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Na + Cl
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Sc
21
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Ti
22
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23
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Cr
24
3d54s1
Mn
25
3d54s2
Fe
26
3d64s2
Co
27
7
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2Ca + O2
!
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30
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ZnS
#
!
#
%
!
#
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#
!
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4.8 10-10(esu) · d(cm)
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weight
number _ of _ atoms
A .W ( or _ M .W )
NA
#
#
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4.8D=4.8·10-18esu· cm=1.610-29c· m
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Debay
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1.44·1020
1.44·1013
23.06
1
2.86·10-3
!
i "
!
F
eV
6.24·1018
6.24·1011
1
4.34·10-2
1.24·10-4
1 cal = 4.184 J
!
4"
#
erg
107
1
1.6·10-12
6.95·10-14
1.99·10-16
k
1 nm = 10-9 m
$
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1
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1.6·10-19
6.95·10-21
1.99·10-23
erg
mole
!
ms * +1/2, -1/2
!
62.33
k
7
lit mmHg
1 L · atm = 24.2 cal = 101.3 J
ml = -l, ...,0, ...+l
2l+1 (
F2
%
joul
mole
8.31 * 10
k
1 Å = 10-10 m = 10-8 cm
" ml
(
!
8.313
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14.4
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charges on Xe
r
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82.1
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h
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!
#
(
mole
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1 erg =
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1 kcal/mole =
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(
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[Na]+[ Cl ]-
liter atm
cal
1.98
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C
e
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0.082
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)
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4 kme2
R
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8 mL2
# '
i
M.K.S
3·108 m/sec
1.6·10-19 c
9.1·10-31 Kg
1.67·10-27 Kg
6.63·10-27 erg·sec 6.63·10-34 J·sec
2.18·10-11 erg
2.18·10-18J
6.02·1023 1/mole
8.98 109
Nm2/c2
a0
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2
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!
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1
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4.8·10-10 e.s.u
9.1·10-28 g
1.67·10-24 g
III
0.05292 nm 0.5
IV
rn
n2
a0 ,n 1,2 ,3.....
z
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RH
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n"
n"
RH
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-11
-1
15
-1
erg = 109678 cm = 3.29 10 sec = 13.6 ev
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1.98
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pH = -log[H+]
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#
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#
# ,#
#
#
Na, Cu, Fe
Ka = [H+] [A-] / [HA]
Kb = [B+] [OH-] / [BOH]
Ka · Kb = Kw = 10-14
#
#
pH = 7 "
#
pKa + pKb = pKw = 14
"$
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62.33
k
#
%
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joul
mole
8.31 * 10
k
"M
H+ + OH"
pKw = -log Kw = 14
pH > 7
mole
!
Pi
ni
Xi
Ptot ntot
pH + pOH = pKw = 14
# pH < 7
8.313
k
PV
8 * 1/8 + 6 * 1/2 = 4
#
%
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pH "
pOH = -log[OH-]
mole
cm3 atm
82.1
k
cal
#
#
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#
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#
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liter atm
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#
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molar, M=mol/liter
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R=8.314 J/mole #K = 1.98 cal/ mole #K " !
!
# ( C
#
#
)
H
H# , G# , S# # "
cC + dD
$
#
#
#
:
"
"
!
!
#
"
#
2SO2 + O2
SO3
)."
! (
2SO3
p(800K)=850.4 atm-1
Kp(1000K)=2.3 atm-1
5
$ 6 SO2
#
#
/&
$' ' #
$'''K "
#
5
(
#
#
5
&
,#
300K " 200K "
#
Cp=5/2 R
Joule
n = 1 mol , T = 100 K , P = 2 atm , Cp = (5/2) R ,
!
H
#
!
#
E W Q
#
#
H, E,W,Q = ?
#
H = Cp T = (5/2) R T = (5/2) * 8.314 * 100 = 2078.5 J/mol
##
a
a
r
#
SC " $
FCC " &
BCC " /
!
!
%
W = -P V
PV = nTR ' (PV) = (nRT) ' P( V) = nR( T)
2 atm V = 1 mol * 0.082 lit atm/mol K * 100 K ' V = 4.1 lit
!#
*
#
–
#
#
!
#
!
&
#
! !
a
2
W = -P V = -2 atm * 4.1 lit = -8.2 lit atm = -828.2 J < 0
1 lit atm = 101 J
r
H = E + P V ' E = H – P V = 2078.5-828.2 = 1250.3 J
E = Q + W ' Q = E – W = H – P V - (-P V) = H
Q = H = 2078.5 J/mol
a
CaC2 ( $
CaO (s) + 3C (s) CaC2 (s) + CO (g)
Hf (kcal/mol)
"$7$ 8
CaO (s)
CaC2 (s)
-$7 '
CO (g)
-26.4
4 3 4
V
r
3
3
a 3
2
1
1
8
#
8
a3 *
#
#
#
##
* a3
#2 *
a& 3
5#
Hm = 6010 J/mol 0.917 gr/ cm3
Ksp = 3.7*10 15
OH- "
5 Al ( OH )3
!
!
[ AL3 ] 0.5 M , K sp ( Al ( OH )3 ) 3.75*10 15 [ Al 3 ][ OH ]3
Al ( OH )3 #
#
[ OH ]
AgCl "
!
AgX
"
%
0.1M !
#
#
!
K sp
[ Al 3 ]
" !
1/ 3
a
1.95*10 5 M
2 C2H2 + 5O2 (g)
4CO2 (g) + 2H2O (l)
b C (s) + O2 (g)
CO2 (g)
c 2H2 (g) + O2 (g)
2H2O (g)
d H2O (l) H2O (g)
AgCl "
#
Ksp (AgCl) = 2.8*10 10
Cl- " X#
Ag+ %
5
2C(s) + H2(g)
-a/2
2b
c/2
-d
C2H2(g)
a 2
a3
2
2
a 2
H=?
