Chemical Reactions - BasicsC

Front

What is the difference between CO and Co?

Back

CO is the compound carbon monoxide and Co is the element cobalt.

Front

In the compound 2 CO, what does the '2' represent?

Back

The '2' represents how many CO molecules are present.

Front

In an exothermic reaction, where does the energy go?

Back

In an exothermic reaction, the energy goes to the surroundings.

Front

In an endothermic reaction, where does the energy come from?

Back

In an endothermic reaction, the energy comes from the surroundings.

Front

What do exothermic reactions do?

Back

Exothermic reactions release energy.

Front

What is a chemical reaction?

Back

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

Front

What is the law of conservation of mass?

Back

The law of conservation of mass states that mass is neither created nor destroyed in a chemical reaction.

Front

What is a reactant?

Back

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

Front

What is a product in a chemical reaction?

Back

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

Front

What is an example of an exothermic reaction?

Back

Combustion of fuels, such as burning wood or gasoline, is an example of an exothermic reaction.