2425 cba review

Front

What is a pure substance?

Back

A material that has a constant composition and consistent properties throughout. Examples include elements and compounds.

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What is a mixture?

Back

A combination of two or more substances that are not chemically bonded and can be separated by physical means.

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What is a physical property?

Back

A characteristic of a substance that can be observed or measured without changing its identity, such as density, color, or melting point.

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What is density?

Back

The mass of a substance divided by its volume, often expressed in grams per cubic centimeter (g/cm³).

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What are balanced forces?

Back

Forces that are equal in size and opposite in direction, resulting in no change in motion.

Front

What is an example of balanced forces?

Back

A book resting on a table, where the force of gravity is balanced by the normal force from the table.

Front

What is a base?

Back

A substance that increases the concentration of hydroxide ions (OH-) in a solution.

Front

What is the definition of acceleration?

Back

The rate of change of velocity of an object, which can be a change in speed or direction.

Front

What is the formula for acceleration?

Back

Acceleration (a) = (Final Velocity (v_f) - Initial Velocity (v_i)) / Time (t).

Front

What is a chemical property?

Back

A characteristic of a substance that can only be observed during a chemical reaction, such as reactivity or flammability.