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初三化学
2013-09-13 | 阅:  转:  |  分享 
  
?Yê:?/??Y2?&2O4§

4ê5ùAá?E-t4§,X?U,?,X}4hí?Yê:,X|?Nlè3A?,XòNl,X?''

4ü.òNl,XêíhA1,?¤?(=Büê6?0?6(?C3W,ìG,XY ?hè1 ? ?h)?B5

9è¢?EY?0ú üNl,?,X ?hèEˉ5à?!9!9?·Nl?à?E-t?4§6?ó4,Xê::4ú

9?&?}èFw4ê5ù3$μC?Z?′Y2?9ú2Oè?o ?hYG?áè???Aù?



a!?YG,Xê:?/???

2Mg+O2&?''?====2MgO)?B5?''?&????G£,X&á? àê?5?-,X,Q

S+O2&?''?====SO2)?B5?0N!è#μ:±8F,X&?''×4?!?:±2?8F,X&?''× àêó?Y

%??!è
G,X!è''?

C+O2&?''?====CO2)?B5?ó?6?óA}4??,X-?&D"#%#,X!è''

2C+O2&?''?====2CO)?B5?''?&?)?B5êèJa)?B5áa

4P+5O2&?''?====2P2O5)?B5:?ó?,Q&3

3Fe+2O2&?''?====Fe3O4)?B5?;&?''?&??&?óˉ??ó?T¥8F,X?''

2H2+O2&?''?====2H2O)?B5?#μ:±8F,X&?''

2H2O2MnO2====2H2O+O2↑)?B5?$?#?G?f??G£,X!è"μ

2HgO?====2Hg+O2↑)?B5?ó?Jê,Q8F,X#?''G¥2

2KClO3MnO2====2KCl+3O2↑)?B5?ó?6?A}ú&?ó,Xü5á''?,X!è''

2KMnO4?====K2MnO4+MnO2+O2↑)?B5? àTè



—————————————————úF4?————————————————



C3!?YG,Xê:?/???

2H2+O2&?''?====2H2O)?B5?#μ:±8F,X&?''

Zn+H2SO4==ZnSO4+H2↑)?B5?Y ?''?&?,X!è''ó?

Mg+H2SO4==MgSO4+H2↑)?B5? àT

Fe+H2SO4==FeSO4+H2↑)?B5? ??#4ó8F,X$?#?è àê?!è''

2Al+3H2SO4==Al2(SO4)3+3H2↑)?B5?Y!è''ó?

Zn+2HCl==ZnCl2+H2↑)?B5? àT

Mg+2HCl==MgCl2+H2↑)?B5? àT

Fe+2HCl==FeCl2+H2↑)?B5?$?#? ??#4ó8Fè àê?!è''

2Al+6HCl==2AlCl3+3H2↑)?B5?Y!è''ó?



?

H2+CuO====Cu+H2O)?B5?+T¥8F,X?'' ??4v8F,Xè àêY")′ó?

P?#y

2Fe2O3+3H2=====2Fe+3H2O)?B5?Y")′ó?è?''Np8F+4v8F ??Jê,Q8F



————————————————úF4?——————————————————



C3.?YG,Xê:?/???

C+O2&?''?====CO2(!?!èC?,X???))?B5?ó?6?A}4??,X-?&D" ?#%#,X!è''

2C+O2&?''?====2CO(!?!èáC?,X???))?B5?áa

P?#y

C+2CuO=====2Cu+CO2↑)?B5??''+T¥8F ??4v8FJ£?è àêY6?S4??-?&D" ?#%

#,X!è''ó?

P?#y

3C+2Fe2O3=====4Fe+3CO2↑)?B5??''+4v8FE?#? ??Jê,Q8Fè àêT¥8F,X?''£?èY

6?S4??,X-?&D" ?#%#,X!è''ó?

CO2+CP?#y====2CO)?B5?T¥8F?''E?#?£?

3C+2H2O=CH4+2CO)?B5?ó?,X#?
`!è'' ?"''8!èèF? ?1''?&?,X!è''



C3`!?ê.?YG,Xê:?/???

