Химия 9кл_Габриелян_ГДЗ_2002

7. Be(OH) + H SO = BeSO ↓ G H

<hijhk2 2 4 4 2

Z%H 2+ G <_ G H%H 2+ G H

2 + 2+ 2 G H 2 + H2SO4=BeSO4 2

[Be(OH)%H 2++ 2HNO2G3=Be(NO<_2 3)2 G H2%H 2+

G2H 2 – 2– 2G H 2 + 2KOH=K2BeO2 + Be(OH) + 2NaOH=Na BeO

<hijhk2 2 2 2

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GZijbf_j+

Gh kms_kl\mxl2SO4; dbkehluP2O5; COh[jZah\Zggu2. _ f_lZeeZfb

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Hkgh\gu_ k\hckl\Z oZjZdl_jgu ijZdlbq_kdb lhevdh ^ey f_lZeeh\

GZijbf_j NaOH, K2O, LiNO3.

I_jbh^bq_kdbc aZdhg b i_jbh^bq_kdZy kbkl_fZ § 3 obfbq_kdbo we_f_glh\ > B F_g^_e__\Z

<hijhk

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<hijhk

Jmdh\h^kl\mykv i_jbh^bq_kdhc kbkl_fhc gZc^_f we_f_gl k gm`guf jZkiheh`_gb_f we_dljhgh\ b Wlhl we_f_gl ²Zahl

NWlhl: 1swe22s_2f2p_gl3. h[jZam_l ijhklh_ \_s_kl\h Zahl <h^hjh^gh_

kh_^bg_gb_ ZahlZ — NH3 ZffbZd <ukrbc—hdkb^N2, ZahlZ — N2H5.

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Dbkehlguc hdkb^ ijb jZkl\hj_gbb \ \h^_ i_j_oh^bl \ kbevgmx Zahlgmx dbkehlmN2O5 +123.

<hijhk mkbe_gb_ f_lZeebq_kdbo k\hckl\

N, P,F_As,lZeebqS , _Bikdb—_ k\hckl\Z \ ]jmiiZo mkbeb\Zxlky

<hijhk mkbe_gb_ g_f_lZeebq_kdbo k\hckl\ GNa,_fMg,_lZeebqAl, Si,_kdbP,_S,k\hckl\ZCl — \ i_jbh^Zo mkbeb\Zxlky

<hijhk mf_gvr_gb_ dbkehlguo k\hckl\Cl2O7, P2O5, SiO2, Al2O3, MgO, Na2O —

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=eZ\Z F_lZeeu

<hijhk § 4 <_d f_^guc [jhgah\uc `_e_aguc

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fZl_jbZeu we_dljhl_ogbq_kdb_ fZl_jbZeu `Zjhijhqgu_ fZl_jbZeu

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Iheh`_gb_ f_lZeeh\ \ i_jbh^bq_kdhc kbkl_f_ § 5 > B F_g^_e__\Z b kljh_gb_ bo Zlhfh\

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<hijhk

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<hijhk

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<hijhk

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<hijhk

GZ lm]hieZ\dhklb \hevnjZfZ hkgh\Zgh _]h ijbf_g_gb_ \ eZfiZo gZdZeb\Zgby

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<hijhk

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<hijhk § 8 Obfbq_kdb_ k\hckl\Z f_lZeeh\

AZibr_f mjZ\g_gb_ j_Zdpbc h[jZah\Zgby `_e_aghc hdZebgu

↑

²ij_^klZ\ey_3Fel kh[hc+ 4H2kfO =kvFe^\mo3O4 + hdkb^h\4H2 (1))H2

Fe3OIhwlhfm4 mjZ\g_gb_ j_Zdpbb fh`gh mkeh\gh ij_^klZ\blvFe2O3. \ \b^_ ^\mo mjZ\g_gbc b ^ey dZ`^h]h khklZ\blv mjZ\g_gb_ we_dljhggh]h [ZeZgkZ

Fe + H2O = FeO + H2↑

2Fe + 3H2O = Fe2O3 + 3H2↑

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Lh _klv ihemqbeb qlh \ j_Zdpbb h[jZah\Zgby `_e_aghc hdZebgu ljb

ZlhfZ `_e_aZ hl^Zxl we_dljhgh\

<hijhk

>ZghP 0J ] H GZclb9\ha^ η 2) = 0,21.

J_r_gb_ AZibr_f mjZ\g_gb_ j_Zdpbb k`b]Zgby fZ]gby

,

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Hl\hj G e

V _l 2 G e

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ijZdl G l hj G e e Hl\V _l 2) = VG 2) ω e

: VijZdl

<hijhk 2

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KZ<hijhk

+ 12HNO3 = 5Ca(NO3)2 + N2↑ + 6H2O.

−

<hijhk

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<hijhk

4Zn + 5H2SO dhgp = 4ZnSO4 + H2S↑ + 4H2O

−

< wlhc j_Zdpbb pbgd ijhy\ey_l \hkklZgh\bl_evgu_ k\hckl\Z

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<hijhk

§ 10 Dhjjhaby f_lZeeh\

MjZ\g_gb_ j_Zdpbb dhjjhabb f_^b

LZdbf h[jZahf f lZeebq_kdbc dhjimk gZ r\Zo gZqZe jZkl\hjylvky b dhjZ[ev mlhgme

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