advChem

4. Properties Properties that depend on the number of solute particles, not their identity
5. Technique to determine concentration by reacting a solution with a known reagent
9. where forward and reverse reactions occur at equal rates
11. Delocalization of electrons across multiple structures
16. How easily an electron cloud can be distorted
20. Gain of electrons during a chemical reaction
21. Heat content of a system at constant pressure

1. Solution that resists changes in pH upon addition of small amounts of acid or base
2. Principle A system at equilibrium adjusts to counteract a disturbance
3. Affinity Energy change when an electron is added to a neutral atom
6. Substance that can act as both an acid and a base
7. Moment Measure of separation of positive and negative charges in a molecule
8. Mixing of atomic orbitals to form new hybrid orbitals
10. Energy Energy required to remove an electron from a gaseous atom
12. Measure of disorder or randomness in a system
13. Energy Energy released when ions form an ionic solid from gaseous ions
14. Substance that speeds up a chemical reaction without being consumed
15. Substance that accepts protons (H+) in solution
17. Loss of electrons during a chemical reaction
18. substance that donates protons (H+) in solution
19. Free Energy Determines spontaneity of a process at constant temperature and pressure