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Saturation Kinetics
v=(v
max
[S])/K
m
+ [S]
*at 1/2 v
max,
[S]=k
m
Hardy-Weinberg equilibrium
p
2
+2pq+q
2
=1
p+q=1
p=freq. of dom. allele
q=freq. of rec. allele
p
2
=freq. of dom homo
2pq=freq. of hetero
q
2
=freq. of rec. homo
Moles
mass of sample/molar mass
Energy of electron
E=-R
H
/n
2
Electromagnetic energy of photons
E=hc/λ
constant-volume and pressure calorimetry
q=mcΔT
q=heat absorbed or released
m=mass
ΔT=change in temp.
Standard heat of reaction(ΔH
°
f
)
ΔH
rxn
=(sum of ΔH
f
of products) - (sum of ΔH
f
of reactants)
Bond enthalpy
ΔH
rxn
=ΣΔH
bonds broken
-ΣΔH
bonds formed
Entropy(S)
ΔS
universe
=ΔS
system
+ΔS
surroundings
Gibbs free energy(G)
ΔG=ΔH-TΔS
*negative G=spontaneous
*pos. G = nonspontaneous
*G=0 means equilirbrium and ΔH=TΔS
Boyles Law
PV=k or P
1
V
1
=P
2
V
2
Charles Law
V1/T1=V2/T2
Gay-Lussac's Law
P
1
/T
1
=P
2
/T
1
Avagadros principle
n/V=k
Combined Gas Law
P
1
V
1
/T
1
=P
2
V
2
/T
2
Ideal Gas Law
PV=nRT
Van der Waals equation of state
(P+(n
2
a)/V
2
)(V-nb)=nRT
a=intermolecular attraction
b=volume of gas particles themselves
Daltons Law of partial pressure
P
T
=P
A
+P
B
+P
C
P
A
=P
T
X
A
*
X
A
=(moles of A)/(total moles)
average molecular speeds
K=.5mv
2
=3/2k
b
T
Root-mean-squared speed
u
rms
=sqrt(3RT/M)
Osmotic Pressure
Π=MRT
%comp by mass
Mass of solute/mass of solution X 100%
Molarity
# of mol of solute/liter of solution
Molality
# of mol of solute/ kg of solvent
Normality
# of grams of equivalent weights of solute/liter of solution
pH
pH=-log[H
+
]=log(1/H+)
H
2
O (l) ⇔H
+
(aq) + OH
-
(aq)
k
w
=[H+][OH-]=10
-14
Henderson-Hasselbach equation
pH=pK
a
+log([conj base]/[weak acid])
Standard electromotive force (emf)
emf=E
red,cathode
-E
red,anode
Gibbs free energy (electrochemistry)
deltaG=-nFE
cell
Equations of Liner Motion
v=v0+at
x=v0t+.5at2
v2=
V0
2
+ 2ax
Newtons Law of Gravitation
F=Gm
1
m
2
/r
2
Uniform Circular motion
a
c
=v
2
/r
F
c
=mv
2
/r
Power
W/delta t
Kinetic energy
K=.5mv
2
Author
wiener123
ID
299304
Card Set
MCAT equations
Description
cafdklshuioghasf
Updated
2015-03-27T15:19:45Z
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