232 experiment 3 chemical reactions general chemistry

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Unformatted text preview: products: Product remaining liquid Observations gas Result of the glowing splint test _____ H2 O2 (aq) à Dakota State University H2 O (l) + Page 69 of 232 Experiment 3: Chemical Reactions General Chemistry I and II Lab Manual Sodium Bicarbonate: Reactant Sodium Bicarbonate Observations Observations of the products: Product Observations solid gases Result of the glowing splint test Result of the pHydrion test Unheated test tube _____ NaHCO3 (s) à Heated test tube N a2 CO3 (s) + + __________ Potassium Perchlorate: Reactant Potassium Perchlorate Observations Manganese Dioxide Observations of the products: Product Observations solid gases Result of the Dakota State University Page 70 of 232 Experiment 3: Chemical Reactions General Chemistry I and II Lab Manual glowing splint test _____ KClO 3 (s) à + __________ Copper and Silver Nitrate Solution (conclusion): Product Observations Solid Liquid _____ Cu (s) + _____ AgNO3 (aq) à Dakota State University Page 71 of 232 Experiment 3: Chemical Reactions General Chemistry I and II Lab Manual Zinc or Aluminum in Copper (II) Sulfate Solution (conclusion): Product Observations Solid Liquid Zn (s) + CuSO4 (aq) à Al (s) + CuSO4 (aq) à or Hydrochloric acid and sodium hydroxide: Species Hydrochloric acid Observations Sodium hydroxide Product Observations on mixing: _____ HCl (aq) + _____ NaOH (aq) à Dakota State University Page 72 of 232 Experiment 3: Chemical Reactions General Chemistry I and II Lab Manual Reactions of Salt Solutions: Salt Observations (before reaction) solution 0.1 M Potassium Chromate (K 2 CrO4 ) 0.1 M Lead (II) Nitrate (Pb(NO3 )2 ) 0.1 M Silver Nitrate (AgNO3 ) 0.1 M Sodium Chloride (NaCl) 0.1 M Copper (II) Sulfate (CuSO4 ) 0.1 M Sodium Hydroxide (NaOH) Observations: Dakota State University Page 73 of 232 Experiment 3: Chemical Reactions K2 CrO4 Pb(NO3 )2 General Chemistry I and II Lab Manual AgNO3 NaCl CuSO4 Pb(NO3 )2 AgNO3 NaCl CuSO4 NaOH Dakota State University Page 74 of 232 Experiment 3: Chemical Reactions General Chemistry I and II Lab Manual _____ Pb(NO3 )2 (aq) + _____ K2 CrO4 (aq) à _____ AgNO3 (aq) + _____ K2CrO 4 (aq) à _____ AgNO3 (aq) + _____ Pb(NO3 )2 (aq) à _____ NaCl (aq) + _____ K2 CrO4 (aq) à _____ NaCl (aq) + _____ Pb(NO3 )2 (aq) à _____ NaCl (aq) + _____ AgNO3 (aq) à _____ CuSO4 (aq) + _____ K2 CrO4 (aq) à _____ CuSO4 (aq) + _____ Pb(NO3 )2 (aq) à _____ CuSO4 (aq) + _____ AgNO3 (aq) à _____ CuSO4 (aq) + _____ NaCl (aq) à _____ NaOH (aq) + _____ K2 CrO4 (aq) à _____ NaOH (aq) + _____ Pb(NO3 )2 (aq) à _____ NaOH (aq) + _____ AgNO3 (aq) à _____ NaOH (aq) + _____ NaCl (aq) à _____ NaOH (aq) + _____ CuSO4 (aq) à Dakota State University Page 75 of 232 Experiment 3: Chemical Reactions General Chemistry I and II Lab Manual Pre-Lab Questions: 1. What is a catalyst? 2. What is the only type of reaction with only a single product? 3. Why is it important to balance chemical equations? Dakota State University Page 76 of 232 Experiment 3: Chemical Reactions General Chemistry I and II Lab Manual Post-Lab Question: 1. Balance all chemical equations 2. Chemists discuss the con...
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