Chapter 2.6: Acids and Bases Flashcards
1
Q
Define acid
A
any substance that dissociates in eater to increase the hydrogen ion (H+) concentration and thus lower the pH
2
Q
What is any substance that dissociates in eater to increase the hydrogen ion (H+) concentration and thus lower the pH?
A
acid
3
Q
Define base
A
any substance that dissociates in water to absorb and therefore decrease the hydrogen ion (H+) concentration and thus raise the pH
4
Q
What is any substance that dissociates in water to absorb and therefore decrease the hydrogen ion (H+) concentration and thus raise the pH?
A
base
5
Q
Define buffer
A
a substance that resists changes in pH
6
Q
What is a substance that resists changes in pH?
A
buffer
7
Q
How doe a buffer work?
A
It releases hydrogen ions (H+) when a base is added and absorbs H+ when an acid is added.
