Semester 1 Exam Review pt. 2

Front

What is a heterogeneous mixture?

Back

A type of mixture where you can see the different parts and they can easily be separated into their different parts.

Front

What is the purpose of a catalyst in a chemical reaction?

Back

To speed up the reaction.

Front

What is a product in a chemical reaction?

Back

A substance that is formed as the result of a chemical reaction.

Front

What does a subscript in a chemical formula indicate?

Back

It tells us the number of atoms of each element in a compound.

Front

What is a homogeneous mixture?

Back

A type of mixture that you can't see the different parts.

Front

Define a mixture.

Back

A combination of two or more substances that retain their individual properties.

Front

What is the difference between a reactant and a product?

Back

Reactants are substances that start a chemical reaction, while products are substances formed as a result of the reaction.

Front

What is a chemical reaction?

Back

A process that involves the rearrangement of the molecular or ionic structure of a substance.

Front

What is the role of coefficients in a chemical equation?

Back

Coefficients indicate the number of molecules or moles of a substance involved in a reaction.

Front

What is an example of a heterogeneous mixture?

Back

Salad, where you can see and separate the different ingredients.