Chapter Five, Lesson Three: Controlling Chemical Reactions Flashcards
1
Q
activation energy
A
Activation energy is the minimum amount of energy needed to start a chemical reaction.
2
Q
concentration
A
Concentration is the amount of a substance in a given volume.
3
Q
catalyst
A
A catalyst increases the reaction rate by lowering the activation energy needed.
4
Q
enzymes
A
The cells in your body contain thousands of biological catalysts called enzymes that help reactions occur at body temperature.
5
Q
inhibitor
A
A material used to decrease the rate of a chemical reaction is an inhibitor.
