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GCSE 9-1 Chemistry revision > Energetics > Flashcards

Energetics Flashcards

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1
Q

Exothermic reaction

A

Transfer energy from the reacting molecule to the surroundings

Negative -

Temp of surroundings increase

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2
Q

Examples of exothermic reactions

A

Combustion

Oxidation

Neutralisation

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3
Q

Endothermic reaction

A

Take in energy from their surroundings

Positive +

Temp of surroundings decreases

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4
Q

Sufficient energy

A

Reactions can only occur when particles collide with each other and with sufficient energy

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5
Q

Activation energy

A

The minimum amount of energy that particles must have in order to react

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GCSE 9-1 Chemistry revision (4 decks)

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