Semester Review 2024

Front

How many elements are in glucose, C6H12O6?

Back

3 (Carbon, Hydrogen, Oxygen)

Front

What is the chemical formula for sodium sulfate?

Back

Na2SO4

Front

How many sulfur atoms are in the formula for sodium sulfate, Na2SO4?

Back

1

Front

What type of change occurs when a substance dissolves?

Back

Physical change

Front

Which Newton's Law explains why a lighter motorcycle takes less time to stop?

Back

Newton's 2nd Law

Front

What happens to the total mass of any chemical reaction as the reaction takes place?

Back

The total mass remains the same.

Front

Define a chemical change.

Back

A process where substances combine or break apart to form new substances.

Front

Define a physical change.

Back

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

Front

What is the law of conservation of mass?

Back

Mass is neither created nor destroyed in a chemical reaction.

Front

What is an example of a physical change?

Back

Melting ice.