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December 21, 2014

Search: which reactions between HCL, AgNO3, Pb(NO3)2, H2SO4, BaCl2, CuSO4, KI, ZnSO4, Na2CO3, and K2CrO4 are double replacement

Number of results: 33,649

Chemistry
Difference between hydration and hydrogenation reactions? I have searched everywhere in my book and all I can come up with is: Hydorgenation is when atoms of hydrogen H2 are added to the carbons in a double or triple bond of alkenes or alkynes to form what we call alkanes. ...
February 10, 2008 by Bethany

chemistry
We had an experiment in class: Soda Ash Titration using Double Indicator Method How would you know the composition of the sample based on the comparison volume of titrant (HCl) used? i.e. if Vmo > Vph, the sample is made up of NaHCO3 and Na2CO3. why is it like that?
August 16, 2009 by patricia

Chemisty
An excess of aqueous AgNO3 reacts with 43 mL of 5 M K2CrO4(aq)to form a precipitate. what is it? What mass of precipitate is formed? answer in g
February 9, 2014 by Anonymous

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)
April 1, 2012 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)
April 1, 2012 by Lisa

chemistry
For each solution whose pH value deviated from 7.0 by at least 1.0 pH unit, give an equation accompanied by a statement which gives the reasons and/or explanation for the deviation. pH values: NaCl 6.89 NaC2H3O2 7.75 Na2CO3 11.20 Cu(NO3)3 4.73 NH4Cl 5.91 Zn(NO3)2 5.20 KAl(SO4)...
January 31, 2012 by mary

chemistry
6.0g of impure and hydrous Na2SO4 were made up to 1dm^3 of solution neutralize 22.20cm^3 of 0.1mol/dm^3 of HCL.calculate: a)concentration of Na2CO3 in mol/dm^3. b)concentration of Na2CO3 in gram/dm^3. c)percentage purity in carbon.
January 28, 2012 by faith

chemistry
6.0g of impure and hydrous Na2SO4 were made up to 1dm^3 of solution neutralize 22.20cm^3 of 0.1mol/dm^3 of HCL.calculate: a)concentration of Na2CO3 in mol/dm^3. b)concentration of Na2CO3 in gram/dm^3. c)percentage purity in carbon.
January 28, 2012 by faith

Chemistry
In four of the following groups, the three substances are either all strong electrolytes, all weak electrolytes, or all nonelectrolytes. Which group has one member which is NOT like the others in the group? 1. BaCl2; NaNO3; HF 2. O2; CO(NH2)2; CH3OH 3. NaCl; Ca(OH)2; HNO3 4. ...
September 30, 2012 by Kayla

Chemistry
In four of the following groups, the three substances are either all strong electrolytes, all weak electrolytes, or all nonelectrolytes. Which group has one member which is NOT like the others in the group? 1. NaCl; Ca(OH)2; HNO3 2. BaCl2; NaNO3; HF 3. O2; CO(NH2)2; CH3OH 4. ...
September 22, 2013 by Claire :)

chemistry
Use the ΔH°f information provided to calculate ΔH°rxn for the following: ΔH°f (kJ/mol) SO2Cl2 (g) + 2 H2O(l) → 2 HCl(g) + H2SO4(l) ΔH°rxn = ? SO2Cl2(g) -364 H2O(l) -286 HCl(g) -92 H2SO4(l) -814
April 27, 2011 by yr

chemistry
List the balanced net ionic equations for all reactions that you observed in this experiment. Use your observations to provide evidence for all successful reactions completed and products formed. Where applicable, list ions in their coordination complex form; for example, when...
October 23, 2012 by gine

chem
I really need these answers to balance the net ionic equation or make it into one. Cu(NO3)2 (aq) + NaOH (aq) = CuOH (s) + Na(NO3)2 (aq) Cu(NO3)2 (aq) + NaI (aq) = CuI (s) + Na(NO3)2 (aq) Cu(NO3)2 (aq) + Na3PO4 (aq) = CuPO4 (s) + Na3(NO3)2 (aq) Fe(NO3)3 (aq) + NaOH (aq) = FeOH...
February 18, 2012 by Suey

Chemistry
what are the half reactions for a) Cr(NO3)2 b) Pb(NO3)2 I know that Cr and Pb are: Cr^2+ +2e- -> Cr Pb^2+ +2e- -> Pb I just don't know how to do the half reaction for (NO3)2
June 1, 2012 by anon

