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Big Idea 1 Big Idea 2 Big Idea 2
Energy is released in and exothermic Energy of the reactants is Heat of Reaction
reaction greater than energy of is negative in
And products in an exothermic
reaction exothermic
Energy is absorbed in an endothermic
And reaction
reaction Energy of the reactants is
less than energy of products And
in an endothermic reaction Heat of Reaction

is positive in

endothermic
reaction

What you intend the learners to The difference between Endothermic and The difference between The difference
now about the idea (CS)
Exothermic Reaction Endothermic and Exothermic between
Reaction Endothermic and

Exothermic
Reaction
Why is it important for learners To differentiate between the diagrams of To be able to draw the diagrams To be able to
to know this? (CS)
endothermic and exothermic reaction for both endothermic and calculate the
exothermic reactions change in

Enthalpy for both
endothermic and
exothermic

reactions