2^-(aq) b) (CH3)2NH2^+(aq)<===> H^+(aq)+ (CH3)2NH(aq) c) CH3COOH(aq)<===> H^+(aq)+ CH2COOH^-(aq...
Wednesday, February 16, 2011 at 12:18am by Sara

Chemistry
BrO3^-(aq)+Sn^2+(aq)+ ____ -->Br^-(aq)+Sn^4+(aq)+ _____ H20(l)and H^+(aq) are involved in the reaction. What are the coefficients of the six species in the balanced equation above? Remember to include coefficients for H2O(l) and H+(aq) in the appropriate blanks.
Tuesday, March 9, 2010 at 5:31pm by Anonymous

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)+...
Friday, October 29, 2010 at 9:09pm by Lisa

CHEM
NH3 is ammonia. NH4+ is the ammonium ion. Note that your equation has no S on the reactant side; therefore, you can't produce S on the right. The question is sparse on details. Is this aqueous solution, gas phase reaction, or what? And what makes it an acid/base reaction? 2NH4...
Wednesday, January 18, 2012 at 6:57pm by DrBob222

Chemistry
The spectator ions are those that cancel when writing the net ionic equation. For example, an acid/base reaction between HCl and NaOH is HCl(aq) + NaOH(aq) ==> NaCl(aq) + H2O(l) We turn that into an ionic equation--you can add the aq part to each. H^+ + Cl^- + Na^+ + OH...
Tuesday, November 9, 2010 at 1:46pm by DrBob222

chemistry 105
Complete and balance each of the following equations, some may have no reactions. NaNO3(aq)+KCl(aq)--> NaCl(aq)+Hg2(C2H3O2)2(aq)--> note that Hg(I)^+1 interacts with another Hg(I)^+1 ion to produce the cation Hg2^2+ (NH4)2SO4(aq)+CuCl2(aq)-->
Monday, October 10, 2011 at 10:53pm by julie

Chemistry
Using the balanced reaction, enter the formula, charge(if any), and state of the species (exclude H2O) in solution if neither reactant is present in stoichiometric excess. Separate your answers by comma. Pb(NO3)2(aq) + 2NaI(aq) → PbI2(s) + 2NaNO3(aq)
Tuesday, November 23, 2010 at 11:45pm by Amrita

Chemistry
I was supposed to figure out whether the following equations produced precipitates or not. Here are my answers, but I know that they are wrong. So I still can't figure out where I'm messing up...? Please help! HgCl2 (aq) + K2CrO4 (aq) = Yes Ba(OH)2 (aq) + NaClO3 (aq) = No ZnI2...
Sunday, January 13, 2008 at 1:44pm by Cierra

chemistry
The molecular equation. AgNO3(aq) + KBr(aq) ==> AgBr(s) + KNO3(aQ) The net ionic equation is Ag^+(aq) + Br^-(aq) = AgBr(s) I will leave the total ionic equation to you. Post your work if you need further help.
Monday, June 20, 2011 at 4:14pm by DrBob222

Chemistry
How many milliliters of 0.277 M AgNO3 solution are needed to react completely with 47.1 mL of 0.278 M NaCl solution? How many grams of AgCl will be formed? The reaction is NaCl(aq) + AgNO3(aq) → AgCl(s) + NaNO3(aq)
Tuesday, November 1, 2011 at 10:31am by Lynn

science/chemistry
Qc for the following chemical reaction 3CIO2-(aq)<-->2CIO3-(aq)+Cl-(aq) Choices A:3[CIO2-]/2[CIO3-][Cl} B:2[CIO3-][Cl]/3[CIO2-] C:[CIO2-]^3/[CIO3-]^2[Cl-] D:[CIO3-]^2[Cl-]/[CIO2-]^3 I like B: what would you go for?? thanks all
Monday, May 10, 2010 at 11:09pm by Stuck

chemistry
the net ionic equation for the following molecular equation KNO2(aq) + HCl(aq) KCl(aq) + HNO2(aq)
Wednesday, October 10, 2012 at 9:05pm by Jasmine

chemistry
Pt(s) | Mn2+(aq), MnO4-(aq), H+(aq) || H+(aq), IO3-(aq) | I2(s) | Pt(s) Pt(s) | Mn2+(aq) | MnO2(s) | H+(aq) || H+(aq) || PbO2(s) | Pb2+(aq) | Pt(s) how come the first one has comas within cell notation but not the second one,
Thursday, June 3, 2010 at 10:32pm by eng

