IB Chemistry on Energetic experiments, Enthalpy change of reactions which can be determined...
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IB Chemistry on Energetic Experiments, Enthalpy change of reactions which are determined experimentally
Transcript of IB Chemistry on Energetic experiments, Enthalpy change of reactions which can be determined...
http://lawrencekok.blogspot.com
Prepared by Lawrence Kok
Video Tutorial on Energetic Experiments on Enthalpy change of reactions which can be determined experimentally.
Video on Calorimetry and Hess’s Law
Calorimetry for MgSO4 Calorimetry using polystyrene cup Detail tutorial on heat capacity
Calorimetry tutorial Calorimetry calculation
EXPERIMENT 1 (Displacement )
Determination of ΔH for Zn + CuSO4(aq) ZnSO4 (aq) + Cu (s)
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
EXPT : Determining ΔH for Zn + CuSO4 (aq) ZnSO4 (aq) + Cu (s)
Data Collection
EXPT : Determining ΔH for Zn + CuSO4 (aq) ZnSO4 (aq) + Cu (s)
Data Collection
Calculation
EXPT : Determining ΔH for Zn + CuSO4 (aq) ZnSO4 (aq) + Cu (s)
Conclusion
EXPT : Determining ΔH for Zn + CuSO4 (aq) ZnSO4 (aq) + Cu (s)
Conclusion
Error Analysis
EXPT 2 (Combustion)
Determining ΔHc for C2H5OH + 3O2(q) CO2(q) + H2O (g)
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
EXPT : Determining ΔHc for C2H5OH + 3O2 (g) CO2(g) + H2O (g)
Data Collection
EXPT : Determining ΔHc for C2H5OH + 3O2 (g) CO2(g) + H2O (g)
Data Collection
Calculation
EXPT : Determining ΔHc for C2H5OH + 3O2 (g) CO2(g) + H2O (g)
Conclusion
EXPT : Determining ΔHc for C2H5OH + 3O2 (g) CO2(g) + H2O (g)
Conclusion
Error Analysis
EXPT 3 (Neutralization)
Determining ΔHN for HCI + NaOH NaCI + H2O
EXPT : Determining ΔHN of HCI + NaOH NaCI + H2O
Procedure :To prevent heat loss to surrounding, expt was done using a double layer polystyrene cup with a lid
EXPT : Determining ΔHN of HCI + NaOH NaCI + H2O
Data Collection
EXPT : Determining ΔHN of HCI + NaOH NaCI + H2O
Data Collection
Calculation
EXPT : Determining ΔHN of HCI + NaOH NaCI + H2O
Conclusion
EXPT : Determining ΔHN of HCI + NaOH NaCI + H2O
Conclusion
Error Analysis
EXPT 4 (Precipitation)
Determining ΔHPPT
AgNO3(aq) + NaCI(aq) AgCI(s) + NaNO3(aq)
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
EXPT : Determining ΔHPPT AgNO3(aq) + NaCI (aq) AgCI (s)+ NaNO3(aq)
Data Collection
EXPT : Determining ΔHPPT AgNO3(aq) + NaCI (aq) AgCI (s)+ NaNO3(aq)
Data Collection
Calculation
EXPT : Determining ΔHPPT AgNO3(aq) + NaCI (aq) AgCI (s)+ NaNO3(aq)
Conclusion
EXPT : Determining ΔHPPT AgNO3(aq) + NaCI (aq) AgCI (s)+ NaNO3(aq)
Conclusion
Error Analysis
Video on Calorimetry and Hess’s Law
Calorimetry for MgSO4 Calorimetry using polystyrene cup Detail tutorial on heat capacity
Calorimetry tutorial Calorimetry calculation
Acknowledgements
Thanks to source of pictures and video used in this presentation
Thanks to Creative Commons for excellent contribution on licenseshttp://creativecommons.org/licenses/
Prepared by Lawrence Kok
Check out more video tutorials from my site and hope you enjoy this tutorialhttp://lawrencekok.blogspot.com