C+O2&?''?====CO2)?B5?ó?6?S4??,X-?&D" ?#%#,X!è''



Ca(OH)2+CO2===CaCO3↓+H2O)?B5?ó?,Q8F,X"]#?èüb?P``!?ê.?



CaCO3+CO2+H2O===Ca(HCO3)2)?B5?,Q8F?''E?#?$??·

Ca(HCO3)?====CaCO3↓+CO2↑+H2O)?B5?ó?,Q8F,X"]#?è àêY6?S4??,X-?&D"

?#%#,X!è''ó?

Cu2(OH)2CO3?====2CuO+H2O+CO2↑)?B5??''+4ó8FE?#? ??T¥8Fè àêY6?S4??

-?&D" ?#%#,X!è''ó?

2NaOH+CO2===Na2CO3+H2O?3 ?KOH?)?B5?áa

CaCO3P?#y====CaO+CO2↑)?B5?Y6?S4??-?&D" ?#%#,X!è''ó?

C3?!?ê.?YG,Xè àê3C3`!?ê.?YG?



Fe3O4+4CO====3Fe+4CO2)?B5??''+T¥8F ??Jê,Q8Fè àêY6?S4??-?&D" ?#%#

,X!è''ó?

P?#y

FeO+CO===Fe+CO2)?B5??''+T¥8FE?#? ??Jê,Q8Fè àêY6?S4??-?&D" ?#%#

,X!è''ó?

P?#y

Fe2O3+3CO====2Fe+3CO2)?B5??''+4v8FE?#? ??Jê,Q8Fè àêY6?S4??-?&D" ?

#%#,X!è''ó?

P?#y

CuO+CO====Cu+CO2)?B5??''+T¥8F ??4v8Fè àêY6?S4??-?&D" ?#%#,X!è

''ó?



————————————————úF4?——————————————————



C3,¤GLYG,Xê:?/???



NaOH(3 ?KOH)+HCl==NaCl+H2O)?B5?áa



HCl+AgNO3==AgCl↓+HNO3)?B5?Y,Q8F"]#?ó?èE-t ?hüb?P`"/?$



CaCO3+2HCl==CaCl2+H2O+CO2↑)?B5?,R8F?''$??·èó?6?S4??-?&D" ?#%#,X!è''



Na2CO3+2HCl==2NaCl+H2O+CO2↑)?B5?ó?6?S4??-?&D" ?#%#,X!è''



NaHCO3+HCl==NaCl+H2O+CO2↑)?B5?ó?6?S4??-?&D" ?#%#,X!è''



Fe2O3+6HCl==2FeCl3+3H2O)?B5?4v8F?''E?#?$??·è6?T?8F,X$?#?



Fe(OH)3+3HCl==FeCl3+3H2O)?B5?4v?8F3B(?"]#?$??·è6?ZT?8F,X$?#?



Cu(OH)2+2HCl==CuCl2+2H2O)?B5?:±8F"]#?$??·è6?T?4ó8F,X$?#?



CuO+2HCl==CuCl2+H2O)?B5?T¥8F?''$??·èó?T?4ó8F,X$?#?



Zn+2HCl==ZnCl2+H2↑)?B5? àT

Mg+2HCl==MgCl2+H2↑)?B5? àT

Fe+2HCl==FeCl2+H2↑)?B5?$?#? ??#4ó8Fè àê?!è''

2Al+6HCl==2AlCl3+3H2↑)?B5?Y!è''ó?



1Tˉt ?hè,¤GL?.?GLF?,ìè aM6?2OáC,E?ZèA?5ù ?L?m?G!G G ?×.1GL?

8KY!?ê?è1{(=?8áH2



————————————————úF4?—————————————————



C3.?GLYG,Xê:?/???



2NaOH(êKOH)+H2SO4==Na2SO4+2H2O)?B5?áa



Fe2O3+3H2SO4==Fe2(SO4)3+3H2O)?B5?4v8F?''$??·èó?T?8F$?#?



CuO+H2SO4==CuSO4+H2O)?B5?T¥8F?''$??·èó?:±8F$?#?



Cu(OH)2+H2SO4==CuSO4+2H2O)?B5?:±8F"]#?$??·èó?:±8F$?#?



