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Energy changes
A short section, and one where the reaction profile diagrams are worth practising until they can be drawn without hesitation.
01
Exothermic and endothermic reactions
Identifying and giving examples
Coming soon
02
Reaction profiles
Drawing and labelling activation energy
Coming soon
03
Bond energy calculations
Bonds broken and bonds made
Coming soonHigher only
04
Cells and batteries
How chemical cells produce a voltage
Coming soon
05
Fuel cells
The hydrogen fuel cell and its advantages
Coming soonAll of this is free
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