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0C0S
0S00
0
( )n RCOOHC
V
00
( )( )
( )
m RCOOHn RCOOH
M RCOOH
0 ( )n RCOOH00
0
( )
( )
m RCOOHC
V M RCOOH
3
0 3
200.10
100.10 206C
3 1
0 9,7.10C molL
( ) 2 ( ) 3 ( )( )aq aq aqRCOOH H O RCOO H O
0 0C V
x x 0 0C V x x
fx fx 0 0 fC V x
fx
max
fx
x
3( )n H O xf
3 10 PHH O
3
3
0
n H OH O
V0
10 PHfx
V
0.10 PHf
x V
0 0 maxxC V
0
10 PH
C
3,17
3
10
9,7.10
0,07
1
rQ
3
r
H O RCOOQ
RCOOH
rQ0Vmaxx
3 éq eq
r
eq
H O RCOOQ
RCOOH
éqx x
3 eq éqn H O n RCOO x3
0
eq
eq eq
xH O RCOO
V
3
0
eqH O
C
3 0.eq eq
RCOO H O C
0 0eq eqn RCOOH C V x
00
eq
eq
xRCOOH C
V3
0
éq
eq
xH O
V0 3éq éq
RCOOH C H O
0 0éqRCOOH C C
0 (1 )éq
RCOOH C
,r éqQ2 2
0
0
, (1 )r éq
CQ
C
2
0
, (1 )r éq
CQ
0 0maxx C V
0
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V
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. .
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0.
(1 )
CK
3 29,7.10 (0,07)
0,07K
55.10K
2( ) ( ) ( )RCOOH aq HO aq RCOO aq H O
HOBV
.i B Bn HO C V31,8.10in HO mol
n ( H O-)= 1,8 10
-3 mol : n i ( HO
-) = 3,0.10
-2 60,0.10
-3
RCOOH
( )( )
i
m RCOOHn RCOOH
M RCOOH
4( ) 9,7.10in RCOOH mol
( )i in RCOOH n HO
HORCOOH
in HOHO3H O3( )in HO n H O
.i A AEn HO C V
2 31,0.10 .27,7.10in HO
42,77.10in HO mol
HOBV2 3 in HO n HO
4
2 3 2,77.10n HO4
2 8,31.10n HO mol
HORCOOH2in HO n HO n HO
3 41,8.10 8,31.10n HO
49,7.10n HO mol
4( ) 9,7.10n RCOOH n HO mol
( )( )
i
mn RCOOH
M RCOOH
( ). ( )m n RCOOH M RCOOH 49,7.10 .206m
0,1998m g
200m mg
----------------
–
24 24
11 11
A
ZNa Mg X
A = 0
- Z = 11+12Z = -1
-
0
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12
ln 2
t
ln 2
15 3600
51,28.10
1n1. 3t h
0 0t24
11 Na24
0 11 0 0.n Na C V -
0 0t24
0 0 11 AN n Na N -
24
0 11n Na0 0 0.N C V Na
1 3t h24
1 1 11 . AN n Na N -
1t1
10
tN N e
24
11 0 01. . .A Ai
tn Na N C V N e
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11 0 01/ 2
ln21
1 . .
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24
11
ln2.33 3 151
10 .5.10n Na e24 6
1 11 4.35.10n Na mol
1t
1 1.a N 24
1 1 11 . Aa n Na N
5 6 23
1 1,28.10 4,35.10 6,02.10a 13
1 3,35.10a Bq
pV
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1 5V L1 1' PV V V
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2 2 1 1 2Pn V n V nV2 1 1 2
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2,1.10PV
0,857PV L
857PV mL
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x(t) y(t)0G( , , )R O i j
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GP ma
Gmg ma
Ga g
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dVa
dt0xdV
dt
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( 0) Ax t x t = 0 2 AC x
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( ) 50 450 ( )x t t m
( , )O j
y ya gyg gya g
y
y
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ydVg
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3( 0)yV t C t = 0
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4 0C
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405
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0G
0Gx(t)y(t)
( ) 50 450x t t
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ty(t)
2 2( ) 450 202500 9005 5
50 2500
x t x xy
3 22.10 1,8 405 ( )y x x m
II
1G( , , )R O i j
P
f
ext GF ma
GP f ma
G
dva
dt
100f v
P mg
100dv
m g v mdt
. 100dv
mg j vj m jdt
100dv
mg v mdt
1500 100 150dv
vdt
1G( , , )R O i j 2
103
dvv
dt
limV
1
lim15. .V m s
v = cte
0dv
dt
V = f(t)
t = 0lim
Vv115 .v m s
1,5s
57,5s
4V4a
210
3i ia v
210
3
ii
dvv
dt
it1i i
i
v va
t
t
0,1t s
1i i iv v a t
4 3 3v v a t3 0,3t s
1
3 2,80 .v m s2
3 8,12 .a m s
3 2,80 8,12 0,1v1
4 3,61v ms
4 4
210
3a v
4
210 .3,61
3a
2
4 7,59v ms