H2SO4+BaCl2==BaSO4↓+2HCl)?B5?ó?á$?bGL,X,Q8F"]#?èüb?P`.?GL
/?$



CaCO3+H2SO4==CaSO4+H2O+CO2↑



Na2CO3+H2SO4==Na2SO4+H2O+CO2↑



2NaHCO3+H2SO4==Na2SO4+2H2O+2CO2↑)?B5?E-Yt ?h)?B5 àa,¤GL ?h)?B5?7è



————————————————úF4?—————————————————



C3.1GLYG,Xê:?/???



Fe2O3+6HNO3==2Fe(NO3)3+3H2O)?B5?4v8F?''$??·èó?T?8F$?#?



CuO+2HNO3==Cu(NO3)2+H2O)?B5?T¥8F?''$??·èó?:±8F$?#?



Cu(OH)2+2HNO3==Cu(NO3)2+2H2O)?B5?:±8F"]#?$??·èó?:±8F$?#?



NaOH(êKOH)+HNO3==NaNO3+H2O)?B5?áa



Mg(OH)2+2HNO3==Mg(NO3)2+2H2O)?B5?,Q8F"]#?$??·

CaCO3+2HNO3==Ca(NO3)2+H2O+CO2↑



Na2CO3+2HNO3==2NaNO3+H2O+CO2↑



NaHCO3+HNO3==NaNO3+H2O+CO2↑)?B5?1TYt ?h)?B5 àa,¤GL ?h)?B5?7è



———————————————úF ???úF——————————————————



C3.?YG,Xê:?/???



NaOH+HCl(êHNO3?H2SO4)==NaCl+H2O)?B5?GL.?
` ?hè)?B5áa



CaO+H2O==Ca(OH)2)?B5???G£,X&á



NaOH(KOH)?FeCl3(Fe(NO3)3?Fe2(SO4)3)==Fe(OH)3↓+NaCl)?B5?ó?4v?8F3B(?"]#?è

à ?G?M6,X ?hE?/?,ìè{(=,ìíh>Z



2NaOH(KOH)+FeCl2(Fe(NO3)2?FeSO4)==Fe(OH)2↓+2NaCl)?B5?ó?,Q8F3B(?"]#?èà

?

G?M6,X ??E?/?,ìè{(=,ìíh>Z



2NaOH(KOH)+CuCl2(Cu(NO3)2?CuSO4)==Cu(OH)2↓+2NaCl)?B5?ó?:±8F3B(?"]#?èà

?G?M6,X ?hE?/?,ìè{(=,ìíh>Z



NH4Cl(NH4NO3?(NH4)2SO4)+NaOH(KOH)==NH3↑+H2O+NaCl)?B5?Y ?1S-?;A?4?

?:±,X!è''ó?



MgCl2(Mg(NO3)2?MgSO4)+NaOH(KOH)==Mg(OH)2↓+NaCl)?B5?ó?,Q8F"]#?èà ?G?

M6,X ?hE?/?,ìè{(=,ìíh>Z



NaHCO3+NaOH==Na2CO3+H2O)?B5?áa!8 ?h,XNa6?K?,X





Ca(HCO3)2+2NaOH==CaCO3↓+Na2CO3+2H2O)?B5?ó?,Q8F"]#?è!8 ?h^Na6?K

?,X



2NaOH+CO2==Na2CO3+H2O)?B5?′a)?B5!8 ?h,XNa6?K?,X



Ca(OH)2+CO2==CaCO3↓+H2O)?B5?{ó,Q8F"]#?è!8 ?hüb?P``!?ê.?



NaHSO4+NaOH==Na2SO4+H2O)?B5?′a)?B5



2NaOH+SO2==Na2SO3+H2O)?B5?′a)?B5



C3Ju,¤YG,Xê:?/???



BaCl2+Na2SO4==BaSO4↓+2NaCl)?B5?Y,Q8F,Xá$?bGL,X"]#?ó?



BaCl2+Na2CO3==BaCO3↓+2NaCl)?B5?Y,Q8F"]#?ó? ?$?b,¤GL
`.1GLèJr3$?b

.?GLèó?.?GLJu"]#?èá??,??9

C3Jm,¤YG,Xê:?/???



CaCl2+Na2CO3==CaCO3↓+2NaCl)?B5?ó?,Q8F"]#?