Easy chem question... me=braindead, help please?
It's been so long I forget which ones are which. My balanced equation is Sr(NO3)2 + 2KIO3 --> Sr(IO3)2 + 2KNO3. It wants the total ionic and the net ionic Thanks ^^ (not just looking for answer, want explanation too please, just a short one) In aqueous solution, this would ...
Thursday, March 1, 2007 at 12:32am by Angie

chemisty
When magnesium metal and an aqueous solution of hydrochloric acid combine, they produce an aqueous solution of magnesium chloride and hydrogen gas. Using the equation, Mg (s) + 2HCl (aq) MgCl2 (aq) + H2 (g), if 24.3 g of Mg and 75.0 g of HCl are allowed to react, calculate the...
Sunday, November 17, 2013 at 2:57pm by kim

CHEMISTRY
1.) A 500.0 mL aliquot of 0.800 M aqueous iron(III) chloride is mixed with ! 400.0 mL of 0.300 M aqueous sodium phosphate. a.)! Write a complete molecular equation for this reaction, including phases My answer: FeCl3 (aq) + Na3PO4 (aq) ----> FePO4(s)+ 3NaCl (aq) b.)! Write ...
Friday, October 25, 2013 at 5:48pm by DrBob222

chemistry
for example this problem. the n is 6. how do we derive that? The galvanic cell described by the balanced chemical equation has a standard emf of 0.10 V. Calculate the maximum electrical work (kJ) the cell has done if 1987.2 g of Cr2O72-(aq) (Molar Mass - 216.00 g/mol) reacts. ...
Sunday, June 6, 2010 at 12:07am by me

chemistry
Ba2+(aq)+2I−(aq)+2Na+(aq)+SO2−4(aq)→BaSO4(s)+2I−(aq)+2Na+(aq)
Monday, July 8, 2013 at 9:50pm by Michelle

chemistry 12
Identify the two conjugate acid-base pairs in each of the following. a.) H2PO4-(aq)+HSO4-(aq) <=> H2PO4(aq)+ SO4^-2(aq) b.) HI(aq)+ CN-(aq)<==>HCN-(aq)+ I-(aq)
Thursday, October 13, 2011 at 10:41am by shelly

Chemistry
If 0.870 mol of liquid Br2 and 720 mL of 0.958 M aqueous NaI are reacted stoichiometrically according to the balanced equation, how many grams of solid I2 are produced? 2NaI(aq) + Br2(l) → 2NaBr(aq) + I2(s) help please. :)
Tuesday, February 23, 2010 at 5:24pm by Keri

Chem -plz check work
so i've worked on this some more, now I am asking if someone will plz check my work 2 half cells in a galvanic cell consist of one iron Fe(s) electorde in a solution of iron (II) sulphate FeSO4(aq)and a silver Ag(s) electrode in a silver nitrate solution, a)state the oxidation...
Tuesday, June 3, 2008 at 6:36pm by Sarah H

chem
Fe(s) + Cu^2+(aq)--> Fe^2+(aq) +Cu(s)(1) 2Fe(s) + 3Cu^2+(aq)--> 2Fe^3+(aq) +3Cu(s) (2) suppose that you use 1.110 g of Iron in this experiment what is the minimum volume of 1.0M of copper sulfate solution that you should add? Hint: since you dont know whether equation 1 ...
Monday, September 17, 2007 at 10:17pm by cindy