Chemistry
I am trying to figure out the molecular, ionic, and net equation for this question. HCl reacts with the precipitate formed from mixing Ni(NO3)2 and NaOH . This is what I got for the molecular but it is saying it wrong. Please help. Thank you. HCl(aq) + Ni(NO3)2(aq) + NaOH(aq...
October 5, 2013 by Jamie

chemistry
A solution of AgNO3 (1 x 10-6 molar) is prepared. To this is added K2CrO4 until precipitation of Ag2CrO4 begins. The Ksp of Ag2 CrO4 is 9 X 10-12. Addition of NaCl will bring about:
January 14, 2011 by shahanas

Chemistry
What type of reaction occurs between zinc and Acetic acid? I think it is double replacement but I am not sure. Thank for the help :)
December 18, 2012 by Anon

Chemistry
does BaCl2+Pb(NO3)2 form a percipitate
December 27, 2009 by Dylan

Chemisty
Please help...I know I'm missing something here if 50.0mL of AgNO3 reacts with 25.0mL of 0.100M of K2CrO4, what is the molarity of silver nitrate?
August 10, 2012 by Sheri

Chemistry 22
1. What is the Kelvin temperature of a system in which 4.50 mol of a gas occupy 0.250 L at 4.15 atm? 2. In the lab, students generated and collected hydrogen gas according to the following equations: Zn + H2SO4---> H2 + ZnSO4 a) How many mL of hydrogen gas at STP were ...
November 29, 2010 by Ivy

chemistry
Predict whether reactions should occur between aqueous solutions of the following compounds. If so, write balanced molecular and net ionic equations for the reactions. Include physical states. a. (NH4)2CO3 and CrCl3 b. Ba(OH)2 and HCl c. FeCl3 and NaOH d. Ca(HCO3)2 and HNO3
July 3, 2011 by ABCD

Chemistry
Anhydrous CuSO4 can be used to dry liquids in which it is insoluble. The CuSO4 is converted to CuSO4.5H2O, which can be filtered off from the liquid. What is the minimum mass of anhydrous CuSO4 needed to remove 12.4g H2O from a tankful of gasoline?
September 21, 2010 by Kaylee

Chemistry
Anhydrous CuSO4 can be used to dry liquids in which it is insoluble. The CuSO4 is converted to CuSO4 x 5H20, which can be filtered off from the liquid. What is the minimum mass of anhydrous CuSO4 needed to remove 12.6 g H20 from a tankful of gasoline?
September 23, 2010 by Nikki

Chemistry
Balance each of the following redox reactions and classify it as a combination, decomposition or displacement reaction. a) Mg(s)+H2O(g)->Mg(OH)2(s)+H2 b) Cr(NO3)(aq)+Al(s)->Al(NO3)(aq)+Cr(s) c) PF3(g)+F2(g)->PF5(g)
October 10, 2011 by Cassaundra

Chemistry..
1.What is going on at the atomic level if a precipitate forms in a double replacement reaction? 2. Has a single or double replacement reaction occured if water or a gas is formed? What would you perceive as evidence that a reaction has occured if either water or a gas is formed?
January 11, 2013 by Anonymous

science
How is a single replacement reaction different from a double replacement reaction? I am having trouble telling which on is which.
October 8, 2014 by Faith

chemistry
How many mL of 0.109 M Na2CO3 would be needed to precipitate all of the copper ions in 26.7 mL of 0.159 M CuSO4?
June 28, 2013 by adam

college chem
what volume of 0.955 M HCl, in milliliters, is required to titrate 2.152g of Na2CO3 to the equivalent point? Na2CO3(aq) + 2HCl(aq) 2NaCl(aq) + CO2(g) + H2O(1) can this please be explained in simple step by steps? i am sick and i am having trouble understanding anything.
October 6, 2011 by cheryl

Ap chem question 2 related to the first question
Calculate the volume of gas you would expect to be evolved in X mol of magnesium were reacted with an excess of HCl at standard conditions. I'm going to tell you what my father told me...LOOK IT UP thanks for the unnecessary comment! Mg + 2HCl ==> MgCl2 + H2 1 mol Mg will ...
October 22, 2006 by Justyna

