-
7/28/2019 Prpa Devoirs n3
1/4
()
1
m=500g S=1dm2 . V=1L = .
1- .P0=105Pa P1 -2 (C) M=1kg.
P2-1.2 .-2.2 X
-3 . .-4 .
-1.4 2.4- .3.4- :g=10N.kg-1.
2
m1 .1 m2 2 3. m1 .12.1 ..2 ..3 .4. .5. :
m1m2123 1125g118g16,5C88C20,6C 2100g118g20C75C23,7C
.3
1. 1.190 KJ m1=300g C 201 m2=400g 2. Ce 42..1.1 Q1 ..1.2 Q2 . 2.
.
2. mg=35g C 24 m4=400g C 5,184.1.2. .2.2.
f .
3.2. m0=100g C 2,760. :Cf 2,10'. . : L f=335kJ/Kg.
Cg=2,10kJ/Kg/K.4
( ( 1.6,58 KJ m1=150g C 2,191 m2=217g C 702. 3..1 Q1 ) .(2
. Q2 . 3.3. . 112 ..10.30,1 KkgJCPb
-1-
((C
11.. KkgJ 240380460
-
7/28/2019 Prpa Devoirs n3
2/4
5
kgm 1 t, 1min.2000 Jq.0t . :
.1 .:SC2. .:C3. .:f4. .:fL
6
m1=200g 1=20C. m2=400g 2=40C :f=30C..1 ..2 m=800g t=-30C
f=0C.
.1.2 .2.2 3. Al m0 660C. .m0.:0C : L f=335kJ/Kg.
0C. .660C .Ce=4.18kJ/Kg/K
Cg=2.10kJ/Kg/K. .CAl=920J/Kg/K
7
1 R=2,5cm P0=105Pa T0 V0. m=20Kg d=2cm P V(2.) .1- .2- .-3 .-4
PVV0 .-5 U .
:g=9,8N/kg.8
( ( m1=300g C 201 m2=400g C 612 Ce 42.
.1 Q1 .2 Q2 .3 Q .
113 ..10.18,4 KkgJCe9
1.100 KJ, gm 2,551 , 2m, R.( ( C0. 0t ..1 10R, WP 40.2. gm
16,7', .3
. min51 t, . .
113 ..10.18,4 KkgJCe-2-
t(min)
0 1
20
(C)
1 2
d
K
E=20V ; r=0
R
-
7/28/2019 Prpa Devoirs n3
3/4
1
m.1 V1=200mL (S1) C1. (S1) k=10-2m-1,G=14,94mS.1.1. C1 (S1)..1.2
m.
.2 C 25 atmP 1 v=0,24L , (S2) C2.
2.1 C2 (S2).2.2 .2.3 - .2.4
.3 (S1) (S2).3.1. , / ..3.2 3.3. , . :1.1)( molgHM1.16)( molgOM
1.23)( molgNaM1.12)( molgCM
11...082,0 KmolLatmR122 ..10.2)(
molmSaqOH
123
..10.5)(
molmSaqNa
2
1. BBT (Ind-) ().1.1. 2.1. , / .2. BBT (HInd) ( .(
1.2. 2.2. , / ..3
3
C3H6O3 (aq) .1. ..2 )(3 aqHCO . ..3 2 )(4 aqHPO. .4. 2 )(4
aqHPO
4 CH3COOH, , NaHCO3 . : 500mL, , m=1,5g , , ,
V=85,7mL .1. ..2 3. / .4. ..5 6. ..7 ..8 .
5
)(34 SNONH , :)(2)(4)(3)(3 OHNHOHNH aqaqg
1. - ..2
-3-
-
7/28/2019 Prpa Devoirs n3
4/4
.3 3HNO . .4. LV 310
60%.5. 20C, 1,013.105Pa.
:1.14)( molgNM .37,1d6
, V=20mL (S) C=5.10-2mol.L-1 m=135mg . 3 )(aqA, .1 2 .3 4 .5 .6
.7 .8 .9 ( .(25C1bar
:1.27)( molgAM R = 8,314 (SI)7
, V=200mL (S) C=5.10-1mol.L-1 m=6,35mg . NO .
.1 .2 3. .4. ..5 .6. ..7 ..8 ((20C1atm
:1.5.63)( molgCuM.-4-
: 2013/2014
