ChemCom Semester 1 Final 24/25

Front

What type of radiation is released from a microwave?

Back

Non Ionizing Radiation

Front

Is the following equation balanced? 4Fe + 3O2 --> 2Fe2O3

Back

Yes

Front

What law governs the balancing of chemical equations?

Back

Law of Conservation of Matter/Mass

Front

Nuclear power uses ____ for fuel.

Back

Uranium

Front

What makes something radioactive?

Back

An unstable nucleus

Front

Define Ionizing Radiation.

Back

Radiation that carries enough energy to liberate electrons from atoms or molecules, thereby ionizing them.

Front

What is the Law of Conservation of Mass?

Back

In a closed system, mass is neither created nor destroyed during a chemical reaction.

Front

What is a chemical equation?

Back

A symbolic representation of a chemical reaction, showing the reactants and products.

Front

What is the difference between a reactant and a product?

Back

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

Front

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

Back

A catalyst speeds up a chemical reaction without being consumed in the process.