Chemistry
The titration reaction of a solution containing 1.00 g mixture of Na2CO3 and K2CO3 with HCl shows that there are 8.50x10^-3 moles of C03-2. Find the weight percent of Na2CO3 and K2CO3 in the mixture. Please Help!!
December 7, 2014 by Magaly

Conductivity
Complete the table below: For each of the following sets pick the compound with the highest conductivity in a 1 M aqueous solution. (Enter the number at the top of the column containing the correct answer.) 1 2 3 Answers a HCl HC2H3O2 H2PO4 b KNO3 Ca(NO3)2 HNO3 c CH3OH NaOH ...
January 12, 2011 by Helen

Physics
What type of reaction is CS2(g)+O2(g)= CO2(g)+S2O4(aq)+HEAT? A) Synthesis B) Decomposition C) Single Replacement D) Double Replacement E) Combustion F) Redox Reaction Thank You ^_^/ I really appreciate it!
December 7, 2011 by Claire

Chemistry
Acid spills are often neutralized with sodium carbonate. For example Na2CO3 (s) + H2SO4 (aq)  Na2SO4 (aq) + CO2 (g) + H2O (l) An instructor dropped a 2.50 L bottle of 18.0 M H2SO4 on a cement floor. How much sodium carbonate would be required to neutralize it?
March 18, 2012 by Elisa

Chemistry+Singe replacement
Balance the following equations if the reactions will occur. gold + oxygen Au + O2 --> ??????? barium + oxygen Ba + O2 --> ??? bismuth + oxygen --> Bi + O2 --> ??? help please. keep in mind this is single replacement
February 9, 2009 by Chopsticks

physics Help
I don't how to do this please help the the classify the reaction as. Synthesis decomposition single replacement double replacement. 4Al+3O2. 2Al2O3. 2NaCl. 2Na+ Cl2. Cacl2+F2. CaF2+ Cl2
January 22, 2012 by keria

chemistry
Match the correct mole ratio to the substances in the reactions below. carbon monoxide to iron in the reaction: Fe2O3 + CO ==> Fe + CO2 water to manganeese(II) chloride in the reaction: HCl + MnO2 ==> H2O + MnCl2 + Cl2 sodium to oxygen in the reaction: Na + O2 ==> ...
February 29, 2008 by joshua

chemistry
calculate the concentration of ions present after the reaction between 13.50mL of 2.00M BaCl2 and 2.50mL of 6.00M H2SO4 i just wanted to check my answers [Ba^2+]=1.69M [SO4^2-]=o.938M [H^+]=0 [Cl^-]=1.50M if they are wrong please explain
February 26, 2011 by lindy

chemistry
A sample of a hydrate of CuSO4 with a mass of 250 grams was heated until all the water was removed. The sample was then weighed and found to have a mass of 160 grams. What is the formula for the hydrate? CuSO4 * 10 H2O CuSO4 * 7 H2O CuSO4 * 5 H2O CuSO4 * 2 H2O CuSO4 * H2O
December 27, 2010 by cam

chemistry
@20*C solubility - 22g CuSO4 / 100g H2O @40*C solubility - 42g CuSO4 / 100g H2O which is saturated and unsaturated a. @20*C is 6g CuSO4 / 25g H2O b. @20*C is 30g CuSO4 / 150g H2O c. @40*C is 99g CuSO4 / 250g H2O please show work thanks
November 24, 2012 by Boo Boo

chemistry
1.0 M aqueous solutions of AgNO3 , Cu(NO3 )2 and Au(NO3 ) 3 are electrolyzed in the apparatus shown, so the same amount of electricity passes through each solution. If 0.10 moles of solid Cu are formed how many moles of Ag and Au are formed?
April 27, 2012 by James

chemistry
calcium nitrate + sulfuric acid =caso4+? write a balanced chemical equation for this reaction including states. Ca(NO3)2 + H2SO4 ==> CaSO4 + 2HNO3 You don't have enough information to provide states. CaSO4 will be a solid so you write CaSO4(s). H2SO4 will be (l) if it is ...
July 30, 2007 by walter

chemistry
write the balanced chemical equation for the reaction that occurs when water is added to anhydrous BaCl2. would it be BaCl2+2H2o --> BaCl2+2H2O
September 11, 2011 by jess

