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Chemistry GCSE > C7 - energy changes > Flashcards

C7 - energy changes Flashcards

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1
Q

What is the difference between exo and endothermic reactions?

A

Exo = gives out more energy than it takes out
Endo = takes in more energy than gives out.

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2
Q

What Is activation energy?

A

The minimum amount of energy required to start a reaction

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3
Q

Give me a type of exothermic reaction.

A

Combustion or hand warmer

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4
Q

How does a reusable Hand warmer work?

A

Exothermic reaction-

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Chemistry GCSE (7 decks)

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