Chemical Reactions Flashcard

Front

What are the signs of a chemical reaction?

Back

Formation of a precipitate, release of gas, change in color, production of heat or light, formation of a new substance.

Front

What must be done to this equation for it to be balanced?

Back

No change; it's balanced as is.

Front

Which type of reaction involves the breakdown of a reactant into simpler products?

Back

Decomposition.

Front

Is a drop of water landing on a piece of Rubidium showing a chemical reaction?

Back

Yes.

Front

What is the purpose of balancing coefficients in a chemical equation?

Back

To ensure the law of conservation of mass is obeyed.

Front

What is a chemical reaction?

Back

A process that leads to the transformation of one set of chemical substances to another.

Front

What is a reactant?

Back

A substance that takes part in and undergoes change during a reaction.

Front

What is a product in a chemical reaction?

Back

The substances that are formed as a result of a chemical reaction.

Front

What is the law of conservation of mass?

Back

Mass is neither created nor destroyed in a chemical reaction.

Front

What is a precipitate?

Back

A solid that forms and settles out of a liquid mixture during a chemical reaction.