Chem Hmwrk
Iodine can be prepared by bubbling chlorine gas through an aqueous solution of sodium iodide: 2NaI(aq) + Cl2(g) → I2(s) + 2NaCl(aq) How many grams of sodium iodide are required to produce 98 g of iodine?
Thursday, October 11, 2012 at 1:02am by Jon

Chem
If 390 mL of 0.0410 M aqueous NaI(aq) and 1.36 g of liquid Br2 are reacted stoichiometrically according to the equation, what mass (g) of NaI(aq) remained? 2 NaI(aq) + Br2(l) ¨ 2 NaBr(aq) + I2(s) Molar Mass (g) NaI(aq) 149.89 Br2 159.81 Molar Volume (L) 22.400 at STP Gas ...
Tuesday, January 13, 2009 at 11:19pm by Brad

General Chemistry
What is the molarity of OH- in a 5.78×10-3 M C6H5CO2Na solution that hydrolyzes according to the equation. C6H5CO2-(aq) + H2O(l) = OH-(aq) + C6H5CO2H(aq)
Friday, November 5, 2010 at 7:03pm by carly

chemistry
complete and balance the following molecular equations and then write net ionic equations for each reaction. BaCl2(aq) + K2SO4(aq) KNO3(aq) + HCl(aq)
Tuesday, June 21, 2011 at 8:20am by chelsea

Chemistry Help Please!
SHOW WORK PLEASE SO I CAN DO THE REST OF MY HW BY LOOKING AT THIS QUESTION. The decomposition of hydrogen peroxide is catalyzed by iodide ion. The catalyzed reaction is thought to proceed by a two-step mechanism: 1. H2O2(aq) + I(aq) → H2O(l) + IO(aq) (slow)  &#...
Tuesday, January 21, 2014 at 2:01pm by Josh

chemistry
balance the redox equations: IO3-(aq) -> I2(aq) and I-(aq) -> I2(aq) balance the redox equation: S2O3(-2) -> S4O2(2-) and I3- -> I-
Sunday, April 17, 2011 at 2:28pm by Jake

Chemistry
I will assume you had those typos and the equation is 2CrI3(aq)+3Na2CO3(aq) ---> Cr2(CO3)3(s) + 6NaI(aq) 2Cr^3+(aq) + 6I^-(aq) + 6Na^+(aq) + 3CO3^2-(aq) ==> Cr2(CO3)3(s) + 6Na^+(aq) + 6I^-(aq) 6I^- cancel 6Na^+ cancel which leaves the net ionic equation as 2Cr^3+(aq) + ...
Saturday, March 1, 2014 at 8:08pm by DrBob222

Chemistry
Equation 2 is Fe2+ (aq) + MnO4 –(aq) 􀃆 Fe3+(aq) + Mn2+(aq) Concentration of KMnO4 is 0.0082003124
Monday, July 12, 2010 at 6:10am by Sam

chemistry
Could I get some help with these please? Thanks Calculate the electrical potential (V). Ag/1M Ag+1// 1M Fe+3/Fe Ag2+( aq ) + e – Ag+( aq ) 1.98 Fe3+( aq ) + 3e – Fe(s) –0.04 2. A voltaic cell is reconstructed used electrodes based on the following half reactions: Pb2+ ( aq...
Wednesday, April 23, 2008 at 10:22am by valenti

chemistry
Fe(s) + Cu^2+(aq)--> Fe^2+(aq) +Cu(s)(1) 2Fe(s) + 3Cu^2+(aq)--> 2Fe^3+(aq) +3Cu(s) (2) suppose that you use 1.110 g of Iron in this experiment what is the minimum volume of 1.0M of copper sulfate solution that you should add? Hint: since you dont know wheteher equation 1...
Monday, September 17, 2007 at 7:02pm by cindy

chemistry
What I have with is really figuring out the equation. I know that in the presence of AgNO3, the Cl- would form AgCl which forms a precipitate. The Br- would form (BrNO3)+2 or something like that. I feel like I'm on the right track here but I'm doing something wrong. The ...
Thursday, March 29, 2012 at 12:04am by Anonymous

