C5 - Energy Changes Flashcards by Mani Tamrakar

Q

What is an endothermic reaction?

A

Take in energy from the surroundings, the products have more energy than the reactants

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Q

What is an exothermic reaction

A

They transfer energy to the surroundings, the products have less energy than the reactants

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Q

What are some common exothermic reactions?

A

Combustion
Neutralisation
Oxidation

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Q

What are some common exothermic reactions?

A

Electrolysis
Melting ice cube
Photosynthesis
Thermal decomposition

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Q

What is the activation energy?

A

The minimum amount of energy the reactant particles need in order to collide with each other and react

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Q

What is bond energy?

A

The amount of energy required to break 1 mole of a particular covalent bond

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Q

A

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