3 years ago

How do chemical reactions, such as burning, differ from physical changes, such as melting and other phase changes?

1 answer:

5 0

Answer:

How to differentiate between physical and chemical change?

Physical and Chemical Changes to Matter

Physical changes only change the appearance of a substance, not its chemical composition.

Chemical changes cause a substance to change into an entire substance with a new chemical formula.

Chemical changes are also known as chemical reactions.

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sammy [17]

I would go with radioactivity is controlled radiation from a nucleus

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Virty [35]

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Kobotan [32]

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A: A boulder that is falling after being pushed off a cliff.

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Explanation:

These are examples of potential energy because they are holding energy before it is released.

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Hitman42 [59]

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fgiga [73]

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