Modeling Matter Chapter 3

Front

What is an emulsifier?

Back

An emulsifier is a substance that allows two liquids to mix together, preventing them from separating.

Front

Do all liquid mixtures stay mixed and never separate?

Back

False. Some liquid mixtures can separate over time.

Front

What is sediment?

Back

Sediment is the matter that settles to the bottom of a liquid.

Front

What does it mean when molecules have high attraction?

Back

High attraction means that the molecules are strongly drawn to each other, which can affect how they mix.

Front

What is the role of molecules in a mixture?

Back

Molecules in a mixture interact with each other, which can lead to different properties of the mixture.

Front

Can you give an example of a mixture that requires an emulsifier?

Back

An example is salad dressing, where oil and vinegar need an emulsifier to mix.

Front

What happens to a mixture when an emulsifier is added?

Back

The emulsifier helps the two liquids mix and stay mixed instead of separating.

Front

What is the difference between soluble and insoluble substances?

Back

Soluble substances can dissolve in a liquid, while insoluble substances cannot.

Front

What is a chemical reaction?

Back

A chemical reaction is a process where substances combine or break apart to form new substances.

Front

What does it mean for a mixture to be stable?

Back

A stable mixture is one that does not separate over time.