Problem: The images below show molecules undergoing changes (where each sphere represents an atom and each color represents a different element in a molecule). Classify each change as physical or chemical.

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 → atoms rearrange themselves to create a new substance


Now, let’s take a look at each image:

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Problem Details

The images below show molecules undergoing changes (where each sphere represents an atom and each color represents a different element in a molecule). Classify each change as physical or chemical.

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What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Physical & Chemical Changes concept. You can view video lessons to learn Physical & Chemical Changes. Or if you need more Physical & Chemical Changes practice, you can also practice Physical & Chemical Changes practice problems.

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Based on our data, we think this problem is relevant for Professor Pelton's class at UMN.