SS2: CHEMISTRY - 2ND TERM
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Water & Solution I | Week 110 Topics|1 Quiz
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Water, Solution and Solubility | Week 2 & 39 Topics|1 Quiz
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Air | Week 44 Topics|1 Quiz
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Pollution | Week 56 Topics|1 Quiz
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Rate of Chemical Reaction | Week 6 & 76 Topics|1 Quiz
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Energy and Energy Effect I | Week 8 & 97 Topics|1 Quiz
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Energy and Energy Effect II | Week 10 & 116 Topics|1 Quiz
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Chemical Equilibrium | Week 128 Topics|1 Quiz
Activation Energy and Chemical Reaction
Let us consider the two distinct types of reactions. Exothermic and Endothermic reaction. The energy changes during endothermic and exothermic reactions can be illustrated graphically. This graphical representation of the energy changes in the course of the reaction is known as a reaction profile.
A reaction profile is a sequence of steps shown graphically by which the reaction progresses from reactants, through activated complexes, to products.
The figures below illustrate the energy profile diagram of an endothermic and exothermic reaction.
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