Chemistry
Complete and balance the precipitation reactions. Include physical states in your equations. Ba(NO3)2(aq) + CuSO4 (aq)---> K3PO4(aq)+MgCl2 (aq)---->
Saturday, November 9, 2013 at 5:59pm by Jake

chemistry
Complete and balance the precipitation reactions. Include physical states in your equations. Ba(NO3)2(aq) + CuSO4 (aq)---> K3PO4(aq)+MgCl2 (aq)---->
Monday, November 11, 2013 at 1:35pm by lauren

chemistry
Which term in the following reaction would not be included in the equilibrium expression? 2 Na3PO4 (aq) + 3 MgCl2 (aq) → 2 Mg3(PO4)2 (s) + 6 NaCl (aq)
Thursday, November 4, 2010 at 10:24pm by barbra

chemistry
Experiments show that chlorine is reduced by both Br-(aq) and I-(aq); bromine is reduced by I-(aq) only; iodine is not reduced by either Br-(aq) or I-(aq). Which of the following is the strongest oxidizing agent? A. Cl2 B. Br2 C.I2 D.Cl^- ion E. I^- ion
Saturday, May 24, 2008 at 6:52pm by Rapinder S.

Chemistry
The quantity of antimony in an ore can be determined by an oxidation-reduction titration with an oxidizing agent. The ore is dissolved in hot, concentrated acid and passed over a reducing agent so that all the antimony is in the form Sb3 (aq). The Sb3 (aq) is completely ...
Sunday, December 2, 2012 at 1:16am by Anon

Chemistry
The quantity of antimony in an ore can be determined by an oxidation-reduction titration with an oxidizing agent. The ore is dissolved in hot, concentrated acid and passed over a reducing agent so that all the antimony is in the form Sb3 (aq). The Sb3 (aq) is completely ...
Monday, December 3, 2012 at 8:47pm by Anon

Chemistry
Write an equation for the reaction between the Bronsted-Lowry acid HOCl(aq) reacting with base CO32-(aq) I am having difficulty with this question. Here is what i have so far but I know i went wrong somewhere. HOCl (aq) + CO32-(aq) --> HCO3-(aq) + OCl(aq) Any help would be ...
Tuesday, March 2, 2010 at 9:51am by Matthew

AP Chem
The molecular equation is NaOBr + HOH ==> NaOH + HOBr Separate into ions. Na^+ + OBr^- + HOH => Na^+ + OH^- + HOBr. Note:You should place an (aq) after each ion to show it is in aqueous solution.) Now cancel those ions common to both sides; i.e., Na^+ to leave the net ...
Sunday, March 27, 2011 at 12:20pm by DrBob222

chemistry
in an experiment 5.00ml of 0.1440 mol L^1- aqueos KIO3 was reacted with an excess of aqueous iodide and the molecular iodine I2, Formed was titrated against 0.1000mol L^1- aqueous S2O3^2- the equation for the titration reaction is: I2(aq)+ 2 S2O3^2-(aq)---->S4O6^2-(aq)+ 2I...
Wednesday, November 16, 2011 at 11:57pm by Yulieth

chemistry
what is the oxidizing agent in the equation 8H(aq)+ 6Cl(aq)+ Sn(s)+ 4NO3(aq)yields SnCl6(aq)+ 4NO2(g)+ 4H2O
Saturday, June 19, 2010 at 1:52pm by Ellie

Chemistry
What is the net ionic equation for this reaction? 2MnO4 (aq) + 5H2C2O4 (aq) + 6H(aq)----->10CO2 (g) + 2Mn(aq) + 8H2O(l)
Monday, January 16, 2012 at 6:54pm by Sara

chemistry
For the following reaction in aqueous solution: HNO2(aq) + NO3-(aq) HNO3(aq) + NO2-(aq) The net reaction will proceed from: a. ) left to right b. ) right to left c. ) the reaction will not occur would the answer be c) because each side of the the equations has one weak ...
Sunday, November 2, 2008 at 12:09pm by Anonymous

