Energy Section 2 Unit 2 Flashcards
1
Q
Free energy
A
The energy in a system that is available for work
2
Q
States of matter
A
Solid liquid gas
3
Q
Exergonic reactions
A
Chemical reactions that involve a net release of free energy
4
Q
Endergonic reactions
A
Reactions that involve a net absorption of free energy
5
Q
Activation energy
A
The amount of energy needed to start a reaction
6
Q
Catalysts
A
Reduce the amount of activation energy that is needed for a reaction
7
Q
Enzymes
A
An important class of catalysts in living things. A single organism may have thousands of different enzymes, each one tailor made for a different chemical reaction
8
Q
Energy
A
The ability to do work or cause change
