1. Video Tutorial on Energetic Experiments onEnthalpy changes of reaction which cannotbe determined directly. (Using Hesss Law) Prepared by Lawrence Kok http://lawrencekok.blogspot.com

2. Video on Calorimetry and Hesss LawCalorimetry for MgSO4 Calorimetry using polystyrene cup Detail tutorial on heat capacityCalorimetry tutorial Calorimetry calculation 3. EXPERIMENT 1Determination of H for Mg (s) + O2 MgO (s) 4. EXPT : Calculate the H for Mg (s) + O2 MgO (s)Procedure :To prevent heat loss to surrounding, expt was done using a double layer polystyrene cup with a lidHesss Law 5. EXPT : Calculate the H for Mg (s) + O2 MgO (s) 6. EXPT : Calculate the H for Mg (s) + O2 MgO (s)Data Collection 7. EXPT : Calculate the H for Mg (s) + O2 MgO (s)Data CollectionCalculation 8. EXPT : Calculate the H for Mg (s) + O2 MgO (s) 9. EXPT : Calculate the H for Mg (s) + O2 MgO (s)Data Collection 10. EXPT : Calculate the H for Mg (s) + O2 MgO (s)Data CollectionCalculation 11. EXPT : Calculate the H for Mg (s) + O2 MgO (s)Conclusion 12. EXPT : Calculate the H for Mg (s) + O2 MgO (s)ConclusionError Analysis 13. EXPERIMENT 2Determination of H MgSO4 (s) + 7H2O MgSO4 . 7H2O (s) 14. EXPT : Calculate the H MgSO4 (s) + 7H2O MgSO4 . 7H2O (s)Procedure :To prevent heat loss to surrounding, expt was done using a double layer polystyrene cup with a lid Hesss Law 15. EXPT : Calculate the H MgSO4 (s) + 7H2O MgSO4 . 7H2O (s) 16. EXPT : Calculate the H MgSO4 (s) + 7H2O MgSO4 . 7H2O (s)Data Collection 17. EXPT : Calculate the H MgSO4 (s) + 7H2O MgSO4 . 7H2O (s)Data CollectionCalculation 18. EXPT : Calculate the H MgSO4 (s) + 7H2O MgSO4 . 7H2O (s) 19. EXPT : Calculate the H MgSO4 (s) + 7H2O MgSO4 . 7H2O (s)Data Collection 20. EXPT : Calculate the H MgSO4 (s) + 7H2O MgSO4 . 7H2O (s)Data CollectionCalculation 21. EXPT : Calculate the H MgSO4 (s) + 7H2O MgSO4 . 7H2O (s)Conclusion 22. EXPT : Calculate the H MgSO4 (s) + 7H2O MgSO4 . 7H2O (s)Conclusion Error Analysis 23. EXPERIMENT 3Determination of H for 2KHCO3 (s) K2CO3(s) + CO2 + H2O 24. EXPT : Calculate the H for 2KHCO3 (s) K2CO 3(s) + CO2 + H2OProcedure :To prevent heat loss to surrounding, expt was done using a double layer polystyrene cup with a lid Hesss Law 25. EXPT : Calculate the H for 2KHCO3 (s) K2CO 3(s) + CO2 + H2O 26. EXPT : Calculate the H for 2KHCO3 (s) K2CO 3(s) + CO2 + H2OData Collection 27. EXPT : Calculate the H for 2KHCO3 (s) K2CO 3(s) + CO2 + H2OData CollectionCalculation 28. EXPT : Calculate the H for 2KHCO3 (s) K2CO 3(s) + CO2 + H2O 29. EXPT : Calculate the H for 2KHCO3 (s) K2CO 3(s) + CO2 + H2OData Collection 30. EXPT : Calculate the H for 2KHCO3 (s) K2CO 3(s) + CO2 + H2OData CollectionCalculation 31. EXPT : Calculate the H for 2KHCO3 (s) K2CO 3(s) + CO2 + H2OConclusion 32. EXPERIMENT 4Determination of H for CuSO4 (s) + 5H2O CuSO4 . 5H2O (s) 33. EXPT : Calculate the H for CuSO4 (s) + 5H2O CuSO4 . 5H2O (s)Procedure :To prevent heat loss to surrounding, expt was done using a double layer polystyrene cup with a lid 34. EXPT : Calculate the H for CuSO4 (s) + 5H2O CuSO4 . 5H2O (s) 35. EXPT : Calculate the H for CuSO4 (s) + 5H2O CuSO4 . 5H2O (s)Data Collection 36. EXPT : Calculate the H for CuSO4 (s) + 5H2O CuSO4 . 5H2O (s)Data CollectionCalculation 37. EXPT : Calculate the H for CuSO4 (s) + 5H2O CuSO4 . 5H2O (s)6.24g 38. EXPT : Calculate the H for CuSO4 (s) + 5H2O CuSO4 . 5H2O (s)6.24gData Collection 39. EXPT : Calculate the H for CuSO4 (s) + 5H2O CuSO4 . 5H2O (s)6.24gData CollectionCalculation 40. EXPT : Calculate the H for CuSO4 (s) + 5H2O CuSO4 . 5H2O (s)Conclusion 41. Video on Calorimetry and Hesss LawCalorimetry for MgSO4 Calorimetry using polystyrene cup Detail tutorial on heat capacityCalorimetry tutorial Calorimetry calculation 42. 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