CaCO3+CO2+H2O==Ca(HCO3)2)?B5??''E?#?$??·



Ca(HCO3)2+Ca(OH)2==2CaCO3↓+2H2O)?B5?ó?,Q8F"]#?



————————————————JE?úF4?—————————————————



C3′/?G¥2 ?J,¤YG,Xê:?/???



J°?

CuSO4?5H2O?====CuSO4+5H2O↑)?B5??''+:±8F ?,Q8F



P?#y

CuO+CO====Cu+CO2)?B5??''+T¥8FE?#? ??4v8Fè àêY6?S4??,X-?&D" ?#%#,X

!è''ó?



?

H2+CuO====Cu+H2O)?B5??''+T¥8FE?#? ??4v8Fè àêY")′ó?



Cu+2AgNO3==Cu(NO3)2+2Ag)?B5?J°>


CuCl2+2NaOH==Cu(OH)2↓+2NaCl)?B5?ó?Z:±8F3B(?"]#?



CuO+H2SO4==CuSO4+H2O)?B5?T¥8F?''$??·èó?:±8F$?#?



Cu(OH)2+H2SO4==CuSO4+2H2O)?B5?:±8F"]#?$??·èó?:±8F$?#?



Fe(Zn)+CuSO4==FeSO4+Cu)?B5?Y4v8FG¥2ó?



Cu2(OH)2CO3?====2CuO+H2O+CO2↑)?B5??''+4ó8FE?#? ??T¥8Fè àêY6?S4??

-?&D" ?#%#,X!è''ó?



J??



Fe+2HCl==FeCl2+H2)?B5?J?2]66£?è àêY!è''ó?è$?#?
#4ó8F



FeCl2+2NaOH==Fe(OH)2↓+NaCl)?B5?Y,Q8F3B(?"]#?ó?



4Fe(OH)2+O2+2H2O==4Fe(OH)3)?B5?!?!?êJ?ü0N!è5B?!?êKè aè? ??4v?8F



Fe(OH)3+3HCl==FeCl3+3H2O)?B5?4v?8F3B(?"]#?$??·è$?#?
T?8F



Fe(OH)2+2HCl==FeCl2+2H2O)?B5?,Q8F3B(?"]#?$??·è$?#?
#4ó8F



Fe+CuSO4==FeSO4+Cu)?B5?J?$??·ó?4v8FG¥2



Fe+AgNO3==Fe(NO3)2+Ag)?B5?J?$??·ó?Jê,Q8F,XG¥2



Fe2O3+6HCl==2FeCl3+3H2O)?B5?4v8F?''$??·èó?T?8F,X$?#?



)?B5?J?;&?''?&?è&?óˉ?èó?T¥8F,X?''



Zn+FeCl2==ZnCl2+Fe)?B5?Jà2]66$??·èó?J?



Jê?



AgNO3+HCl==AgCl↓+HNO3)?B5?Y,Q8F"]#?ó?èèá$?bGL



AgNO3+NaCl==AgCl↓+NaNO3)?B5?Y,Q8F"]#?ó?èèá$?bGL



Cu+2AgNO3==Cu(NO3)2+2Ag)?B5?4v8F,XJ°E?#?$??·è àêYJê,Q8F,XG¥2ó?



2AgNO3+Na2SO4==Ag2SO4↓+2NaNO3)?B5?Y,Q8F"]#?ó?



>9ê:?/???



3Ag+4HNO3(/?)==3AgNO3+NO↑+2H2O)?B5?JêE?#?$??·èó?!è''F0N!è ??8F

Ag+2HNO3(#'')==AgNO3+NO2↑+H2O)?B5?JêE?#?$??·èó??8F!è''



Cu+2H2SO4(#'')==CuSO4+SO2↑+2H2O)?B5?J°E?#?$??·èó?Y%??!è
G,X!è''



2FeCl3+Fe==3FeCl2)?B5?J?2]E?#?$??·è$?#?+T?8F ??#4ó8F



2Na2O2(E?!?êJt)+2H2O=4NaOH+O2)?B5?Y6?Sú&?ó,Xü5á''?,X!è''ó?

















































































ê:?/??"

?ê(=Büa!?!è,X ?h?

