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September 21, 2014

Search: NH4OH

Number of results: 58

chemistry
solution of 0.1molar NH4OH and 0.1 NH4CL ph=9.25 calculate kb for NH4OH?
September 11, 2014 by ankit

chemistry
25mL of tartaric acid solution is titrated against 31mL of NH4OH. What is the normality of the NH4OH? Please explain how to work this problem.
October 5, 2012 by Stephen

chemistry
25 milliliters of tartaric acid solution is titrated against 31 milliliters of NH4OH. What is the normality of the NH4OH?
October 3, 2012 by Stephen

Chemistry-precipitates
What precipitates form when Cu(NO3)2, CuSO4, NH4OH, and CaCl2 only two of the above added together. I need all combinations. What color are they? Ik Cu reacts with NH4OH. is the precipitate white?? what about the others?
October 19, 2008 by Giznelbell

Chem Help URGENT
Could someone help me with these molecular formulas, i dont know what im doing wrong. For this example, i did it like this and it says its incorrect. Could you solve the the equations below your way and i match it to mines? Thank you so much Fe (s) + Ni(NO3)2 (aq) =Fe(NO3)2 (...
October 28, 2010 by Allison

chemistry
what is the equation for C6H12O6+NaOH+Cu(OH)2 C6H12O6+AgNO3+NH4OH AgNO3+NH4OH+ galactose when heated
October 16, 2010 by flans

chemistry
I thought about the syntax of the problem and I have surmised that what I thought were two questions was actually one. I'm slow but not dead yet. 75g of tartaric acid in 1 liter is used in a titration. 25mL of tartaric acid solution is titrated against 31mL of NH4OH. What is ...
October 7, 2012 by What?

chemistry
I have been knocking around this question for what seems to be an eternity. We have not gotten that far in this class so this is for extra credit. I have managed to get myself confused about something that should be easy. 25mLof tartaric acid solution is titrated against 31mL ...
October 5, 2012 by Stephen

Chemistry
Write a net ionic equation that represents the reaction: 1. ionization of HCl3 in water: My answer: HClO3+H20->H3O+ClO3 2. NH3 functioning as an Arrhenius base: Mine: NH3+(OH)->NH4+O The first one is ok but you need to show the + charge on the H3O^+ and the - charge on ...
February 15, 2007 by Liz

chem--please help me check my answer!!
write an ionic and net ionic equation for the following reaction between Fe3+ and NH4OH. Please check my answer!! Thank you. My answer is: ionic: Fe3+(aq) + NH4OH--> Fe(OH)3 + NH4+ net ionic: Fe3+ +OH- -->Fe(OH)3
October 25, 2010 by Christine

CHEMISTRY
NH4OH + H2O =
October 17, 2012 by CHRIS

chemistry
what is the disadvantage of nh4oh
February 28, 2014 by pacot jamel

Chemistry
Calculate pH of NH4OH which is 1%ionized
November 20, 2012 by sara

Chemistry
What is the molecular equation for HCl(aq) + NH4OH(aq)?
March 27, 2013 by Virginia

science
is this rigth HC2HO2+NH4OH-->NH4C2H3O2+H2O
January 5, 2010 by NEED Help

chemistry
calculate the ph of a 0.18 M NH4CL and0.18 M NH4OH.(Kb=1.0x10^-5)
June 6, 2010 by heba

Chemistry
When CuCl2 and NH4OH are combined what is the product formed?
October 20, 2013 by Sam

Chemistry
When CuCl2 and NH4OH are combined what is the product formed?
October 20, 2013 by Sam

Chemistry
When CuCl2 and NH4OH are combined what is the product formed?
October 20, 2013 by Sam

Weab base strong acid titration
NH4OH + H20 =
April 22, 2011 by Techno

Chemistry
What would be the most likely product(s) when you react CuI with NH4OH?
March 13, 2010 by Alan

Science
How many grams of NH3 can be produced if 105g of NH4OH are completey decomposed?
March 12, 2013 by Morgan

Chemistry
How many grams of NH3 can be produced if 105g of NH4OH are completey decomposed?
March 12, 2013 by Morgan

chemistry
Why adding NH4OH to Al3+ , forms Al(OH)3 and not complex ion Al(NH3)3 ? thanks so much
October 19, 2012 by Negah

chemistry
Iwish to prepare 3% NH3 from 20ml strong NH4OH and 180ml H2O.Can you help me?
February 7, 2013 by d

Chemistry
How many grams of NH4Cl must be added to 250ml of .2M NH4OH in order that the solution shall have a pH of 7.2?
April 20, 2010 by Johnny

chemistry
How do I write these compounds in their "true form" or Ionic State? NaCl, CuSO4, NH4OH How do i find the charges?
March 8, 2012 by Mike