Chemistry
A solution of K2CrO4 was titrated with AgNO3, using a silver indicator electrode (E=0.799V) and a S.C.E. electrode (E=0.241V). The product, Ag2CrO4, has a Ksp = 1.1x10^-12. What is the potential at the equivalence point?
May 28, 2012 by Jeanie

chem
For a mixture of 12.0mL of 0.004. M AgNO3 and 8.0mL of 0.0025 M K2CrO4, a colorimetric measurement of CrO4-2 in the equilibrium supernatant liquid found its concentration to be 1.5*10^-4 M. Calculate the Ksp of Ag2CrO4.
July 9, 2012 by jerry

chemistry repost
help, i'd like to know how to do this titration question: for example: a 1g sample of naoh contaminated with na2co3 is titrated with 0.500MHCl, and it is found that 46.5mL of HCl are required for neutralization. Find the percentage by mass Na2Co3. ( i did not make up these ...
April 21, 2008 by alex

Chemistry
Need help to identify 10 facts about the reaction that can be read in this equation: 2AgNO3 (aq) + PbBr2 (s) --> 2AgBr (s) + Pb(NO3) 2 (aq) I had already balanced the equation original was AgNO3 (aq) + PbBr2 (s) --> AgBr (s)+ Pb(NO3) 2 (aq)
August 1, 2012 by Stephanie

chemistry
Balance the equation: K2CrO4 + Na2SO3 + HCl --> KCl + Na2SO4 +CrCl3 + H2O
November 17, 2010 by Anonymous

Chemistry
How many mL of 0.122 M Na2CO3 would be needed to precipitate all of the copper ions in 23.7 mL of 0.167 M CuSO4? How many grams of CuCO3 could be recovered?
November 4, 2014 by Shelby

ap chemistry
BaO2(s) + 2 HCl(aq) H2O2(aq) + BaCl2(aq) What amount of hydrogen peroxide should result when 1.00 g of barium peroxide is treated with 15 mL of hydrochloric acid solution containing 0.0330 g of HCl per mL? So confused... >.<
August 1, 2013 by Kris

Chemistry
Consider these changes. (a) Hg(l)->Hg(g) (b) 3O2(g)->2O3(g) (c) CuSo4*5H2O(s)->CuSO4(s)+5H2O(g) (d) H2(g)+F2(g)->2HF(g) At constant pressure, in which of the reactions is work done by the system on the surroundings? By the surroundings on the system? In which of ...
November 9, 2011 by Anonymous

chemistry
write a balanced chemical equation for calcium nitate plus sulfuric acid produces calcium sulphate and ? This is a metathetical reaction, I think more properly called a double displacement reaction now. Just change + and - partners. Ca(NO3)2 + H2SO4 ==> CaSO4 + HNO3. I will...
August 9, 2007 by walter

Science
hey can you tell the compounds names NOT their element names. 2HCL 2H2O 3NiBr2 2AlBr3 3Ni 3O2 2Al2O3 CaCl2 CaF2 AgNO3 KCl AgCl KNO3 2NH3 2H2O2 (NH4)2SO4 Ba(NO3)2 BaSO4 2NH4NO3 MgI2 Br2 MgBr SO3 H2SO4 6KCl Zn3(PO4)2 3ZnCl2 2K3PO4 or at least find me a website to find their names
October 9, 2008 by Alejandro

chemistry
Use the following pair of reduction half-reactions to design a galvanic cell. Then write in the proper coefficient for each of the species involved in the overall reaction. Water molecules and protons are not shown in the half-reactions, but may be needed in the overall ...
May 2, 2014 by bekah

chemistry
1) List a series of tests that would determine the order of activity (least active to most active) for Zn, Mn, and Ag. 2) What would be the reaction for the addition of excess OH- ions to Mg(NO3)2 and Cu(NO3)2? This is a complex ion forming reaction. Would the complete ionic ...
March 2, 2014 by Sandy

GSGS
what is a limiting reagent of the reaction CuSO4 and Pb(NO3)2
July 9, 2012 by GSGS

Chemistry
What is the ionic and net ionic equation for Na2CO3 + 2 HNO3 -> 2 NaNO3 + H2O + CO2 (g) This is what i have so far... Na2(aq)+CO3+H+NO3 -> Na+ NO3+ H2O(l)+CO2(g)... i don't know what to do!!!
November 3, 2009 by Christina

