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IB Chemistry on Energetic experiments, Enthalpy change of reactions which can be determined experimentally
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IB Chemistry on Energetic experiments, Enthalpy change of reactions which can be determined experimentally

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IB Chemistry on Energetic Experiments, Enthalpy change of reactions which are determined experimentally

IB Chemistry on Energetic Experiments, Enthalpy change of reactions which are determined experimentally

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  • 1. Video Tutorial on Energetic Experiments onEnthalpy change of reactions which can bedetermined experimentally. Prepared by Lawrence Kok http://lawrencekok.blogspot.com
  • 2. Video on Calorimetry and Hess’s LawCalorimetry for MgSO4 Calorimetry using polystyrene cup Detail tutorial on heat capacityCalorimetry tutorial Calorimetry calculation
  • 3. EXPERIMENT 1 (Displacement )Determination of ΔH for Zn + CuSO4(aq)  ZnSO4 (aq) + Cu (s)
  • 4. EXPT : Determining ΔH for Zn + CuSO4 (aq)  ZnSO4 (aq) + Cu (s)Procedure :To prevent heat loss to surrounding, expt was done using a double layer polystyrene cup with a lid
  • 5. EXPT : Determining ΔH for Zn + CuSO4 (aq)  ZnSO4 (aq) + Cu (s)Data Collection
  • 6. EXPT : Determining ΔH for Zn + CuSO4 (aq)  ZnSO4 (aq) + Cu (s)Data CollectionCalculation
  • 7. EXPT : Determining ΔH for Zn + CuSO4 (aq)  ZnSO4 (aq) + Cu (s)Conclusion
  • 8. EXPT : Determining ΔH for Zn + CuSO4 (aq)  ZnSO4 (aq) + Cu (s)ConclusionError Analysis
  • 9. EXPT 2 (Combustion)Determining ΔHc for C2H5OH + 3O2(q)  CO2(q) + H2O (g)
  • 10. EXPT : Determining ΔHc for C2H5OH + 3O2 (g)  CO2(g) + H2O (g)Procedure :To prevent heat loss to surrounding, expt was done using a copper container and heat shield
  • 11. EXPT : Determining ΔHc for C2H5OH + 3O2 (g)  CO2(g) + H2O (g)Data Collection
  • 12. EXPT : Determining ΔHc for C2H5OH + 3O2 (g)  CO2(g) + H2O (g)Data CollectionCalculation
  • 13. EXPT : Determining ΔHc for C2H5OH + 3O2 (g)  CO2(g) + H2O (g)Conclusion
  • 14. EXPT : Determining ΔHc for C2H5OH + 3O2 (g)  CO2(g) + H2O (g)ConclusionError Analysis
  • 15. EXPT 3 (Neutralization)Determining ΔHN for HCI + NaOH NaCI + H2O
  • 16. EXPT : Determining ΔHN of HCI + NaOH  NaCI + H2OProcedure :To prevent heat loss to surrounding, expt was done using a double layer polystyrene cup with a lid
  • 17. EXPT : Determining ΔHN of HCI + NaOH  NaCI + H2OData Collection
  • 18. EXPT : Determining ΔHN of HCI + NaOH  NaCI + H2OData CollectionCalculation
  • 19. EXPT : Determining ΔHN of HCI + NaOH  NaCI + H2OConclusion
  • 20. EXPT : Determining ΔHN of HCI + NaOH  NaCI + H2OConclusionError Analysis
  • 21. EXPT 4 (Precipitation)Determining ΔHPPT AgNO3(aq) + NaCI(aq) AgCI(s) + NaNO3(aq)
  • 22. EXPT : Determining ΔHPPT AgNO3(aq) + NaCI (aq)  AgCI (s)+ NaNO3(aq)Procedure :To prevent heat loss to surrounding, expt was done using a double layer polystyrene cup with a lid
  • 23. EXPT : Determining ΔHPPT AgNO3(aq) + NaCI (aq)  AgCI (s)+ NaNO3(aq)Data Collection
  • 24. EXPT : Determining ΔHPPT AgNO3(aq) + NaCI (aq)  AgCI (s)+ NaNO3(aq)Data Collection Calculation
  • 25. EXPT : Determining ΔHPPT AgNO3(aq) + NaCI (aq)  AgCI (s)+ NaNO3(aq)Conclusion
  • 26. EXPT : Determining ΔHPPT AgNO3(aq) + NaCI (aq)  AgCI (s)+ NaNO3(aq)ConclusionError Analysis
  • 27. Video on Calorimetry and Hess’s LawCalorimetry for MgSO4 Calorimetry using polystyrene cup Detail tutorial on heat capacityCalorimetry tutorial Calorimetry calculation
  • 28. AcknowledgementsThanks to source of pictures and video used in this presentationThanks to Creative Commons for excellent contribution on licenseshttp://creativecommons.org/licenses/Prepared by Lawrence KokCheck out more video tutorials from my site and hope you enjoy this tutorialhttp://lawrencekok.blogspot.com