College Chem 1010
Which of the following compounds is insoluble? Question 4 options: A) Ca(NO3)2 B) FePO4 C) NH4OH D) Na2SO4 E) NaCl
April 15, 2012 by Sirena

chemistry
Can CoBr2+ NH4Br + NH4OH ---> Co^2+ (aq) + 2NH3 (l) + H^+ (aq) + H2O (l) + 3Br^- form the complex [Co(NH3)5Br]Br2 if so please explain
May 4, 2014 by ellie

Chemistry
What is the chemical equation for: CuI + NH4OH ---> ??? This equation should oxidise Cu+ to Cu2+.
March 13, 2010 by Alan

Chemistry
How many grams of NH4Cl do I have to add to 500 mL of 0.100 M NH4OH to have a pH of 9.40? Kb= 1.8 x 10^-5 [OH-]= 2.51 x^-5 M
February 8, 2012 by Sandra T.

Chemistry
50.0mL of 1.04moles HA is added to 50.0mL if 0.90moles NH4OH.With a 1:1 stoichiometric ratio. What is the limiting reactant in moles of this reaction.
October 20, 2013 by Morgan

chemistry
how ti distinguish NH4OH solution from NaOH solution
October 2, 2012 by bhanu

Chemistry
the task is to determine which liquid is which, two blue solutions and two clear choices: CUSO4 CU(NO3)2 NH4OH CaCl2
October 8, 2008 by Giznelbell

chemistry LAST QUESTION FOR TONIGHT
It said name the following compounds containing polyatomic ions a) NaHCO3 i put Sodium Dicarbonates But b and c i had no idea (NH4)3PO4 and NH4OH
March 4, 2008 by john

Chemistry
Calculate the energy changes associated with each of the following reactions. Label each as endothermic or exothermic. A.) 2(C2H2)+5(O2)------->4(CO2)+2(H2O) B.) N2+O2------>2(NO) C.) NH3+H2O----->NH4OH D.) 2(BrCl)----->Br2+Cl2
December 6, 2010 by Jake

Chemistry
What is the concentration of HCl when 25.0 mL of HCl completely reacts with 10.0 mL of 0.1M solution of NH4OH (subscript 4)? Solution steps would be helpful so I can solve other similar problems.
November 22, 2010 by Cody

Chemistry
Ag2S is an insoluable black solid. Would more solid dissolve, or precipitate once the following are added to the solution. 1. KS-----I know [S] increases, shift to reactants side, precipitate 2. HClO 3. LiOH 4. NH4OH
June 20, 2012 by Jake

chem
our task is to determine which liquid is which, two blue solutions and two clear choices: CUSO4 CU(NO3)2 NH4OH CaCl2 how do i do this? ik that cooper solutions r blue...
October 8, 2008 by giznelbell

Chemistry
Classify each of the compounds below as strong or weak acids, strong or weak bases, or salts: A. HCl B. KOH C. NH4NO3 D. H2SO4 E. NH4OH F. H3PO4 G. NaOH H. HClO4 i. Mg(OH)2 J. H2CO3 K. BaSO4 l. HC2H3O2 The numbers are sub(little numbers
April 29, 2014 by ASAP!!

Inorganic Chemistry
Hello, I am trying to write a chemical equation for a reaction I did and I cannot for the life of me figure out how to do it. I added cobalt chlorid hexahydrate, NH4Cl, NH4OH, H2O2 and HCl. The major product was [Co(NH3)5Cl]Cl2 but I don't know what the other ones would be... ...
November 18, 2007 by Tracy

Chemistry
AlCl3(aq)+ NH4OH(aq)-> Al(OH)3(s) + NH4Cl(aq) AlCl3(aq)+ 3NH4OH(aq)-> Al(OH)3(s) + 3 NH4Cl(aq)... is balanced-- Now total ioic?? Is this right?? : Al +3Cl+3NH4 +OH --> Al+ 3OH+ 3NH4+ 3Cl Crossing out on both sides I end up with OH --> 3OH I do not know what to do ...
November 30, 2011 by Ashley

Cemistry
Hi, I've been trying to solve this chemical equation for the last 30 minutes and am only confusing myself. I am wondering if the product I obtained is correct. The question is to write a balanced equation for the below reaction and be sure to indicate the states and if there ...
March 16, 2012 by Julie

Chemistry
Testing for water hardness using EDTA as a titrant: Suggest a reason why the buffer is good for only a week. The buffer contains disodiumEDTAdihydrate, MgSO47H20 and distilled water. NH4Cl and NH4OH is also added then diluted. I know that after a week, the buffer will be bad ...
December 2, 2011 by Ken

DrBob222-Questions
Can you please check these for me. Thank you very much in return:-) For Al2(SO4)3 you gave me Aluminum ion and Sulfate ion. These are the rest: CaCl2 = Calcium ion and Chlorite ion Na2O = Sodium ion and Oxygen ion AgCl = silver ion and chlorine ion Na3PO4 = Sodium ion and ...
April 20, 2010 by Sara

