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Chem560B first exam

Terms

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ION
A PARTICLE THAT IS ELECTRICALLY CHARGED NEGATIVE (ANION) OR POSITVE (CATION)
IONIZE
TO CONVERT INTO IONS BY DISSASSOCIATION
ELECTRON
A STABLE PARTICLE WITH A NEGATIVE CHARGE
PROTON
A STABLE PARTICLE WITH A POSTITIVE CHARGE
BASAL METABOLIC RATE (BMR)
AMOUNT OF O2 NEEDED OR CONSUMED AT REST
EFFICIENT
THE USE OF ENERGY
2ND LAW OF THERMODYNAMICS
(change in)FREE ENERGY=(change in)ENTHALPY-TEMP(change in)ENTRAPY
FREE ENERGY = G
LEFTOVER FROM REACTIONS
MODULATES DISORDER
-DELTA G IS SPONTANEOUS, NEGATIVE BECAUSE LOSS OF ELECTRONS
ENTRAPY = S
DISORDER
RESULT OF NO ENERGY
THE MORE POSITIVE THE TERM +DELTA G, THE MORE DISORDER, BECASUE NOT SPONTANEOUS REACT
ENTHALPY = H
HEAT ENERGY
EXOTHERMIC
PREFERRED BY SYSTEM!
-delta G
LOSS OF ELECTRONS OR ENERGY
HEAT OUT=ENERGY OUT
ENDOTHERMIC
+delta G
HEAT IN = NO ENERGY OUT
POLAR
SHARING ELCTRONS
e- UNEVEN DISTRIBUTION
LIPID IS POLAR
PROTEIN IN NONPOLAR
TEMPERATURE = T
HIGHER TEMP = MORE DOSORDER
NOT RELEVANT TO HUMAN
H20 ABSORBS HEAT W/OUT CHANGING TEMP
POLARITY OF H2O
O SHARING e-
VERY ELECTRONEGATIVE
e- PULLED TOWARD O
KA = DISSOCIATION OF WATER
KA = OH-H / H20
MEASURES ACID STREGNTH
REMOVE A PROTON - TAKE ALL BUT PROTON
LOW KA = WEAK ACID
HYDRONIUM ION
THE H+ BONDED TO H30
POH
THE NEGATIVE LOARITHIM OF {HYDRONIUM ION}
POH + PH MUST = 14

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