?1? )Büa!?!è,X ?h?

1.Kü0N!è''?&??2Mg+O2&?''?2MgO

2.J?ü!?!è''?&??3Fe+2O2&?''?Fe3O4

3.J°ü0N!è ?&á?2Cu+O2t&á2CuO

4.J±ü0N!è''?&??4Al+3O2&?''?2Al2O3

5.!?!è0N!è''?&??2H2+O2&?''?2H2O

6.4v.?ü0N!è''?&??4P+5O2&?''?2P2O5

7..?2]ü0N!è''?&??S+O2&?''?SO2

8..?ü!?!èú''?&??C+O2&?''?CO2

9..?ü!?!èáú''?&??2C+O2&?''?2CO

?2?ê ü(=a!?!è,X ?h?

10.?!?ê.?ü!?!è''?&??2CO+O2&?''?2CO2

11.+&?ü0N!è''?&??CH4+2O2&?''?CO2+2H2O

12.G&2?ü0N!è''?&??C2H5OH+3O2&?''?2CO2+3H2O

`ê′tú?· ?h?

13."ü,è#+ ,X0ü?ú?·?2H2OE?+ 2H2↑+O2↑

14.t&á.??.?GLJ°?Cu2(OH)2CO3t&á2CuO+H2O+CO2↑

15.t&á"GLJ??Y?G£,X`!?êK??2KClO3====2KCl+3O2↑

16.t&áP?KGLJ??2KMnO4t&áK2MnO4+MnO2+O2↑

17..?GLá0n5àú?·?H2CO3===H2O+CO2↑

18.P?#y''&?-?&D-??CaCO3P?#yCaO+CO2↑

Yê′t!?êE? s ?h?

19.!?!èE? s!?êJ°?H2+CuOt&áCu+H2O

20.ü&?E? s!?êJ°?C+2CuOP?#y2Cu+CO2↑

21.&ú&?E? s!?êJ??3C+2Fe2O3P?#y4Fe+3CO2↑

22.&ú&?E? sˉ!?êYJ??2C+Fe3O4P?#y3Fe+2CO2↑

23.?!?ê.?E? s!?êJ°?CO+CuOt&áCu+CO2

24.?!?ê.?E? s!?êJ??3CO+Fe2O3P?#y2Fe+3CO2

25.?!?ê.?E? sˉ!?êYJ??4CO+Fe3O4P?#y3Fe+4CO2

ˉê )Bü?!?ê(=?GL?.??,¤,X,ìfG2?

?1?G¥2 )Bü+GL--------,¤+!?!è?5B6 ?h?

26.Jà
`/?.?GLZn+H2SO4=ZnSO4+H2↑

27.J?
`/?.?GLFe+H2SO4=FeSO4+H2↑

28.K
`/?.?GLMg+H2SO4=MgSO4+H2↑

29.J±
`/?.?GL2Al+3H2SO4=Al2(SO4)3+3H2↑

30.Jà
`/?,¤GLZn+2HCl===ZnCl2+H2↑

31.J?
`/?,¤GLFe+2HCl===FeCl2+H2↑

32.K
`/?,¤GLMg+2HCl===MgCl2+H2↑

33.J±
`/?,¤GL2Al+6HCl==2AlCl3+3H2↑

?2?G¥2 )Bü+,¤?$?#??------- o?/?G¥2+ o?/?,¤

34.J?
`.?GLJ°$?#? ?h?Fe+CuSO4===FeSO4+Cu

35.Jà
`.?GLJ°$?#? ?h?Zn+CuSO4===ZnSO4+Cu

36.J°
`.1GL"2$?#? ?h?Cu+Hg(NO3)2===Cu(NO3)2+Hg

?3?.??!?ê(=+GL--------,¤+"

37.!?êJ?
`/?,¤GL ?h?Fe2O3+6HCl===2FeCl3+3H2O

38.!?êJ?
`/?.?GL ?h?Fe2O3+3H2SO4===Fe2(SO4)3+3H2O

39.!?êJ°
`/?,¤GL ?h?CuO+2HCl====CuCl2+H2O

40.!?êJ°
`/?.?GL ?h?CuO+H2SO4====CuSO4+H2O

41.!?êK
`/?.?GL ?h?MgO+H2SO4====MgSO4+H2O

42.!?êJm
`/?,¤GL ?h?CaO+2HCl====CaCl2+H2O

?4?GL?!?ê(=+.?--------,¤+"

