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Showing posts with label Cambridge IGCSE Definitions Revision. Show all posts
Showing posts with label Cambridge IGCSE Definitions Revision. Show all posts
What is Activation energy (Ea) in IGCSE Chemistry
A ctivation energy (Ea) is the minimum energy that colliding particles must have in order to react. It can be seen in the Energy level diagrams as the initi…
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What is an Endothermic Reaction in IGCSE CHEMISTRY ?
An Endothermic reaction takes in thermal energy from the surroundings (energy absorbed from the surroundings) leading to an decrease in the temperature of…
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What is an Exothermic Reaction in IGCSE CHEMISTRY ?
An Exothermic reaction transfers thermal energy to the surroundings (energy lost to surroundings) leading to an increase in the temperature of the surroundin…
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Revision Definitions GCSE Chemistry 3
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Revision Definitions GCSE Chemistry 2
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