MCAT equations
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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}
Card Set Information
Author:
wiener123
ID:
299304
Filename:
MCAT equations
Updated:
2015-03-27 15:19:45
Tags:
MCAT
Folders:
MCAT
Description:
cafdklshuioghasf
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