CHEMISTRY
I'm in the same class as Catie, and we're working on the same lab; however, i chose a different approach. here's what i have below, your help is much appreciated. so i have X= g AgNO3 0.953-x = Ba(NO3)2 therefore .953-X-NO3=? so far I caluclated the % of Ag and Ba in their ...
January 30, 2008 by Jake

Chemistry
The Ksp for BaCrO4 is 1.2X10-10. Will BaCrO4 precipitate when 10 mL of 1 X10-5M Ba(NO3)2 is mixed with 10 mL of 1X10-3M K2CrO4? I am not sure where to start
October 23, 2014 by suzanne

CHEMISTRY
Suppose you are studying coordination compounds of Co(II) with the ligand pyridine (py, C5H5N, molar mass=79.10). You isolate a crystalline compound, and because the only available anions are Cl- and NO3-, you hypothesize that the empirical formula of the coordination compound...
May 30, 2013 by PreMed33

Chemistry
A cell is set up with copper and lead electrodes in contact with CuSO4(aq) and Pb(NO3)2(aq), respectively, at 25˚C. The standard reduction potentials are: Pb2+ + 2e- --> Pb E˚=-0.13 V Cu2+ + 2e- --> Cu E˚=+.34 V If sulfuric acid is added to the Pb(NO3)2 ...
February 13, 2010 by Anonymous

chemistry
thanks for any help with these translations into scientific notation: 1. magnesium ribbion is dropped into an aqueous solution of hydrochloric acid 2. a solid peice of copper is burned in pure oxygen 3. zinc carbonate is strongly heated in a crucible 4. calcium chloride is ...
January 19, 2007 by key

Chemistryor
Will Zn(NO3)2 react in a metathesis reaction with NACl, BACL2, NAIO3 or AL2(SO4)3
July 9, 2011 by Mainland Community College

Chemistry
If you mix 40.0 mL of a 0.389 M solution of K2CrO4 with 40.0 mL of a 0.389 M solution of AgNO3, what mass of solid forms?
November 20, 2010 by Angela

chem
mix 35.50 mL of a 0.201 M solution of K2CrO4 with 35.50 mL of a 0.201 M solution of AgNO3, what mass of solid will form?
November 29, 2011 by darren

Plese Help
IM sorry what i meant was their compounds hydrogen peroxide or carbon dioxide or fool's gold. 2HCL 2H2O 3NiBr2 2AlBr3 3Ni 3O2 2Al2O3 CaCl2 CaF2 AgNO3 KCl AgCl KNO3 2NH3 2H2O2 (NH4)2SO4 Ba(NO3)2 BaSO4 2NH4NO3 MgI2 Br2 MgBr SO3 H2SO4 6KCl Zn3(PO4)2 3ZnCl2 2K3PO4 or at least find...
October 9, 2008 by Alejandro

Chemistry
A 495-mL sample of unknown HCl solution reacts completely with Na2CO3 to form 18.1g CO2. What was the concentration of the HCl solution?
May 5, 2014 by Jenn

Chemistry
which contains the lowest % of hydrogen? HCl H3PO4 H2SO4 H20 is it HCL?
November 13, 2011 by Matt

chemistry
A 0.4671g sample containing sodium bicarbonate was titirated with hcl requiring 40.72ml. The acid was standardized by titrating 0.1876g of sodium carbonate FW 106mg/mmol requiring 37.86ml of the acid. Find the percentage of nahc03 fw 84mg/mmol in the sample. My own calculation...
November 25, 2012 by Fai

chem
0.1802 g sample of a chlorocarbon compound was analyzed by burning in oxygen and collecting the evolved gases in a solution of sodium hydroxide. After neutralizing, the sample was treated with 39.50 mL of a 0.025 M AgNO3. This precipitated the Cl- as AgCl and left an excess of...
April 11, 2012 by lara

Chemistry
Hi I need help with another balancing oxidation-reduction reaction: Cu(s) + Ag^1+(aq) → Cu^2+(aq) + Ag(s) My work: Cu (s) --> Cu^2+ (aq) + 2e- 2 [1e +Ag^1+ (aq) --> Ag(s)] Cu(s) + 2 Ag(aq) --> Cu (aq) + 2 Ag (s) Is this right? And I need help with this one... Zn...
May 16, 2010 by Anonymous

chemistry
I have no idea how to begin solving these problems... Calculate the normality of a 1.0 molal solution of each of the following acids: a. HCl b. H2SO4 c. H3PO4 Calculate the molality of a 1.0 normal solution of each of the following acids: a. HCl b. H2SO4 c. H3PO4
February 7, 2013 by Danny

