Entropy Flashcards
1
Q
What is entropy?
A
Measure of disorder
2
Q
What happens when energy leaves system in exothermic reaction?
A
Entropy of surroundings increases
3
Q
What is the symbol for entropy?
A
S
4
Q
What happens to entropy when changing state from solid to liquid and gas and why?
A
Increases because particles become more disordered
5
Q
What can lattice enthalpy be calculated theoretically using?
A
Perfect ionic model
6
Q
What does the perfect ionic model state?
A
Ions are perfect spheres
No covalent character
