le chatelier’s principle “if a system in equilibrium is subjected to a stress, a change that...
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Le Chatelier’s Principle
“If a system in equilibrium is subjected to a stress, a change that will offset the stress will
occur in the system.”
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Le Chatelier’s Principle
“If a ‘stress’ is applied to a system in equilibrium,
the equilibrium condition is upset; a net reaction occurs in that direction
which tends to relieve the ‘stress,’ and a new equilibrium is obtained.”
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In equilibrium
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Addition to the equilibrium
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Out of Equilibrium
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Return to equilibrium
Addition to
Equilibrium state
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New Change
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New Equilibrium
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Bicarbonate & Carbonic Acid
H+ HCO3- H2CO3
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New Equilibrium
H+ HCO3- H2CO3
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H2O + CO2 H+ + HCO3
-
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H2O + CO2 H+ + HCO3
-
In ECF around
cells
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H2O + CO2 H+ + HCO3
-
high highIn ECF around
cells
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H2O + CO2 H+ + HCO3
-
New equilibrium in ECF/ blood
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H2O + CO2 H+ + HCO3
-
Moderate levels moderate levels
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H2O + CO2 H+ + HCO3
-
Breathe outIn the lungs
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H2O + CO2 H+ + HCO3
-
In the lungsEquilibrium correcting
itself
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H2O + CO2 H+ + HCO3
-
In the lungs
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H2O + CO2 H+ + HCO3
-
Breathe outIn the lungs
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H2O + CO2 H+ + HCO3
-
Equilibrium correcting itself
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H2O + CO2 H+ + HCO3
-
New Equilibrium in the lungs and
ECF
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H2O + CO2 H+ + HCO3
-
In the blood again