Chemistry URGENT
I need someone to check to make sure that I balanced my equations correctly. I have to add a (g) or (s) to indicate gases and precipitates. I am having a hard time figuring out the ions and how to add them, if any of these reactions need a ion could you explain it to me as ...
April 24, 2014 by jazz

Chemistry Help Please!!!
Find Net Ionic equation for hydrolysis , Expression for equilibrium constant (Ka or Kb) and Value of (Ka or Kb) Net Ionic equations I've got NaC2H3O2 == CH3COO^-+H2O -->CH3COOH+OH^- Na2CO3 ==== CO3 + 2H2O → H2CO3 + 2-OH Kb = [H2CO3] [-OH]2 / [CO3]. Kb = 1/Ka1Ka2 = 7....
April 3, 2014 by Ahmed

Chemistry
Calculate the end point pH, when 25 mL of 0.01 mol/L HCl solution reacts exactly with 25 mL of 0.1 mol/L NH4OH solution. NH3 Kb = 1.8 x 10^-5 This will be the pH of NH4Cl solution. NH4+ + HOH ==> NH3 + H3O^+ Ka = Kw/Kb = (NH3)(H3O^+)/(NH4^+). Solve for H3O^+, then pH = - ...
May 31, 2007 by Raj

chemistry
Why does the equivalence point occur at different pH values for the four titration studied? the four titrations were: 1. HCL with NaOH 2.HC2H3O2 with NaOH 3. HCl with NH4OH 4. HC2H3O2 with NHOH Okay so equivalence point is when the number of moles of acids and bases are equal...
May 9, 2008 by Amy

Chemistry
Given the reactant side of the total ionic equation for the neutralization reaction of ammonium hydroxide (NH4OH) with hydrochloric acid (HCl), write the total ionic equation (also known as the complete ionic equation) by entering both the reactant and the product species, ...
January 27, 2014 by Taylor

chemistry
The equivalent weights of X and Y are _________ g/equiv. H+ and g/equiv. ľOH, respectively, for the following reaction: Z (Note: Report your answer with 4 significant figures.) X Y Z Answer #1 Answer #2 benzoic acid calcium hydroxide 2 C6H5COOH + Ca(OH)2 2 H2O +Ca(C6H5COO)2 ...
October 22, 2011 by Evani

Chemistry-Experiment
I did an experiment where I had 5 ml of MgCl2, then 5 ml NH4 solution (NH4OH (aq)) was added and it was observed that a precipitate formed; cloudy solution. After I added 1g of NH4Cl(s), the solution clears up (transparent). 2nd experiment: There was 5ml Lead (II) Nitrate in a...
March 30, 2012 by Fresca

Chemistry
My question is basically to find out what these reactants yield: CuCl2(aq) + NH3(aq) --> ? my best guess here is... CuCl2(aq) + 6NH3(aq)-->[Cu(NH3)4(H2O)2]2+ + N2(g) + 2HCl Im pretty sure about the [Cu(NH3)4(H2O)2]+2 part but not sure about the rest. The primary product ...
November 7, 2006 by Frederique

chemistry lab (college level)
So, this is going to be more like 2 or 3 questions. Here goes. First, what is the net-ionic reaction for Fe (III) + K4Fe(CN)6 be? I've been agonizing over this for HOURS with no answer in sight. (I don't even know what to put down as a product!) Second, what would the net-...
April 9, 2011 by Tichele

Chemistry
IN my experiment, I was doing a qualitative analysis of Group I and II anions using a flowchart. IN the chart I added 5 drops of 0.1M AgNO3 and several drops of 3M HNO3 to 5 drops of solution and found that a precipitate was formed. Thus it was classified as a Group I anion. ...
April 12, 2009 by David

Chemistry 12
9. According to Arrhenius, which of the following groups contain: i)only acids ii)only bases a. NaOH, H2CO3, KCl b. MgCl2, H2SO4, HCl c. HNO3, HCl, H3PO4 d. Mg(OH)2, AgBr, HF e. KOH, NH4OH, Ba(OH)2 10. Enough water is added to 100 g of sodium hydroxide in order to obtain a one...
May 22, 2011 by Kavitha

science( chem)
Basically what color is yellow when they say "Yellow"? The titrations I have done are light yellow when approaching the end point but whatever color you see is what you get, I suppose. So titrate to a very light color. Would the extra 5ml of starch indicator have any effect on...
July 18, 2007 by DrBob222

chemistry
Which of the following pairs of molecules have the same oxidation number for carbon? CO and CO2 CH4 and CCl4 C6H12O6 and C(s) H2CO and COCl2 Carbon always has an oxidation number of +4 What mass of CuSO4.5H2O would you need to prepare 250.0 mL of a 0.250 M solution? [MW of ...
July 3, 2011 by Anonymous

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