Химия дефектов. Семенова Г.В - 22 стр.

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22
4.
DZdbaf_gblkyiehlghklvdjbklZeeh\ijbe_]bjh\ZgbbdjbklZeeZ
NaCl –
oeh
jb^hffZ]gbydjbklZeeZ
ZrO
2
–
hdkb^hfdh[ZevlZ
II
djbklZeeZ
Ga
2
O
3
–
hd
kb^hfpbjdhgby
IV) ?
5.
Knhjfmebjmcl_dZdmxijbf_kvgZ^h\\_klb\[bgZjguc djbklZeebijbdZdbo
mkeh\byoqlh[ujZamihjy^hq_gb_ijhbahreh\dZlbhgghcih^j_r_ld_"\Zgb
hgghcih^j_r_ld_"Hl\_lijhbeexkljbjmcl_ijbf_jZfb
AZ^ZqbbmijZ`g_gby
1.
GZibrbl_mjZ\g_gbyhljZ`Zxsb_\\_^_gb_ijbf_kb\fZljbpmihf_
lh^mD:>bf_lh^mDW>
1 2
Z
ZnO
→
Ga
2
O
3
;
[
) Ga
2
O
3
→
ZnO;
\
) CuCl
→
Cu
2
S;
]
) Cu
2
S
→
CuCl;
1 2
^
) As
2
O
5
→
ZrO
2
;
_
) ZrO
2
→
As
2
O
5
;
`
) Ag
2
S
→
AgCl;
a
) AgCl
→
Ag
2
S.
2.
DZdh\f_oZgbaf\oh`^_gbyijbf_kb\kl_obhf_ljbq_kdbcdjbklZee^eydhlh
jh]hD
0
= 10
-30
D′
s
= 10
-20
ijbihklhygghcl_fi_jZlmj_"D
0
–
dhgklZglZjZ\gh
\_kby ijhp_kkZ we_dljhggh
-
^ujhqgh]h jZamihjy^hq_gby D′
s
–
dhgklZglZjZ\
gh\_kbyijhp_kkZjZamihjy^hq_gbyihRhlldb
3.
<ZHbf__ldjZkgmxihehkmk\_q_gbyk\yaZggmxkgZebqb_f\ZdZgkbcdbkehjh
^ZDZdbaf_gblkybgl_gkb\ghklvk\_q_gbyijbe_]bjh\Zgbb<ZHhdkb^hfeb
lbyhdkb^hfZexfbgbyijbm\_ebq_gbb^Z\e_gbydbkehjh^Z"
4.
Ijb hdbke_gbb gbd_ey h[jZam_lky nZaZ
NiO
 bf_xsZy ijh\h^bfhklv j
-
lbiZ
M\_ebqblkybebmf_gvrblkydhjjhaby
NiO
\ijbkmlkl\bb
Li
2
O? Cr
2
O
3
?
5.
H[gZjm`_ghqlhjZajmr_gb_
ZrO
2
ijbgZ]j_\ZgbbgZ\ha^mo_ihl_jydbkehjh
^Zm\_ebqb\Z_lky\ijbkmlkl\bb
P
2
O
5
H[tykgbl_wlhy\e_gb_
6.
DZdh[tykgblvlhlnZdlqlhjZajmr_gb_
Fe
2
O
3
ijbgZ]j_\ZgbbgZ\ha^mo_aZ
f_^ey_lkyijbaZ]jyag_gbbbkoh^gh]hhdkb^Z^bhdkb^hflblZgZ"
7.
Kdhjhklvl\_j^hnZaghcj_Zdpbb
ZnO + CuSO
4
→
ZnSO
4
+ CuO
mf_gvrZ_lky
ijbe_]bjh\Zgbbbkoh^gh]h
ZnO
hdkb^hfojhfZ
III).
H[tykgbl_wlhlnZdl
                                         22


4. DZdbaf_gblkyiehlghklvdjbklZeeh\ijbe_]bjh\ZgbbdjbklZeeZNaCl –oeh
  jb^hf fZ]gby djbklZeeZ ZrO2 –hdkb^hfdh[ZevlZ II djbklZeeZGa2O3 –hd
  kb^hfpbjdhgby IV) ?
5. Knhjfmebjmcl_dZdmxijbf_kvgZ^h\\_klb\[bgZjgucdjbklZeebijbdZdbo
  mkeh\byoqlh[ujZamihjy^hq_gb_ijhbahreh\dZlbhgghcih^j_r_ld_"\Zgb
  hgghcih^j_r_ld_"Hl\_lijhbeexkljbjmcl_ijbf_jZfb


                             AZ^ZqbbmijZ`g_gby


1. GZibrbl_mjZ\g_gbyhljZ`Zxsb_\\_^_gb_ijbf_kb  \fZljbpm  ihf_
   lh^mD:>bf_lh^mDW>

        1      2                                     1            2
  Z ZnO → Ga2O3;                            ^)   As2O5   →    ZrO2;
  [) Ga2O3 → ZnO;                              _)   ZrO2    →    As2O5;
  \) CuCl → Cu2S;                              `)   Ag2S    →    AgCl;
  ]) Cu2S → CuCl;                              a)   AgCl    →    Ag2S.


2. DZdh\f_oZgbaf\oh`^_gbyijbf_kb\kl_obhf_ljbq_kdbcdjbklZee^eydhlh
   jh]hD0= 10-30D′s= 10-20ijbihklhygghcl_fi_jZlmj_"D0 –dhgklZglZjZ\gh
   \_kby ijhp_kkZ we_dljhggh-^ujhqgh]h jZamihjy^hq_gby  D′s – dhgklZglZ jZ\
   gh\_kbyijhp_kkZjZamihjy^hq_gbyihRhlldb

3.

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