H# (kJ/mol)
-2600
-393
-484
44
a3 2
4
3
H=?
,# /''K
H2(g)
!
&-''K "
2H(g)
H(g)
8
#
a 3 r 2r r 4r ' r
3
a
4
a 3
4
3
r 3 a3 2
3
4
3
3
4
3
a3
##
a& 3
100
31.98%
1
6
8
1
2
4
# !#
!
#
9
9
9
H2 !
#
4
4
3
#
# ,#
#
&
Fec
V #
8 /6 " ,#
a2
3
4
#
4 3
r
3
a& 3
2CO2(g) + H2O(l)
C2H2(g) + 2SO2(g) 2600/2
2C(s) + 2O2(g)
2CO2(g)
-393*2
H2(g) + ½O2(g)
H2O(g)
-484/2
H2O(g)
H2O(l)
-44
228 kJ/mol
$
a
a
#
C2H2 (g)
!
a
a& 3 2
#
1.2*10 5 M
AgX #
OH
!
2C (s) + H2 (g)
100 47.6%
#
E = Hm – P V
!
#
$
V #
$L = 0.9998 g/cm3 ' VL = W/$L = 18/0.9998 = 18.0036 cm3
$S = 0.917 g/cm3 ' VS = W/$S = 18/0.917 = 19.6292 cm3
V = VL – VS = -1.62563 cm3/mol = -1.62563*10-3 lit/mol
E = Hm – P V = 6010 J/mol + 1 atm *1.62563*10-3 lit/mol *101 J/atm lit
= 6010.164 J/mol
Al ( OH )3 ( Al 3 ( aq ) 3 OH ( aq )
#
# #
a3 3
a 1
6
6
gr/cm3
#
0#C
0.5M Al3
#
6
bcc %
1
1 2
8
8
Al ( OH )3 ( Al 3 ( aq ) 3 OH ( aq )
*
#
n = W/Mw = 1000/(40+2*12) = 15.625 mol
Hf (1 kg) = 110.5 * 15.625 = 1726.6 kcal
Hm = E + P V '
#
#
a& 3 1
Hf = [ Hf(CaC2) + Hf(CO)] - [ Hf(CaO) + Hf(C)]
=(-15 -26.4)-(-151.9 +0) = 110.5 kcal/mol
0.9998 !
a3
6
r3
)
#
a3
#
r
2
a
4
a3 4
#2*
!
#
#
# #
!#
a 2 4r
4 3
r
3
3
a
#
4
a& 3 4
3
100
a& 2
4
3
100 25.95%
a& 3
#
5% !
a1
4r
2
a2
N 4
bcc
4& r&
r2
a1
2a2
a2
a1
2r2
3
4
r
3
N 2
fcc
3
4& r&
1.63 '
1
2
$ 6/
3
2r2
0.612
#
5Ka
3.5 "
( 100 " NaA #
0.1M HA
0.02
#
#
pH"
pH
pH"
1.6M HClO4 ( 300 " %
NaOH
5
#
5 9.5
"
#
Na2SO4 10-3M
1.8·10-8
#
5 (Ka = 1.8·10-5) 0.25M
10-5 Kb
BOH
#
#
pH "
pH "
M
#
PbSO4
"
Pb(NO3)2 0.10M
' '7M HCl ( 100
!
PbSO4
( 100
NaOH 0.2M
pH "
#
0.7M
#
%
0.15M !
H2SO4
#
0.5M KOH
0.05M Ba(OH)2
(
( 30
( 300
HNO3:
.. ..
O
..
.. xx
.x
H x .O
.. Nxx..
..O..
NH4+:
[
H
X.
X
.
H X N:
. XH
X
H
]
#
+
MgCl2:
N2
CO
N2O
HCl
MgCl2
HNO3
PBr3
Cl2O
ONCl
NaCl
NH4+
H2SO4
CO32-
CH2O
CO2
..
..
..O.. .. ...xH
..
.O
xx x
S
..xx x .O...
..O.. .. xH
CO2:
#
#
xx
xx
xx
xx
..
: Cl . xH
..
HCl:
#
!
..
..O
..
-
O xx :C: xxO
.. XX
.
: Cl
.. XO X
Cl2O:
#
#
N2O4
#
XX
O xx
..
O:
..
CH2O:
xx
..
N x. N
..
xx
..
Oxxxx
O
..
xx
..
[ N
O
N
O
O
]
[ N
O
O
N
O
O
]
[ N
O
O
OCN-
N
XX
H
O
O
]
[ N
O
O
C
.. N
.. ]
[ :O
. XC X
.
H
O
N
ONCl:
]
XXX ..
OX :N
XX
O
..
. .Cl :
..
!
.x
:N: xx N
N2O
..
[ :O
..
.Cl :
..
xx
xx
O
-
+
.
[:Cl
.. x ] [ Na ]
NaCl:
H2SO4:
..
++ . : ]
[ : Cl
.. .x] [Mg ] [x Cl
..
C
.. N:
.. ]
..
[ :O..
C
N: ]
-
..
CsBr:
x
x
..
O:
..
-
+
.x
[:Br
.. ] [ Cs ]
PBr3:
..
..
:Br:
. :Br:
.
X
X
P X.
XX
:Br:
..
CO:
x x
xC x
::O:
CO3-2:
[
..
O:
..
]
XX
.. . XC X . ..
O
:O
.. :
..
[
.
N2:
[
-2
..
:O:
.
X
XX
..
:O
..
.
:N:
.
C X . ..
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.. :
.
:N:
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.
X
.. . XC XX.. ..
O
:O
..
..
]
-2
]
-2
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