Unit 01 Flashcard 02

Front

TRUE OR FALSE: In any specific type of matter there is more energy contained in the atoms or molecules in the gas phase compared to the solid phase.

Back

True

Front

What is an example of a heterogeneous mixture?

Back

Italian salad dressing

Front

If a mixture is uniform in composition, it is said to be _______. This type looks the same throughout.

Back

homogeneous

Front

Which of the following is not a chemical change? Rusting, Melting, Combining baking soda and vinegar, Burning.

Back

Melting

Front

Color change, formation of a precipitate, gas production, and heat or light released or absorbed are the four ways to indicate that a ______________ change took place.

Back

Chemical

Front

Define heterogeneous mixture.

Back

A mixture that consists of visibly different substances or phases.

Front

Define homogeneous mixture.

Back

A mixture that has a uniform composition throughout.

Front

What is a physical change?

Back

A change that affects one or more physical properties of a substance without altering its chemical composition.

Front

What is a chemical change?

Back

A change that results in the formation of new chemical substances.

Front

Give an example of a physical change.

Back

Melting ice.