Science chemistry

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What is a reaction
When two substances mix to form a new one
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What is physical change
When's it's reversible example butter melting
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What is a chemical change
When it's irreversible example penny turning green
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What is collision theory
When particles collide to form energy
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What affects the rate of reaction
Temperature su
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Other cards in this set

Card 2

Front

What is physical change

Back

When's it's reversible example butter melting

Card 3

Front

What is a chemical change

Back

Preview of the front of card 3

Card 4

Front

What is collision theory

Back

Preview of the front of card 4

Card 5

Front

What affects the rate of reaction

Back

Preview of the front of card 5

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