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Unformatted text preview: .12 The Mole Concept What is a Mole?
Not a furry rodent with poor eyesight
One mole (mol) = 6.02 X 1023
You can have one mole of anything
expressed as mol/L
1 millimol/L (mM) = 0.001 moles in 1 L of solution
1 micromol/L (µ M)= 0.000001 moles in 1 L
Other ways of expressing concentration
mg of glucose /100 mL blood = mg of glucose /dL blood = mg%
g/100 mL blood = g/dl = g%
mEq K/100 mL (mmol/L of charges) The Mole Concept .13 The concentration of a chemical determines:
– the extent to which the chemical diffuses across a membrane
– the extent to which the chemical participates in chemical reactions The "Law of Mass Action"
If there is lots of A & B: A + B C + D If there is lots of C & D:
A + B C + D Enzymes 4.14
– What are Enzymes? What do they do?
– proteins – regulate the speed of reactions – do not make reactions occur How Awesome are Enzymes?
– They increase rxn rates by at least a million times – Carbonic Anhydrase
H2CO3 > CO2 + H2O speeds up the rxn by 10,000,000 times
dehydrates 105 molecules of H2CO3 in one second .15 Enzymes...
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This note was uploaded on 01/20/2014 for the course KIN 3515 taught by Professor Nelson during the Fall '09 term at LSU.
- Fall '09