Chemistry
H2SO4(aq) + BaCl2(aq) --> BaSO4(s) + 2HCl(aq) Note: I wouldn't want to prepare it this way if I were to drink it. I don't want to drink the HCl. 2Al^3+(aq) + 3SO4^2-(aq) + 3Ca^2+(aq) + 6OH^-(aq) ==> 2Al(OH)3(s) + 3CaSO4(s) 3Ca^2+(aq) + 2PO4^3-(aq) ==> Ca3(PO4)2(s)
Wednesday, October 10, 2012 at 10:35pm by DrBob222

chemistry
Balance each of the following neutralization reactions. Part A HBr(aq)+Mg(OH)2(s)-->MgBr2(aq)+H2O(l) Part B H3PO4(aq)+NaOH(aq)-->Na3PO4(aq)+H2O(l)
Thursday, November 15, 2012 at 7:42pm by Deane

chemistry
*Forgot to add, reaciton 3 is Br-(aq) Cl-(aq) I-(aq)
Sunday, April 13, 2008 at 11:25pm by Joseph

chemistry
AgNO3(aq) + Cl^-(aq) ==> AgCl(s) + NO3^-(aq)
Tuesday, March 16, 2010 at 8:05pm by DrBob222

chem
in the following total ionic equation, which ions are spectator ions? Cu2+ (aq) + 2NO3-(aq)+2Na+(aq)+S2-(aq)--->CuS(s)+2NO3-(aq)+2Na+(aq)
Tuesday, November 9, 2010 at 2:04pm by julia

chemistry
A 3.75-G SAMPLE OF IRON ORE IS TRANSFORMED TO A SOLUTION OF IRON(II)SULFATE, FeSO4,AND THIS SOLUTION IS TITRATED WITH 0.150 M K2Cr2O7. IF IT REQUIRES 43.7 mL OF POTASSIUM DICHROMATE SOLUTION TO TITRATE THE IRON(II)SULFATE SOLUTION, WHAT IS THE PERCENTAGE OF IRON IN THE ORE? ...
Tuesday, October 23, 2012 at 5:54pm by malissa

chemistry
[Cl-] in PbCl2 solution, M? [Pb2+] in PbCl2 solution, M? ksp? #moles : AgCl(s)= Cl(aq) Pb2+(aq)= Temp of solution =20.2 volume of Pbcl2 solution=25.00ml mass of dry AgCl2(g)=0.2543g
Monday, April 26, 2010 at 11:02pm by Anthony

Chemistry
How many milliliters of 0.250 M KMnO4 are needed to react with 3.36 g of Iron(II) sulfate, FeSO4? The reaction is as follows: 10FeSO4(aq) + 2KMnO4(aq) + 8H2SO4(aq) ¨ 5Fe2(SO4)3(aq) + 2MnSO4(aq) + K2SO4(aq) + 8 H2O(l
Sunday, October 9, 2011 at 8:39pm by John

Chem -plz check work
I don't think you have it yet but I have made some comments below (in bold). 2 half cells in a galvanic cell consist of one iron Fe(s) electrode in a solution of iron (II) sulphate FeSO4(aq)and a silver Ag(s) electrode in a silver nitrate solution, a)state the oxidation half ...
Tuesday, June 3, 2008 at 6:36pm by DrBob222

chemistry
A 49.45 mL sample of solution containing Fe2+ ions is titrated with a 0.0103 M KMnO4 solution. It required 23.76 mL of KMnO4 solution to oxidize all the Fe2+ ions to Fe3+ by the following reaction. MnO4-(aq) + Fe2+(aq) Mn2+(aq) + Fe3+(aq) (unbalanced) (a) What was the ...
Thursday, October 28, 2010 at 1:06am by Anonymous

chemistry
If 0.7825 g of solid Al and 450. mL of 0.2069 M aqueous Cl- are reacted stoichiometrically according to the equation, what mass (g) of solid Al remained? 3 CuCl2(aq) + 2 Al(s) ¨ 3 Cu + 2 AlCl3(aq)
Saturday, August 25, 2012 at 9:02am by Ananth

