تمارين محلولة في الفيزياء حول جدول التقدم

moc.anhomot.www

FCS

3102

1

) (

1( "!

()()2

()22

sgs+> gMOOgM

--------------------------------

2( 8 :79 8+ )." *$ 7'6( ,! 4$ ('& /2 1/ 3,6L .,! ,+ *) ('& %$#

/2 1/ BA @? 4, " > :79 . -------------------------------------

3( : /2 47'A 1/ CD 7 %C L4,2=6,3-6

: " 47'A 1/ CD 7 %C A

lomLlom

LVv

noM

0,142. === 21 ().2,4

---------------------------------------------------------------------------------------

4( : " 47'A 1/ ?'lom

LlomL

VvO

nM

0,5242.()6

12

===

OgM 2 2O + gM2 ?' 0 52,0 on x2 x-52,0 x2-on

" *$ H x .G " 1/ CD : / CD 7 %C , " 47'A 1 0,1lom

: BI lom1,0=x : " 47'A 1/ ?> 7 %C

lom 51,0=1,0-52,0=x-52,0=)2O(n -------------------------------------

5( : " 47'A 1/ CD 7 %C = 2 ()0,1 nolom :"7N BI . A G 1(> 1 ( (M ,* K8J :79 = xam0,1 xlom

--------------------------------------------------------------------------------------- 6( :79 , : 0=xamx2-on

OgM 2 2O + gM2 0 52,0 on x2 x-52,0 x2-on 7C' 2,0 51,0 0

2

------------------------------------------------------------------------------------

no-2xmax=0 : 97: , (7

no(Mg) =2.xmax=0,2mol '? 97: "

97: '? : m=n.M=0,2.24=4,8g

-----------------------------------------------

. " " 8" 2( ! P/ AB ? AB /1 DC A(8 P! C7" DQ,.

xmax=0,25mol

3

m(Al)=n(Al).M(Al)= 0 n(O2)=n(O2).M(O2) =16g/mol.0,125 mol=2g

M(Al2O3)=2.(27)+3.(16)=102g/mol n(Al2O3)=M.n=102. 0,05=5,1g.

2/ C% 7 /1 A'74: V(o2)=n.VM=(0,125 ) . 24 =3L

!": (1

FeCOOFeC 4323 232 +>+ -------------------------------------------------------------------------------------------------------------------------------

( /7 " : (2 mol

molgg

FeMFemFen 1

/5656

)()()( ===

(

max41)( xmolFen == " " IB : g56 > C% 7 % 7% , molx 25,0max = >(1:

.

molmolg

gOFeMOFemOFen 1,0

/16016

)()()(

32

3232 === (3

0,1-2xmax=0 . 32OFe xmax= 0,05mol N7" :

A C% 7 JW P8 A,

4

)(2)()()(

32 323gsgs

COFeCOOFe +>+ (1

---------------------------------------------------------------------------------------------------------------

'?.)(

32s

OFe " 7 (2

molmolgg

MmOFeno 02,0

/1602,3)( 32 ===

C2H6O +3O2 -> 2CO2 3H2O '? t=0 0,02 mol 8B, 0 0

0,02-x 8B, 2 x 3 x 'C7 0,02-xmax 8B, 2xmax 3xmax

. Fe2O3 . molx 02,0max = : 0,02-xmax=0

molxCOn 06,0)02,0.(3.3)( max2 === A /7 : 2CO " #$% $* " LmolLmolVCOnCOV M 5,1/25.06,0).()( 22 === N7": ,8Y A'74 2/:

---------------------------------------------------------------------------------------------------------------- " /7 : (3

molxFen 04,0.2)( max == gmolgmolMnm 24,2/56.04,0. === A /7 IB N7" :

--------------------------------------------------------------------------------------------------------------------------------------

OHCOOOHC 22262 323 +>+ (4

5

--------------------------------------------------------------------------------------------------------------------------------------

(A C% 7 DC /1 A'74 " $* ": molxOn 6,0)2,0.(33)( max2 ===

--------------------------------------------------------------------------------------------------------------

) (6

molmolgg

MmOHCn 05,0

/463,2)( 62 ===

molmolLL

VOVOnM

06,0/255,1)()( 22 ===

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

C2H6O +3O2 2CO2+ 3H2O !

0,05 0,06 0 0 ? 0,05-x 0,06-3x 2x 3x

0,05-xmax 0,06-3xmax 2xmax 3xmax C7 xmax=0,05mol 0,05-xmax=0 : C2H6O C% 7 7 :

xmax=0,02mol 0,06-3xmax=0 : O2

. xmax=0,02mol /1 A'74%G_ ?( AW Q A, : 0,02

6

4Al + 3O2 --------> 2Al2O3 (1

.

