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NaBr + Cu(NO3)2. NaCl + Fe(NO3)3. NaBr + Fe(NO3)3. NaOH + NaNO3. Na2S + NaNO3. NaOH + KNO3. Na2S + KNO3. NaOH + AgNO3. AgOH. Na2S + AgNO3 ...

http://www.saskschools.ca/curr_content/chem30_05/4_solutions/labs/precipitation_reactions_notes.pdf

NaBr + Cu(NO3)2. NaCl + Fe(NO3)3. NaBr + Fe(NO3)3. NaOH + NaNO3. Na2S + NaNO3. NaOH + KNO3. Na2S + KNO3. NaOH + AgNO3. Na2S + AgNO3. NaOH + NH4NO3 ...

http://www.saskschools.ca/curr_content/chem30_05/4_solutions/labs/precipitation_reactions.pdf

the following reactions. __ FeCl3 (aq) + __ Na2S (aq) −−>. __ Cu(NO3)2 (aq) + __ Na2S (aq) −−>. __ Ba(NO3)2 (aq) + __ Na2SO4 (aq) −−>

http://www.scasd.org/24971251595610/lib/24971251595610/CHM1-9.2-Balancing_Rx2.pdf

2 Fe(NO3)3 (aq) + 3 Na2S (aq) → Fe2S3 (s) + 6 NaNO3 (aq) ... d. __ CuCl2 (aq) + __ AgNO3 (aq) → __ AgCl (s) + __ Cu(NO3)2 (aq) ...

http://www.scasd.org/24971251595610/lib/24971251595610/CHM1R-9.pdf

Ca(NO3)2. KCl. Na2SO4. Mg(NO3)2 Cu(NO3)2. NaBr. NH4NO3. Al(NO3)3. AgNO3. Pb(NO3)2. Na2CO3. Na2S. Na3PO4. Fe(NO3)3. Hg2(NO3)2. Fe(NO3)3. Na3PO4. Na2S ...

http://www.chemtopics.com/unit02/precip.pdf

with 33 electrons and makes no sense for a reaction that starts with Na2S ( = 2 Na+ + S2-). - Cu(NO3) means we are dealing with a Cu2+ ion, since nitrate ...

http://webenhanced.lbcc.edu/chemjk/chem2jk/downloads/Quiz/Fall_08/Quiz6_1021_solutions.pdf

M Na2S product with. Na2S. NaNO3 clear. 7.0 yes/no formula yes/no formula yes/no formula yes/no formula. Mg(NO3)2. Fe(NO3)3. Cu(NO3)2. Al(NO3)3. Zn(NO3)2 ...

http://kinardf.people.cofc.edu/153L_HONS_HonorsChemistryLaboratory/Exp10_PeriodicProperties.pdf

Na2S (aq) + SnCl2 (aq) → SnS (s) + 2 NaCl (aq) ... (2) Find the number of moles of 100.0 grams of Cu(NO3)2. (0.5332 moles) ...

http://web.mst.edu/~tbone/Subjects/TBone/MidRevQAFS08.pdf

What percentage of water found in Na2S•9H2O? Na2S: 2(23.0) + 32.1 = 78.1 g/ ... A 5.0 g sample of Cu(NO3)2•nH2O is heated, and 3.9 g of the anhydrous salt ...

http://nphsscience.com/stevens/Chemistry/keys_chem_h/05_key_composition_hydrates.pdf

Na2S. 24. Ag2SO4. 34. PbCl4. 25. NH4F. 35. Hg(NO3)2. 26. FeCr2O7. 36. CrO. 27. PbS. 37. Hg2(NO3)2. 28. Cu(MnO4)2. 38. CaC2O4. 29. Cr2(SO4)3. 39. Ba3(PO4)2 ...

http://www.science.scoopula.com/pages/documents/Science 10/NamingWritingCompoundFormulae.pdf

CuNO3 t. NH4NO3. 2. Identify what is being oxidized, reduced, ... How many grams of Na2S are needed to completely precipitate 355ml of a 0.275M of a ...

http://www.chem.wisc.edu/areas/clc/s10/helpsheet_6_nathanson_schmidt.pdf

NaCl NH4Cl Cu(NO3)2. 33. Classify each of the chemicals below as a strong, weak, ..... 38. a. molecular: 2AgNO3(aq) + Na2S(aq) → 2NaNO3(aq) + Ag2S(s); ...

