Review Chemical Reactions & Conservation of Matter

Front

What is the difference between CO and Co?

Back

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

Front

The law of conservation of energy states that energy CAN or CANNOT be created or destroyed.

Back

cannot

Front

What type of reaction is characterized by the release of energy?

Back

exothermic

Front

What type of reaction absorbs energy from its surroundings?

Back

endothermic

Front

How many total atoms make up the molecule glucose?

Back

24

Front

What is a chemical reaction?

Back

A process where substances (reactants) are transformed into new substances (products).

Front

What is the law of conservation of matter?

Back

Matter cannot be created or destroyed in a chemical reaction.

Front

What is an example of an exothermic reaction?

Back

Combustion of fuels, such as burning wood.

Front

What is an example of an endothermic reaction?

Back

Photosynthesis in plants.

Front

What are reactants in a chemical reaction?

Back

Substances that undergo change during a chemical reaction.