Physical & Chemical Changes Video Lessons

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Concept:

Problem: When water is heated, bubbles form in the water. Is this evidence of a chemical reaction? Why?

FREE Expert Solution

Let’s first define a physical change and a chemical change.

Physical change → there is a change in a matter as it goes from one physical state to another.

Chemical change/reaction → atoms rearrange themselves to create a new substance


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Problem Details

When water is heated, bubbles form in the water. Is this evidence of a chemical reaction? Why?

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