- Chapter Energy Changes is continued in this session. Energy Profile Diagram and Fuel Cells are explained. The session consists of the following 5-part video lessons: 1) Energy Changes - PART 7: - Energy Profile Diagram is explained. - Activation Energy (Ea) in reactions is explained. - Enthalpy Change and Activation Energy (Ea) in Energy Profile Diagrams is explained. 2) Energy Changes - PART 8: - "Fuel Cells" is discussed and explained. - Discussion on efficiency of "Fuel Cells" compared to combustion method. - Fuel Cell defined as an energy producing device. 3) Energy Changes - PART 9: - Example of a Fuel Cell discussed: Hydrogen-Oxygen Fuel Cell - "Reaction at Positive Electrode of fuel cell" is explained. 4) Energy Changes - PART 10: - "Reaction at Negative Electrode of fuel cell" is explained. 5) Energy Changes - PART 11: - "Overall Equation of Reaction in fuel cell" is explained. Notes for the concepts discussed in this session are available in the Exercise File section Homework on Energy Changes is available in the Exercise File section
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Session 11: Energy Changes
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Session 33 - Energy Changes
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PART 7 - Energy Changes - Energy Profile Diagram 9 mins
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Demo video
PART 7 - Energy Changes - Energy Profile Diagram
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PART 8 - Energy Changes - Fuel Cells 6 mins
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Demo video
PART 8 - Energy Changes - Fuel Cells
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PART 9 - Energy Changes - Fuel Cell Reactions 7 mins
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Demo video
PART 9 - Energy Changes - Fuel Cell Reactions
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PART 10 - Energy Changes - Fuel Cell Reactions 4 mins
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Demo video
PART 10 - Energy Changes - Fuel Cell Reactions
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PART 11 - Energy Changes - Fuel Cell Reactions 8 mins
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Demo video
PART 11 - Energy Changes - Fuel Cell Reactions
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PART 7 - Energy Changes - Energy Profile Diagram 9 mins
View Demo
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Session 33 - Energy Changes
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Excercise Files
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