http://www.chem.wisc.edu/areas/clc/s10/practprob_1_wedlock.pdf

2. Na2S ( ) + CaCl2 ( ) → 2NaCl ( ) + CaS ( ) ... Aqueous copper (II) nitrate, Cu(NO3)2 reacts with aqueous potassium carbonate, K2CO3 forming solid ...

http://www.csun.edu/~jte35633/worksheets/Chemistry/10-4NetIonicEq.pdf

Cu + 2 AgNO3. →. 2 Ag + Cu(NO3)2 .... Ca(CH3COO)2 (aq) + Na2S (aq) → 2 NaCH3COO (aq) + CaS (s) e) lithium phosphate + mercury (I) nitrate → lithium ...

http://gci.wrdsb.on.ca/academics/science/chemistry/Chemistry 3UI_files/unit5homeworkanswers.pdf

a) Ca (s) + Cu(NO3)2 (aq) → Ca(NO3)2 (aq) + Cu (s) b). Ni (s) + AℓPO4 (aq) → NR ... Ca(NO3)2 (aq) + Na2S (aq) → CaS (s) + 2 NaNO3 (aq) ...

http://gci.wrdsb.on.ca/academics/science/chemistry/Chemistry 3UI_files/unit5unitreviewanswers.pdf

by X Dong - 2002 - Cited by 30

http://library.certh.gr/libfiles/PDF/SPIN-152-pages-4489-4493-SYNTHESIS-OF-CUS-DONG-X-IECR-V-41-ISS-18-Y-2002.pdf

Zn(NO3)2 solution. The copper strip and Cu(NO3)2 ... Now the instructor adds 2 M Na2S slowly to the beaker, note the voltage. They will continue to add ...

http://www.d155.org/clc/faculty/faculty_pages/foerster/hchempacket18/lab_28.pdf

If no precipitate is formed, write no precipitate. a. Zn(NO3)2 + SnCl2 y b. KCl + AgNO3 y c. Cu(NO3)2 + Na2S y d. Al2(SO4)3 + 3Mg(OH)2 y.

http://www.sd129.org/teachers/jcresse/downloads/11_practice_problems.pdf

appropriate 0.1M aqueous solution: Cu(NO3)2, Zn(NO3)2, MgSO4, and FeSO4 (made ... Add 2-5 mL of 0.2M Na2S to the 0.001 M CuSO4 solution prepared in step 2. ...

http://seattlecentral.edu/faculty/mvillarba/CHEM162/Electrochemistryv031609.pdf

Cu + 4 HNO3 → Cu(NO3)2 + 2 NO2 + 2 H2O a) How many grams of nitric acid are ... c) Ni(C2H3O2)2(aq) + Na2S(aq) → NiS(s) + 2 NaC2H3O2(aq). Ni+2. (aq) + S-2 ...

http://web.clark.edu/nfattaleh/classes/141_151/Homework/141F08Hwk3SOLN.pdf

__ Cu(NO3)2 + __ NO + __ H2O. 14. __ BaCO3 + __ C + __ H2O → __ CO + __ Ba(OH)2 ... + __ Na2S → __ CaS + __ NaBr. 22. __ Al + __ V2O5. → __ V + __ Al2O3 ...

http://www.chemistryconnections.com/Chemical Reaction Types/balancing worksheet1.pdf

Solutions of Na2S are toxic and produce H2S (which is quite smelly! ... What is the name of the compound whose chemical formula is Cu(NO3)2? 2. ...

http://fs6.depauw.edu:50080/~harvey/Chem 130/PDF Files/Lab/InvestigatingChemicalReactions.pdf

The Cu(NO3)2 gave the solution the green color. NO2 was the gas produced. ... Na2S(aq) + Cd(NO3)2(aq) -----> CdS(s) + NaNO3(aq) ...

http://www.aug.edu/~chmwww/labs/1151/chemicalreactions.pdf

mixed. If no precipitate is formed, write no precipitate. a) Zn(NO3)2 + SnCl2 > b) KCl + AgNO3 > c) Cu(NO3)2 + Na2S > d) Al2(SO4)3 + Mg(OH)2 >

http://chemstudy.tripod.com/ChemPDF/8_Pretest.pdf

a. Na2CO3(aq) + MgSO4(aq)  b. Pb(NO3)2 (aq) + Na2S (aq)  ... Cu(NO3)2. 5. Complete and balance the following molecular equations, and then write the net ...

