25 02 20114

1 / 9 : ( 13 ) 1 : ( 1.75 ) 2 : ( 1.75 ) 3 : RL RLC ( 9.5 ) ( 7 ) 1 : ( 2 ) 2 : ( 5 ) Abdelatif Chandi_Lyce ouededdahab_Tiflet 2 / 9 0.5 0.5 0.75 1 . . . : . v g h = g h . . . - 1 .

1 ) - 2 . T .2 ) P E ( ) 1000km . P E h=4000m .3 ) . . ( - 3 - ) . d=3000m H=36000km . . : 111500 . v m s= 8 13.10 c ms= Abdelatif Chandi_Lyce ouededdahab_Tiflet - 3 - 3 / 9 2 404019K 404018Ar 9121,3.10 t annes = . 40 40 . . .1 ) 40 .2 ) .3 ) 40.4 ) 12,98 m mg = 40 328,6.10 m mg= 40 . . : 1( ) ( ) 40 . MK MAr g mol= = 23 16,02.10AN mol=3 C L r . . : - 1 .- GBF . 1 2u u u = + ( ) i t .1 ) u2.2 ) u :diu Ldt= 0R .3 ) R0 :010 R = O r . Abdelatif Chandi_Lyce ouededdahab_Tiflet 0.25 0.25 0.25 1 0.25 0.5 0.25 - 1 - GBF 1 2 - 2 - 4 ) - 2 - - 2 .- L . 172 R = O - 3.- 0 t = ( ) ( 1 ) 5 t ms = ( 2 ) . cu - 4 -

1 ) ( 1 )1 - 1 - cu .1 - 2 - : (1 )tcu E e t= .1 - 3 - - 4 - C ' 1 R k = O .2 ) ( 2 )2 - 1 - cu .2 - 2 - 2 - 3 - 2 - 4 - 0T T L . - 4 - 2 - 5 - 1E 2E RLC 1t 2t :( )2 121R t ttLEeE= tR L . r . - 3 - .Abdelatif Chandi_Lyce ouededdahab_Tiflet 0.5 0.25 0.25 0.5 0.5 0.25 0.25 0.5 0.5 4 / 9 - 3 - - 4 - 0.25 1.25 0.5 0.5 0.5 0.5 0.25 0.5 : - 5 . - I=6,7mA - 6 - Aq .1 ) Aq .2 ) :20cos( )A mTq Q tt = + . mQ 0T . 3 ) - 7 - LE 2q .3 - 1 - LE q C E LC .3 - 2 - L C .4 ) t 5 i mA = cu . GBF RLC 1 L H = 10 r = O C 0R . U = . 1R - 8 - I N .1 ) .2 ) C .3 ) Z RLC 1R . Abdelatif Chandi_Lyce ouededdahab_Tiflet 5 / 9 - 5 - - 6 - - 7 -

4 ) 160 N Hz = ' C ( ) u t RLC ( )Ru t - 9 .-4 - 1 - A ( ) u t ( ) i t . 4 - 2 - 1Y 2Y .

1 t=0 22( ) aqH O 1100 V mL = 2 114,6.10 . C mol L = ( ) ( )( )aq aqK I+ + 2100 V mL = 120,20 . C mol L= 3 ( ) aqH O+. Abdelatif Chandi_Lyce ouededdahab_Tiflet 0.25 0.5 6 / 9 - 8 - - 9 - :2 ( ) ( ) 2 ( ) 2( )2( )2 2 2aq aq l aqaqH O I H H O I ++ + + 2( ) aqI 20 v mL = . - 1 - .1 ) / 2 ) 22( ) aqH O .3 ) 4 ) . 10 t = 215min t = . 1D 2D 1t 2t . 5 ) ( ) aqI 215min t =.2 :1 ) 6 5CH COOH 5.10-46,7.10-410-32.10-32,5.10-35.10-310-2C(mol.L-1)52,1 61.7 81,3 115 132 189 273,4 (S.cm-1)1 - 1 - .Abdelatif Chandi_Lyce ouededdahab_Tiflet 0.5 0.25 0.25 0.5 0.5 0.25 7 / 9 D1D2t 0.5 0.5 0.75 1 1.25 0.75 1 - 2 - AK :22. . .A AK KC Co oo o = + o.1 - 3 - - 2 - 2Co Co. AK . 2 ) AC AS 50AV mL = NaOH 2 15.10 .BC mol L = . pH BV - 3 .-2 - 1 - .2 - 2 - pH SB.2 - 3 - - 3 - VBE . CASA. 2 - 4 - . 3,1 - 4,4 4,2 - 6,2 6,0 - 7,6 7,2 - 8,8 8,2 - 10,0 10,0 - 12,0 Abdelatif Chandi_Lyce ouededdahab_Tiflet 8 / 9 8,15 Abdelatif Chandi_Lyce ouededdahab_Tiflet 9 / 9 (mL)