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1. BI GING HO HC 10NC 1 CN BNG HO HC Bi 50
2. S CHUYN DCH CN BNG HA HC Quan st th nghim. Nhn xt hin tng.
Th nghim1 2NO2(k) N2O4(k) BI GING HO HC 10NC 2
3. S CHUYN DCH CN BNG HA HC Hin tng- Gii thch Hin tng: ng nghim
ngm trong nc c mu nht hn Gii thch: Cc phn t NO2 (nu ) phn ng vi
nhau to ra N2O4 (khng mu) nng NO2 gim, nng N2O4 tng S CHUYN DCH CN
BNG HA HC 2 BI GING HO HC 10NC 3
4. S CHUYN DCH CN BNG HA HC nh Ngha S chuyn dch cn bng ha hc l
s chuyn dch t trng thi cn bng ny sang trng thi cn bng khc do tc ng
cc yu t t bn ngoi ln cn bng. Th no l chuyn dch cn bng ha hc ? Nhng
yu t lm chuyn dch cn bng Nng Nhit p sut 3 BI GING HO HC 10NC -
4
5. N2O4 NO2 NO2 Nng 1 CC YU T NH HNG N CN BNG HA HC BI GING HO
HC 10NC 5
6. N2O4 NO2 NO2 BI GING HO HC 10NC 6
7. NO2 NO2 N2O4 N2O4 NO2 NO2 NO2 NO2 BI GING HO HC 10NC 7
8. NO2 NO2 NO2 NO2N2O4N2O4 BI GING HO HC 10NC 8
9. Nng 1 Khi tng hoc gim nng mt cht trong h cn bng, cn bng s
chuyn dch theo chiu lm gim tc ng ca vic tng hoc gim 2 2 C 2 4 [NO ]
K [N O ] iu g s xy ra nu: - Tng nng N2O4? - Tng nng NO2? N2O4(k)
2NO2(k) CC YU T NH HNG N CN BNG HA HC BI GING HO HC 10NC 9
10. p sut2 N2O4(k) 2NO2(k) TNG P SUT GIM P SUT Hon thnh phiu hc
tp s 1
01:0000:5900:5800:5700:5600:5500:5400:5300:5200:5100:5000:4900:4800:4700:4600:4500:4400:4300:4200:4100:4000:3900:3800:3700:3600:3500:3400:3300:3200:3100:3000:2900:2800:2700:2600:2500:2400:2300:2200:2100:2000:1900:1800:1700:1600:1500:1400:1300:1200:1100:1000:0900:0800:0700:0600:0500:0400:0300:0200:0100:00
CC YU T NH HNG N CN BNG HA HC BI GING HO HC 10NC 10
11. Quan st hin tng th nghim 1. Khi nn p sut mu hn hp kh nh th
no ? . 2. Khi gim p sut mu hn hp kh nh th no
?......................................... C s l thuyt 1. Vit 1
phng trnh vt l (hoc ha hc) bit v mi quan h gia s mol v p sut ? ..
2. T phng trnh trn cho bit mi tng quan gia (t l thun, hay nghch)
gia hai i lng s mol v p sut. 3. T phng trnh phn ng N2O4(k) 2NO2(k)
Phn ng thun: s mol p sut . Phn ng nghch: s mol p sut . Nhn xt hin
tng Khi: Tng p sut s mol tng Th: Cn bng chuyn dch theo chiu nghch
to N2O4 s mol gim gim p sut Khi: Gim p sut s mol gim Th: Cn bng
chuyn dch theo chiu thun to NO2 s mol tng tng p sut Nht dn (to
N2O4) m dn (to NO2) nRT = PV T l thun Tng Tng Gim Gim Tng p sut Gim
p sut Tng p sut Gim p sut
12. Khi thay i p sut ca h cn bng, cn bng s dch chuyn theo chiu
lm gim tc ng ca s thay i p sut2 Khi no p sut khng nh hng ti h cn
bng ? H khng c cht kh S mol kh 2 v ca phng trnh bng nhau CC YU T NH
HNG N CN BNG HA HC BI GING HO HC 10NC 12 a/ 2SO2(k)+O2(k) 2SO3(k)
b/ CaCO3(r) CaO(r) + CO2(k) c/ H2(k) + Br2(k) 2HBr(k)
13. Khi tng nhit , cn bng chuyn dch theo chiu phn ng thu nhit
(chng li s tng nhit) Khi gim nhit , cn bng chuyn dch theo chiu phn
ng ta nhit (chng li s gim nhit) H= 58 kJ > 0 thu nhit Nhit 3
N2O4(k) 2NO2(k) CC YU T NH HNG N CN BNG HA HC BI GING HO HC 10NC
13
14. CC YU T NH HNG N CN BNG HA HC Mt phn ng thun nghch ang trng
thi cn bng, khi chu tc ng bn ngoi nh bin i nng , p sut, nhit , th
cn bng s chuyn dch theo chiu lm gim tc ng bn ngoi . Nguyn l chuyn
dch cn bng Le Chatelier Nguyn l Le Chatelier4 Hon thnh phiu hc tp s
2
01:0000:5900:5800:5700:5600:5500:5400:5300:5200:5100:5000:4900:4800:4700:4600:4500:4400:4300:4200:4100:4000:3900:3800:3700:3600:3500:3400:3300:3200:3100:3000:2900:2800:2700:2600:2500:2400:2300:2200:2100:2000:1900:1800:1700:1600:1500:1400:1300:1200:1100:1000:0900:0800:0700:0600:0500:0400:0300:0200:0100:00
BI GING HO HC 10NC 14
15. Xc Tc5 CC YU T NH HNG N CN BNG HA HC CHT XC TC Khng bin i
nng cc cht Tng tc phn ng thun v nghch nh nhau Khng bin i hng s cn
bng KHNG LM CHUYN DCH CN BNG BI GING HO HC 10NC 15
16. NGHA TRONG SN XUT HA H C ng Vi tr nh tng hp v c, hy thit k
iu kin cho phn ng tng hp NH3 v SO3 sao cho hiu sut cao nht theo hai
cn bng sau: 2SO2 + O2 2SO3 H= -198 kJ N2 + 3H2 2NH3 H = -92 kJ Bi
Tp Nhm BI GING HO HC 10NC 16
17. NGHA TRONG SN XUT HA H C Thay i cc yu t: nhit , nng , p
sut, cht xc tc TNG TC PHN NG TNG HIU SUT PHN NG BI GING HO HC 10NC
17
18. THM HOC BT CC CHT TG & SP THM AXIT VO H THAY I NHIT
CHNG CT SN PHM LIN TC THAY I P SUT N2 + 3H2 2NH3 H = -92 kJ