http://www.glenoaks.cc.mi.us/facultystaff/FacultyWebSites/SarahSimmons/Documents/Reactions in Aqueous Solution Worksheet.pdf

h) ___ Cu + ___ HNO3 -> ___ Cu(NO3)2 +___ NO + ___ H2O ... Na2S -> 2NaCl + ZnS, f) CaCO3 + 2HCl -> CaCl2 + H2O + CO2, 5)a) Mg3N2. + 6H2O -> 3Mg(OH)2 + 2NH3, ...

http://www.mrowen.com/chem11/reactions/reactions170.pdf

with either nitric acid or different proportions of Cu(NO3)2 in acetic .... Thiophenes synthezised by our laboratory. a Na2S.9H2O, BrCH2NO2, NaOH; ...

http://www.usc.es/congresos/ecsoc/11/hall_aGOS/a006/a006.pdf

(10,1) NH4CI + AgNO3➝ AgCI + NH4++ NO3. -. (3,2) Na2S + H2SO4➝ H2S + 2Na++ SO4 ... + Na2S ➝ BaS + 2Cl-+ 2Na+. (8,4) CuSO4 + 2NaOH ➝ Cu(OH)2 + SO4-+ 2Na+ ...

http://www.fofweb.com/Onfiles/SEOF/Science_Experiments/5-2.pdf

some water-soluble salts [CaCl2, Na2HPO4, Cu(NO3)2,. Na2S, ZnSO4] in sodium bis(2-ethylhexyl)sulfosuccinate. (AOT)/n-heptane solutions has been carried out ...

http://www.springerlink.com/index/26HJ43NX97PY3LQ8.pdf

ing an aqueous Zn(NO3)2 and Cu(NO3)2 solution (Zn2+: 0.2 mol/l, 50 ml) with an aqueous Na2S solution (1 mol/l,. ∗ To whom correspondence should be ...

http://www.springerlink.com/index/QWQ413N42872T2G8.pdf

Na2S. Cu(NO3)2. NiSO4. AgNO3. All you have to do is match these identities to the code on each test tube. This kind of process is called qualitative ...

http://classes.uleth.ca/200703/chem1000d/Lab Manual/22_Mystery13 TT_v07.pdf

2. What percentage of water is found in Na2S•9H2O ... A 5.0 g sample of Cu(NO3)2•nH2O is heated, and 3.9 g of the anhydrous salt remains. ...

http://hwp.ocps.net/tl/samoskp/Microsoft Word - Mole.pdf

Na2S(aq) + Cu(NO3)2(aq) > 2NaNO3(aq) + CuS(s) i. This is a precipitation reaction. CuS is the precipitate. ii. 2Na+(aq) + S2-(aq) + Cu2+(aq) + 2NO3 ...

http://www.germanna.edu/tutor/Handouts/Chemistry/Aqueous_Reactions.pdf

24 Feb 2009 ... Cu(NO3)2. CdS Sb2S3. PbS (NH4)2S soluble insoluble. (c) Sulfides. Cu(OH)2 ... 2 HCl(aq) + Na2S(aq) → 2 NaCl(aq) + H2S(g) ...

http://www.aptos.indiana.edu/c103/documents/C103S2009Chapter5.16pp.pdf

19 Oct 2009 ... Cu(NO3)2. CdS Sb2S3. PbS (NH4)2S soluble insoluble. (c) Sulfides. Cu(OH)2 ... 2 HCl(aq) + Na2S(aq) → 2 NaCl(aq) + H2S(g) ...

http://www.aptos.indiana.edu/c103/documents/C103F2009Chapter5-16slides.pdf

Na2S (aq) + Cu(NO3)2 (aq) → NaNO3 (aq) + CuS (s) f. HCl (aq) + O2 (g) → H2O (l) + Cl2 (g) g. H2 (g) + O2 (g) → H2O (l) ...

http://web.stcloudstate.edu/jfmckenna/Courses/chem140/Chapter 7/Problems.pdf

Cu(NO3)2 + Na2S → 2 NaNO3 + CuS. 11. Complete (where necessary) and balance the following reactions. Then determine type of each reaction. Use the activity ...

http://www4.smsd.org/susanhallstrom/docs/Doc-27756.pdf

19 Feb 2009 ... Cu (s) + Fe(NO3)2 (aq) →. 2. Fe (s) + Cu(NO3)2 (aq) → .... Pb(NO3)2 (aq) + Na2S (aq) →. 2. H2SO4 (aq) + Zn (s) → ...