AP Chem
I'm having trouble balancing these two oxidation-reduction reactions that occur in a basic solution. Can anyone help? Please? The numbers after the formulas are subscripts and any with a minus sign means they are negatively charged (-1). Thanks!! Al(s)+ MnO4-(aq)---> MnO2(s...
Monday, October 10, 2011 at 9:22pm by rose

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?
Sunday, January 10, 2010 at 12:13am by Ed

Chemistry
Dry Sr(NO3)2 and dry Na2CO3 will not react. If aqueous solutions, yes. Sr(NO3)2(aq) + Na2CO3(aq) ==> SrCO3(aq) + 2NaNO3(aq) If HBr is added, carbonate reacts with H^+ to produce H2O(aq) and CO2(g)
Saturday, January 28, 2012 at 4:27pm by DrBob222

Chemistry
Which of the following redox reactions are spontaneous -- SN2+(aq)+BA(s)->Sn(s)+Ba2+(aq) 2AG+(ag)+2Cl-(aq)->2Ag(s)+C12(g) ZN(s)+F2(g)->2F-(aq)+Zn2+(aq) 2LI(s)+Co2+->(aq)->2Li+(aq)+Co(s) 2I-(aq)+K+(aq)->I2(s)+K(s) I believe it is A, C & E
Monday, June 7, 2010 at 6:24pm by Mary

chemistry
A 0.0875 M solution of aqueous ammonia was titrated with a solution of sulphuric acid. If 25.00 mL of the ammonia solution required 30.66 mL of the acid to reach the end-point, calculate the molarity of the acid. NH3(aq) + H2SO4(aq) ¨ (NH4)2SO4(aq)
Thursday, January 10, 2008 at 6:56pm by caleb

chemistry
FeCI3(aq)t koh(aq) fe(oh)3(s) t kci(aq)
Sunday, March 20, 2011 at 1:18pm by haj

chemistry
Nitric acid is a strong acid. Does this mean that a) HNO3 dissociates completely to H+ (aq) and NO3 ^1- (aq) when it dissolves in water OR b) aqueous solutions of HNO3 contain equal concentrations of H+(aq) and OH- (aq) Thank you!
Wednesday, February 24, 2010 at 7:57pm by someone

Chemistry
H2CO3 (aq) +2LiOH(aq) --> Li2CO3(aq) + 2H2O(l) Li2CO3 is only slightly soluble in aq solution; therefore, I would write (s) after Li2CO3 Ionic equation: H2CO3(aq) + 2Li^+ + 2OH^- ==>Li2CO3(s) + H2O(l). I would leave that as is for the net ionic equation unless you see ...
Thursday, March 4, 2010 at 9:24pm by DrBob222

Chemistry
What is the full balanced equation?? Hg2(NO3)2(aq) + HBr(aq) → ?
Thursday, January 26, 2012 at 4:55pm by Shea

chem 1A
Balance the following oxidation-reduction reactions, which occur in acidic solution, using the half-reaction method. (Use the lowest possible coefficients. Include states-of-matter under the given conditions in your answer.) (a) Cu(s) + NO3‾(aq) → Cu2+(aq) + NO(g)
Sunday, November 4, 2012 at 1:40pm by Anonymous

CHEM 1A
Balance the following oxidation-reduction reactions, which occur in acidic solution, using the half-reaction method. (Use the lowest possible coefficients. Include states-of-matter under the given conditions in your answer. H3AsO4(aq) + Zn(s) → AsH3(g) + Zn2+(aq)
Sunday, November 4, 2012 at 1:45pm by Anonymous

chemistry
One reaction of iron with hydrochloric acid is represented by the following thermochemical equation. Fe(s) + 2HCl(aq) → FeCl2(aq) + H2(g); ΔH°= –87.9 kJ How much heat is liberated at constant pressure if 0.416 g of iron reacts with 42.0 mL of 0.457 M HCl?
Thursday, December 2, 2010 at 4:39pm by Jake

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