7/25/2019 Bac2013M_B

1/5

1

2013

www.guezouri.org

---------------------------------------))3,5

1-

(2 3 11 1 0 AZH H X n+ = +

:5 1 4A = =

2Z=..)2-

) .: .: .

:( ) 2l p n X E Zm A Z m m c = +

( )) [ ]2 1,00728 2 1,00866 4,0015 931,5 28,30lE X Me V= + =( ) 28,30

7,074

lE XeV

A= =

( ) [ ]3 1 1,00728 2 1,00866 3,01550 931,5 8,47

lE H MeV= + =

( )3 8,472,82

3

lE HeV

A= =

( ) [ ]2 1 1,00728 1 1,00866 2,01355 931,5 2,22lE H MeV= + =( )2 2,22

1,112

lE HeV

A= =

lE

A

3-

)) ) ( )2 1 28,3 10,69 17,61li bE E E E Me V= = + = + =

): ) ( ) ( )2 31 1 28,30 2,22 8,47 17,61Alib l Z l l E E X E H E H Me V= = =

)2H:

( )

2 23 2316,02 1 0 3 10

2

N H =

3H:( )3 23 231,56,02 10 3 10

3N H =

:23 24' 3 10 17,61 5,28 10li bE MeV= =

)3,5

(-------------------------------------------------------------------------------------------------------------------

= +:R bu u E-1di

Ri ri L Edt

+ + =( ) di

R r i L Edt

+ + =.

RuiR

=

:( )R

R

R rdu REu

dt L L

++ =)1(

2-

( )1 A tR Bu A e= :A tRdu B

dte=

)1: (( )1A t A tR r B REBL A L

e e +

+ =

11A t R r R r B RE

BL A L A L

e + + + =

:

11 0

R r

L A

+ =

R r

AL

+=

R r B RE

L A L

+ =

RE

BL

=

:

A

B.

. B:A .

2 31 1

AZH H X

GUEZOURI Aek , Lyce Maraval OranSite : www.guezouri.org , e-mail : guezouria@gmail.com

Tl : 07 73 34 31 76

7/25/2019 Bac2013M_B

2/5

2

3-) ): (

BY) bu)2. (

Y RuINV

) .)1Ru

:

0t=0i=)(Ru Ri=

)1(.Ru

0Ru=0t = +R bu u E=

.bu))2=bu E

(

)2: (5 2 10E V= =

)1: (4,5 2 9RU V= =09

0,190

I A= =.

010 9 1bU V rI = = = 1

100,1

r= = .

4-

(

1

t

REu R e

R r

= +

t

bEu r Re

R r

= + +

LR r

=+

:1c ct t

E Er Re R e

R r R r

+ = + +

1c ct t

r Re R e

+ =

2Rect

R r

= 2

lnct R

R r=

2

ln

ct

R

R r

=

)2(

:( )L R r) = + 10ms=3100 10 10 1L H= =

:

)2(

8ct ms=:8 10180

ln80

ms=

--------------------------------------------------------------------------------------------------------------------))3,51-

7/25/2019 Bac2013M_B

3/5

3

2- : .

) :P f ma+ =

.)3(

Oz:P f ma =2 dv

mg kv mdt

=2dv k

vdt m

=

:21

dv kv

dt mg

=

2

1k

mg 2=

2

11

dvg v

dt

=

.

mg

k=.

) 0dv

dtl=

mgv

k=)3(

.-34

(

:

10 4 40 /lv m s= =

:

)1 40 /lv m s=)144 /km h(.

)2 20 340

6400 /6,25 10

a m s

= =

.12 g

512800f N= .

51

. .3

([ ] [ ] [ ][ ][ ]

[ ] [ ][ ][ ]

21

2 22

f M L Tk M L

v L T

= = =

k /kg m.

) :)32

80 9,80,49 /

1600l

mgk kg m

v

= = =

-------------------------------------------------------------------------------------------------------------------------))3 1

(3 2 3 3CH COOH H O CH COO H O ++ = +

(

)1: (

3 3q q q

qm a a

H O V H Ox

x C V C

+ +

= = =

)10

0,0158pH

aC

=3,8

210 10 /0,0158

aC mol L

= =

2-) .)2:)

(

:( )18 ; 8,2E mL

:[ ]8 ; 8,2EpH .

:a a b bE C V C V =

2210 18 1,0 10 /

18

b bEa

a

C VC mol L

V

= = =

3

)[ ]

( )3

3

10 ApH pK

CH COO

CH COOH

=

92

bEV mL=)(:

( )3 3/ 4,8ApK CH COOH CH COO pH = =[ ]

3 0

3

10 1CH COO

CH COOH

= =.

3 2 3 3CH COOH H O CH COO H O ++ = +

00aC V

x//aC V x

qqx//a qC V x

mxm//a mC V x

3 3 2CH COOH OH CH COO H O + = +

02

bEb

VCa aC V

//x2

bEb

VC xa aC V x

//q2

bEb q

VC xa a qC V x

//m2

bEb m

VC xa a mC V x

( )1

( )2

P

z

O

-3

f

7/25/2019 Bac2013M_B

4/5

4

([ ]

3

3

2bE

a

a a a a

a bE

x

VVCH COO x

C V xCH COOH C V x

V V

+ = =

+

1a a

x

C V x=

2 31

10 18 10

x

x =

59 10 mol=

.

)5

2 3

9 101

10 9 10

2

ff

bEmb

x x

VxC

= = = =

.

--------------------------------------------------------------------------------------------------------------------))3

-1 .)(

:-22v

a nr

=

)1(

.+ =Tr R h

3 :

/T S SF m a=

:

2

T SS

M mm a G n

r=

2

TGMa nr

=

)2(

))2))12

2

Tv Gr r

=TGM

vr

=

-4 2

S

rT

v

:=

2 2 2 32 4 4

ST T

r rT

GM GM

r

= =)3(

5-

: 2

3

ST

r

3

ST

r.

65 .

))32 2

3

4S

T

T

GMr

=)4(

( ) 3 56400 700 10 71 10r m= + = : 24

1,65 594014,55

ST h s= = =

( )

( )

2214 2 3

3 35

59409,86 10 .

71 10

ST s mr

= =

.

6 ) :)4:2

14 49,86 10TGM

=

246 10T kg= .

T

S

a

n

2

2

pH

( )bV mL 9

4,8

18

8,2

GUEZOURI Aek , Lyce Maraval Oran

Site : www.guezouri.org , e-mail : guezouria@gmail.com

Tl : 07 73 34 31 76

7/25/2019 Bac2013M_B

5/5

5

))3 :-12-

8t) semaines= :

1 30 C = :1,87 /ClO mol L =

2 40 C = :1,30 /ClO mol L =

(

:

1L

.

( )1 dx

v tV dt

:=2,75 2 2

2,75V x

ClO xV V

= =

)1(

( ):))12

2d C lO dx

v tdt V dt

= = ( )

1

2

d C lOv t

dt

=

(( )12 1 11 2,75 6,87 10 .

2 20v mol L semaine

= =

( )21 1 11 2,75 1,29 10 .

2 10,66v mol L semaine

= =

(

)2-(

ClO

1 30 C =

)2

(

ClO

2 40 C = . .

...: .

3 ClO

.

)2(/1 2 7,35t semaines=.

4 .))2Cl

)3. (

: .

-22 2 +ClO Cl O

=

2,75V0

x2,75 2

m2,75 2 mx

( )/ClO mol L

( )t semaines

0,5

4 2010,66

30 C

40 C

2,75

)1(

)2(

1,37

7,35