43ê8ˉ?Jt?Mü0N!è ?Bü?2NaOH+CO2====Na2CO3+H2O

44ê8ˉ?Jt

`!?ê.?!è''?2NaOH+SO2====Na2SO3+H2O

45ê8ˉ?Jt

Y!?ê.?!è''?2NaOH+SO3====Na2SO4+H2O

46ê#\-?&Dü0N!è ?Bü?Ca(OH)2+CO2====CaCO3↓+H2O

47.#\-?&D

`!?ê.??Ca(OH)2+SO2====CaSO3↓+H2O

?5?GL+.?--------,¤+"

48ê,¤GL
`&?.?CK ?h?HCl+NaOH====NaCl+H2O

49.,¤GL
`!?!?êJ? ?h?HCl+KOH====KCl+H2O

50ê,¤GL
`!?!?êJ° ?h?2HCl+Cu(OH)2====CuCl2+2H2O

51.,¤GL
`!?!?êJm ?h?2HCl+Ca(OH)2====CaCl2+2H2O

52.,¤GL
`!?!?êJ? ?h?3HCl+Fe(OH)3====FeCl3+3H2O

53.!?!?êJ±9C(="?+k6?GLE???3HCl+Al(OH)3====AlCl3+3H2O

54..?GL
`&?.? ?h?H2SO4+2NaOH====Na2SO4+2H2O

55..?GL
`!?!?êJ? ?h?H2SO4+2KOH====K2SO4+2H2O

56..?GL
`!?!?êJ° ?h?H2SO4+Cu(OH)2====CuSO4+2H2O

57..?GL
`!?!?êJ? ?h?3H2SO4+2Fe(OH)3====Fe2(SO4)3+6H2O

58..1GL
`&?.? ?h?HNO3+NaOH====NaNO3+H2O

?6?GL+,¤-------- o?/?GL+ o?/?,¤

59ê?)ú-?a/?,¤GL ?h?CaCO3+2HCl===CaCl2+H2O+CO2↑

60ê.?GLJta/?,¤GL ?h:Na2CO3+2HCl===2NaCl+H2O+CO2↑

61ê.?GLKa/?,¤GL ?h:MgCO3+2HCl===MgCl2+H2O+CO2↑

62ê,¤GL
`.1GLJê$?#? ?h?HCl+AgNO3===AgCl↓+HNO3

63..?GL
`.?GLJt ?h?Na2CO3+H2SO4===Na2SO4+H2O+CO2↑

64..?GL
`"êJu$?#? ?h?H2SO4+BaCl2====BaSO4↓+2HCl

?7?.?+,¤-------- o?/?.?+ o?/?,¤

65ê!?!?êJta.?GLJ°?2NaOH+CuSO4====Cu(OH)2↓+Na2SO4

66ê!?!?êJta"êJ??3NaOH+FeCl3====Fe(OH)3↓+3NaCl

67ê!?!?êJta"êK?2NaOH+MgCl2====Mg(OH)2↓+2NaCl

68.!?!?êJta"êJ°?2NaOH+CuCl2====Cu(OH)2↓+2NaCl

69.!?!?êJma.?GLJt?Ca(OH)2+Na2CO3===CaCO3↓+2NaOH

?8?,¤+,¤-----?/??,¤

70ê"êJt$?#?
`.1GLJê$?#??NaCl+AgNO3====AgCl↓+NaNO3

71ê.?GLJt
`"êJu?Na2SO4+BaCl2====BaSO4↓+2NaCl

hêJW ?h?

72ê`!?ê.?$??·b"?CO2+H2O===H2CO3

73êó-?&D$?b"?CaO+H2O===Ca(OH)2

74ê!?êJt$?b"?Na2O+H2O====2NaOH

75êY!?ê.?$?b"?SO3+H2O====H2SO4

76ê.?GLJ°J'' ?&áú?·?CuSO4·5H2Ot&áCuSO4+5H2O

77ê′".?GLJ°0F''1?CuSO4+5H2O====CuSO4·5H2











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