Chemistry II
What volume of .0500 M Ba(OH)2 will react completely with 21.00 mL of .500 M HCl? Same type problem. Post your work if you get stuck. 2HCl + Ba(OH)2 --> 2HOH + BaCl2 (.0500 mol HCl / 1000 mL) (21.00 mL) (1 mol Ba(OH)2 / 2 mol HCl) (1000 mL / .0500 mol Ba(OH)2) = 1.05e2 mL ...
April 25, 2007 by Jayd

Chemistry
I have to do lab experiment where I design a procedure to determine the identity of two unknowns given to me. One will be a solid and one will be a solution. I also have to quantify the amount of solute in the solution. The possible solids it could be are NaCl, KNO3, KHP, Zn, ...
November 11, 2007 by Raj

Chem
Hydrochloric acid can be prepared using the reaction described by the chemical equation: 2 NaCl(s) + H2SO4(l) ----> 2 HCl(g) + Na2 SO4(s). How many grams of HCl can be prepared from 393 g of H2SO4 and 4.00 moles of NaCl? A) 4.00 g B) 2.49 g C) 146 g D) 284 g E) None of the ...
April 11, 2007 by Jessica

chemistry
sodium sulfide and cadmium nitrate undergo a double displacement reactions as shown by the following equation Na2S cd(NO3)2 -> 2NaNO3 CdS What is the mass, in milligrams,of cadmium sulfide that can be made from 5.00mg of sodium sulfide?
May 11, 2011 by pat mcdole

Chemistry
If you needed 2.50g of CuSO4 for a reaction but only had CuSO4 * 5H2O available, how many g would you need to use to get the same number of moles of CuSO4?
May 3, 2010 by Danny

chemistry
Write the balanced formula equation, complete ionic equation, and net ionic equation. If no precipitate forms, write "No reaction" a) Hg2(NO3)2 (aq) + CuSO4 (aq) b) Ni(NO3)2 (aq) + CaCl2 (aq) c) K2CO3 (aq) + MgI2 (aq) d) Na2CrO4 (aq) + AlBr3 Please explain! Thank you
December 11, 2011 by Gabby

Chemistry
How can you distinguish chemically between the following pairs of substances in one or two steps. a)HCl and H2SO4 b) KNO3 and K3PO4
May 21, 2010 by Anonymous

chemistry
What is the finaly concentration of barium ions, Ba2+, in soulution with 100 ml of .1 M BaCl2 is mixed with 100ml of .05M H2SO4?
October 3, 2007 by corey

Chemistry
What is the products for HCl + Na2S04 + BaCl2?
November 10, 2008 by Help

chemistry
If 29.0 mL of 0.10 M Ba(NO3)2 are added to 76.0 mL of 0.21 M Na2CO3, will BaCO3 precipitate? Calculate Q
March 5, 2012 by Tanner

chem
Convert (1) from moles of BaCl2 to moles of AgNo3
March 24, 2011 by cendy

Chem
in the reaction NO3+CaCl2=2AgCl+Ca(NO3)2, how many grams of excess will remain when 20 grams of AgNO3 are reacted with 15 grams of CaCl2
February 25, 2013 by Dean

chemistry lab
what happens to Br-,SO42- and CO32- anions when its sodium salt is treated with (1) NH3 and BaCl2 and (2) HNO3 and AgNO3 solutions. Give the formulas of the products formed.
February 11, 2011 by may

Analytical Chemistry
When BaCl2-H2O (s) is dried in an oven, it loses gaseious water: BaCl2-H2O <--> BaCl2(s) + H2O (g) enthalpy change - 63.11 kJ/mol at 25 degrees C entropy change - +148 J/(K-mol) at 25 degrees C Calculate the vapor pressure of gaseous H2O above BaCl2-H2O at 298K.
October 25, 2010 by Tammy

