Acids, Bases, and Buffers
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16 Terms
When there is too much change in pH, the enzymes change shape
Why do enzymes only work within a certain pH range?
They slow down or stop because enzymes are what speed up chemical reactions
What happens to chemical reactions when enzymes change shape?
pH measures…
How many hydrogen ions are in a solution
low pH=high H+
pH and H+ correlation
7
pH of water
pH of base
>7
pH of acid
<7
1000x because each decrease in pH is 10x greater in acidity
How many times more acidic is a pH of 3 than a pH of 6?
donor
Acid is a proton (H+)
Base is a proton (H+)
acceptor
OH-
Bases donate…
Hydroxide
OH-, oxygen atom bonded to hydrogen atom, results in negative charge because of difference in electronegativities
Buffers absorb H+
What do buffers do when the environment becomes to acidic?
Buffers release H+
What do buffers do when environment becomes too basic?
OH- ions (molecules)
Buffers do not release, but rather neutralize the amount of
Note 
Flashcards (35)