Ch 27- Basic Balance
chemical buffer act to resist..
chemical buffer bind with this when pH drops
chemical buffer release H+ when pH rises
HY = H*+* + Y*-
*hydrogen and yttrium
Left (binding of H+)
in hydrogen and yttrium lots of H+ drives reaction to ____.
lots of ____. Hy releases H+ and drives reaction to ____.
Sodium Bicarbonate NaHCO3 (bicarbonate reserve)
HCO3 and NaHCO3
bicarbonate *buffer system* is a mixture of...
Bicarbonate buffer system
this is a major extra cellular fluid buffer
Bicarbonate reserve NaHCO3 with release ____ to bind H+
Bicarbonate acid H2CO3
remains intact in *neutral* or *acidic* conditions
fixed acids or organic acids in bicarbonate buffer system adds this
Intact; dissociates to tie up OH-
in the chemical buffer system; to form a strong base NaOH
NaHCO3 stays ______ and H2C03 ____.
Na+OH- + H2CO3 = NaHCO3 + H20
chemical buffer system add strong base chain
bicarb requires ___ repiration functions (limit)
Its own weak acid
bicarb cannot protect against ___ ____ ___ ___ (limit)
bicarb cannot buffer high or low ____
bicarb is limited to availability of ____ ____
removal H+ by blowing off ____ lose a ____. (ion formula only)