: (2 4Al + 3O2 --------> 2Al2O3 n1 n2 0 n1-4x n2-3x 2x

7 $* ": DC /1 " ) ( =3x Y 7"1 " ) 67 ( =2x

: AW DC 7"1 " G) .( 4x molx 1= N7" : molx 44 = 7 7"1 " : mol4 ( AW "7

: molmolxOn 3)1.(33)( 2 === A, : DC /R A'74 " : molmolxOAln 2)1.(2.2)( 32 === " %"1 Y

---------------------------------------------------------------------------------------------------------------------------

molx 25,0= N7" : molx 14 = 7 7"1 " : mol1 ( AW "7 : molmolxOn 75,0)25,0.(33)( 2 === , A: DC /R A'74 "

: molmolxOAln 5,0)25,0.(2.2)( 32 === " %"1 Y -------------------------------------------------------------------------------------------------.--------------

molx 2,0= N7" : molx 8,04 = 7 7"1 " : mol8,0 ( AW "7 : molmolxOn 6,0)2,0.(33)( 2 === A, : DC /R A'74 "

: molmolxOAln 4,0)2,0.(2.2)( 32 === " %"1 Y

C3H8 + 5 O2 ------> 3 CO2 + 4 H2O (1

:>1 * (2

C3H8 5O2 3CO2 4H2O '? t=0 2 mol 7 mol 0 0

2-x 7-5x 3 x 4 x

7

'C7 2-xmax 0 3xmax 4xmax

AY *R &B >(1 .

2-xmax =0 --> xmax=2 mol

7-5xmax = 0 --> xmax=1,4 mol

, 8? H N7" /1 A, 8BI, !" .

molx 4,1max =

A / AB JW A'C7 P8 Aa!%:

C3H8 5O2 3CO2 4H2O 'C7 2-1,4 = 0,6 mol 0 3*1,4 = 4,2 mol 4*1,4 =5,6 mol

:%G *

C3H8 5O2 3CO2 4H2O '? t=0 1,5 mol 7 ,5mol 0 0

1,5-x 7,5-5x 3 x 4 x

>(1 7:

1,5-xmax =0 --> xmax=1,5 mol

soit 7,5-5xmax = 0 --> xmax=1,5 mol

74 ,8? H N7" C% 7 C7" AW " " 8" 2, $!" /1 A'.

C3H8 5O2 3CO2 4H2O 'C% 0 0 3.(1,5) = 4,5 mol 4.(1,5) = 6 mol

:

2 H2S + SO2 -- 3 S + 2 H2O (1

8

-----------------------------------------------------------------------------------------------------

(2

2H2S SO2 3S 2H2O '? 5 mol 4 mol 0 0 5-2 x 4 - x 3 x 2 x

5-2xmax=0 --> xmax=2,5 mol : H2S ?7,

soit 4-xmax = 0 --> xmax=4 mol : SO2 ?7,

. H2S A, 8BI, !" SO2 H N7" .

. A / AB JW A'C7 P8 Aa!% : (3

2H2S SO2 3S 2H2O 'C7 0 4-2,5 = 1,5 mol 3.(2,5) = 7,5 mol 2.(2,5) =5 mol

-------------------------------------------------------------------------------------------------------

(4

2H2S SO2 3S 2H2O '? n mol 3,5 mol 0 0 n-2 x 3,5 - x 3 x 2 x

$ AW "7 A'C7 )8" ! 2 R( : molx 5,3max = : 3,5 xmax=0

n-2 xmax = 0 --> n =2xmax = 7 mol

A / AB JW A'C7 P8 Aa!%:

2H2S SO2 3S 2H2O 'C7 0 0 3.(2,5) = 7,5 mol 2.(2,5) =5 mol

( A / 2: VIII

9

:

:

OHCOOOHC 22262 323 +>+ (1

------------------------------------------------------------------------------------------------------------------------

: (1-2(2

OHCOOOHC 22262 323 +>+

0,2 no 0 0

0,2-x no-3x 2x 3x

*R &B A A 8R Q & "$ % %G_ " %G$ AY .

.xmax=0,2mol

10

---------------------------------------------------------------------------------------------------------

A Q $* DC /1 A'74 " : (3-2

LmolLmolVnOV M 15/25.6,0.)( 2 === '74 2/ IB N7" DC /1 A: .n=3xmax=0,6mol

-----------------------------------------------------------------------------------------------------------------

molmolgg

MmOHCno 05,0/46

3,2)( 62 === (-1-3(3

molmolLL

VvOnM

o 06,0/255,1)( 2 ===

---------------------------------------------------------------------------------------------------------

(-2-3

OHCOOOHC 22262 323 +>+

0,05 0,06 0 0

0,05-x 0,06-3x 2x 3x

J8, !" /1 A'74 #$%:

./1 A'74 . xmax=0,02mol

-------------------------------------------------------------------------------------------------------------

A'C7 JW P8: (3-3

OHCOOOHC 22262 323 +>+

0,03mol 0 0,04mol 0,06mol

2 Fe + 3Cl2 -> 2 FeCl3 (1

----------------------------------------------------------

.0,25mol : 0,2mol(2

-------------------------------------------------------------- 2 Fe + 3Cl2 -> 2 FeCl3 -(3

11

0.2 0.25 0 0.2-2x 0.25 -3x 2x

(4

xmax=0,1 mol 0,2 -2xmax=0 : Fe 7 C% 7:

xmax=0,083mol 0,25 -3xmax=0 : Cl2 . xmax=0,083 mol=83m.mol A'74 Y?( AW Q A, : 0,1 >0,083

C7

.