Science
I need help with this chemistry flame test lab discussion question. "List the metals used in this lab in increasing order of the energy of the light emitted." We tested BaCl2, CaCl2, CuCl2, FE(NO3)3, KCl, LiCl, NaCl, & Sr(No3)2. I'm not completely sure how to know the energy ...
November 3, 2013 by Elva

chemistry
Use the reaction below to determine the volume of 0.123 M AgNO3(aq)that is needed to form 0.657 g of Ag2SO4 (s). 2AgNO3(aq) + H2SO4(aq) Ag2SO4 (s) + 2HNO3(l) 2AgNO3 + H2SO4-----Ag2SO4 + 2HNO3
June 17, 2011 by katydid

Chemistry
In the chemical reaction, . Zn(s) + CuSO4(aq) ZnSO4(aq) + Cu(s), (A) metallic zinc is the reducing agent. (B) metallic zinc in reduced. (C) copper ion is oxidized. (D) sulfate ion is the oxidizing agent.
May 12, 2008 by LT

Chemistry
A cell is set up with copper and lead electrodes in contact with CuSO4(aq) and Pb(NO3)2(aq), respectively, at 25˚C. The standard reduction potentials are: Pb2+ + 2e- --> Pb E˚=-0.13 V Cu2+ + 2e- --> Cu E˚=+.34 V If sulfuric acid is added to the Pb(NO3)2 ...
February 13, 2010 by Anonymous

Chemistry
Which of the following pairs would make a good buffer solution in an aqueous solution? A) H2SO4 and NaHSO4 B) Ca(NO3)2 and HNO3 C) HCl and NaCl D) HF and NaOH E) none of them I know the answer is D but I don't understand why. I would think it would be C since a goo buffer is a...
March 20, 2013 by Jonah

Chemistry
so if the equation I'm using is 3CuSO4+2AL(NO3)3 arrow 3CU(NO3)2+Al2(SO4)3 how many moles of CuSO4 would be needed to produce 8 moles of Al2(SO4)3? Would the answer be 8?
April 21, 2009 by Marc

chemistry
A 0.2528 g sample of a mixture containing sodium carbonate and sand requires 12.32 mL of 0.2409 M HCl(aq). Assuming that the sand does not react with the HCl(aq), what percentage of the mixture is sodium carbonate? Balanced equation: Na2CO3(s) + 2 HCl(aq) 2 NaCl(aq) + CO2(g...
October 5, 2010 by Jordin

Chemistry
Does Pb(NO3)2 + AgNO3 form a precipitate?
November 19, 2008 by Mackenzie

Chem
AgNO3 (aq) + HCl (aq) AgCl (s) + HNO3 (aq) 40.30 grams of silver nitrate and excess HCl, how much silver chloride could you make?
February 27, 2011 by Gigi

Chemistry
AgNO3+FeCl3 --> AgCl+Fe(NO3)3 In an experiment, it was planned to mix a solution containing 25 g of AgNO3 with another solution containing 45 g of FeCl3. a) What is the maximum number of moles of AgCl that could be obtained? I already found the limiting reagent, I just need...
March 9, 2012 by Jamie

chemistry
Can someone please check my work on this problem? That'd be great!: What is the balanced equation for the chemical change of adding Na2CO3 to CuCl2, therefore making CuCO3 form? CuCl2+Na2CO3-->CuCO3+2NaCl right thank you fill in the blanks! Nuclear reactions involve the ...
March 6, 2007 by Fidelia

CHEMISTRY
When 50.0 cm3 of 0.100 mol dm-3 AgNO3 is mixed with 50.0 cm3 of 0.0500 dm-3 HCl in a polystyrene cup, the temperature increases from 20.00C to 20.35C. Assume that the specific heat capacity of the solution is the same as that of water, and that the density of the solution ...
November 12, 2013 by Anonymous

Chemistry
An excess of aqueous AgNO3 reacts with 24.5 mL of 5 M K2CrO4(aq) to form a precipitate. What is the precipitate? Answer: Ag2CrO4 What mass of precipitate is formed? Answer in units of g.
March 23, 2011 by Mary

Chemistry
A 0.2299 N acid is prepared by mixing 100 ml of 0.1234 N H2SO4 and 0.3200 N HCl. How much HCl is needed in the preparation of the solution?
January 19, 2014 by Summer

Science
Find Molecular and net ionic equation for Al(NO3)3 + Na2CO3
March 30, 2011 by unkown

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