http://www.mrchesnut.com/resources/chemical_equations_worksheet_packet.pdf

Suppose that 24.86 mL of this Na2S solution was required to react with 0.377 g of a dichromate salt. .... c) 3 Cu + 8 HNO3 -----> 2 NO + 3 Cu(NO3)2 + 4 H2O ...

http://faculty.smu.edu/jmaguire/Gen Chem/3. Redox & Soln reactions.pdf

+ Na2S = NiS + 2 NaCl. 8. (5 pts) SO3 and NO2 are blamed for causing acid rain. ... b) 2 NaOH + Cu(NO3)2 = Cu(OH)2 + 2 NaNO3 e) 2 H2O + 2 Na = 2 NaOH + H2 ...

http://faculty.augie.edu/~dew/120-02s.pdf

Cu + 2 AgNO3 → Cu(NO3)2 + 2 Ag. Fe + CuSO4 → FeSO4 + Cu ... e) Ba(NO3)2 (aq) + NaOH (aq) → Ba(OH)2↓ + NaNO3 f) Na2S (aq) + SbCl3 (aq) → Sb2S3↓ + NaCl ...

http://employeeweb.cgc.maricopa.edu/k/ri/krishnaswamy/130Reviewsheets/Chapter 8.pdf

Now add 5 ml of 2M Na2S solution. Stir. Again record the voltage. ... beaker, then add 5 drops of Cu(NO3)2, and stir well to ...

http://www2.ohlone.edu/people/jklent/labs/101B_labs/Voltaic Cells.pdf

Ni(NO3)2 (aq) + Na2S (aq) →. NiS (s) + 2 NaNO3 (aq) .... Cu(NO3)2 (aq) + Zn (s) →. The nonmetal activity levels increase as you go toward the top of the ...

http://sunny.moorparkcollege.edu/~dfranke/chemistry_1A/reactions.pdf

Ni(NO3)2 (aq) + Na2S (aq) → NiS (s) + 2 NaNO3 (aq) .... Cu(NO3)2 (aq) + Zn (s) →. The nonmetal activity levels increase as you go from the bottom to the ...

http://sunny.moorparkcollege.edu/~dfranke/chemistry_12/Ch7_Chem_Reactions.pdf

(1) 2Na + S → Na2S. (2) 2Ca + O2 → 2CaO. (3) S2Cl2 + Cl2 → 2SCl2 .... (9) NO2 + H2O → HNO3 + NO. (10) Cu + HNO3 → Cu(NO3)2 + NO + H2O.

http://teachers.yourhomework.com/lipetz/reactions.pdf

a. Na2S b. CuS c. Cu(NO3)2 d. NaNO3 e. NaCu. 11. What is the correctly balanced net ionic equation for the reaction that occurs when aqueous ...

http://homepage.smc.edu/kline_peggy/Exam_Archive/Chem_10/Spring_04/Test_2A.pdf

Cu + 2AgNO3 ===> 2Ag + Cu(NO3)2. Mg(OH)2 ===> MgO + H2O. N2 + 3H2 ===> 2NH3 a. 0 b. 1 c. 2 d. ... a. Na2S b. K3PO4 c. Pb(NO3)2 d. CaCl2 e. all are soluble ...

http://cobalt.chem.wwu.edu/sdgchem121/Docs/WWUDocs/PracticeFnlNoAns.pdf

What's the name of the compound whose chemical formula is Cu(NO3)2? .... Predict what would happen if you add Na2S(aq) to your test tube. ...

http://www.salineschools.com/users/sparksb/AP Lab Data Error Analysis.pdf

8. HCl + KOH →. 9. Cu(NO3)2 + Na2S →. 10. Pb(NO3)2(aq) + NaCl(aq) → ...... Cu(NO3)2(aq) + Na2S(aq) → CuS(s) + 2 NaNO3(aq). IONIC: Cu+2. (aq) + 2NO3 ...

http://www.hwscience.com/Chemistry/regchemistry/Unit 2/Unit 2 Study Guide '09-'10.pdf

a. MgSO4(aq) + KOH(aq) → ? b. FeCl3(aq) + Na2S(s) → ? c. Sr(NO3)2(aq) + Na2SO4(aq) → ? ... 1. 2AgNO3 + Cu → 2Ag + Cu(NO3)2. 2. F2 + 2NaCl → Cl2 + 2NaF ...

http://bap1.com/dfeebeck/apchem/5/Aqueous solutions summary.pdf