}ĿijW(xu)оԌW(xu)(x)СMO(sh)Ӌ(j)(sh)(yn)(yn)CFeCuĽٻ(dng)ɷNՈ(qng)P(gun)(sh)(yn)(xing)Ŀ
СȵFƬ~Ƭքeͬr(sh)ϡϡ}^(gun)a(chn)ݵĿ(j)˴_Ļ(dng)ԣԓԭxӷʽ
FeCu늘OO(sh)Ӌ(j)ԭ늳Դ_Ļ(dng)ԣԇķ(ni)(hu)ԭ늳bÈD(bio)ԭ늳ص늘OϺ늽|(zh)Һ
(xi)늘O(yng)ʽO(yng)ʽؓ(f)O(yng)ʽ
Y(ji)W(xu)֪R(sh)?c)O(sh)Ӌ(j)һ(g)(yn)CFeCu(dng)Եĺ(jin)Ό(sh)(yn)cͬ xӷʽʾ䷴(yng)ԭ
𰸡Fe+2H+TFe2++H22H++2e=H2Fe=Fe2++2eȡo(w)PFCuSO4Һ,F渲wһ~,f(shu)FeCu(dng)ԏ(qing)Fe+Cu2+TCu+Fe2+
⣺Fcϡᷴ(yng)၆F͚xӷʽFe+2H+TFe2++H2ʴ𰸞飺Fe+2H+TFe2++H2
FeCu늘OO(sh)Ӌ(j)ԭ늳أF~ؓ(f)OFO~늽|(zh)Һɞ~}ҺO(sh)Ӌ(j)bÈD ؓ(f)OFFe2+OH+߀ԭH2O(yng)2H++2eH2ؓ(f)O(yng)
Fe=Fe2++2e
ʴ𰸞飺 2H++2e=H2Fe=Fe2++2e
(j)F~ÓQ(yng)O(sh)Ӌ(j)O(sh)Ӌ(j)£FƬCuSO4ҺһΕr(sh)g^(gun)FeмtɫĽ~CFĻԏ(qing)ڽ~(yng)ԭF~xӰl(f)߀ԭ(yng)~Ͷr(ji)Fx(yng)xӷʽFe+Cu2+TFe2++Cu
ʴ𰸞飺ȡo(w)PFCuSO4ҺF渲wһ~f(shu)FeCu(dng)ԏ(qing)Fe+Cu2+TCu+Fe2+
(j)Fcķ(yng)(xi)xӷʽ
FeCu늘OO(sh)Ӌ(j)ԭ늳أF~ؓ(f)OFO~늽|(zh)Һɞ~}Һ
(j)F~֮gÓQ(yng)O(sh)Ӌ(j)
ĿлW(xu) (li)Դ }ͣ
}ĿDP(gun)ڷ(yng)A2g+3B2g2Cg(yng)şᷴ(yng)ƽƄ(dng)DӰƽƄ(dng)ԭǣ
A.ߜضͬr(sh)Ӊ
B.͜ضȣͬr(sh)p
C.(yng)ͬr(sh)pС
D.(yng)ͬr(sh)ʹô
鿴𰸺ͽ>>
ĿлW(xu) (li)Դ }ͣ
}ĿN2H4һNЧ坍Ļȼϣ0.25mol N2H4gȫȼɵ?d)͚B(ti)ˮr(sh)ų133.5kJtПữW(xu)_ǣ
A. N2H4g+
O2g=
N2g+H2OlH=+267kJmol1
B.N2H4g+O2g=N2g+2H2OlH=133.5kJmol1
C.N2H4g+O2g=N2g+2H2OgH=+534kJmol1
D.N2H4g+O2g=N2g+2H2OgH=534kJmol1
鿴𰸺ͽ>>
ĿлW(xu) (li)Դ }ͣ
}ĿSn ԪλԪڱIVA 壬SnCl4ýȾʹI(y)ϳȚca300淴(yng)ƂSnCl4SnCl4 OˮSnCl2SnCl4һЩ픵(sh)(j):
|(zh) | B(ti) | c(din)/ | c(din)/ |
Sn | yɫw | 232 | 2260 |
SnCl2 | o(w)ɫw | 246 | 652 |
SnCl4 | o(w)ɫҺw | -33 | 114 |
búϳȻa(Ab)ע:ڃx3 и0.6 mL(sh)(yn):
I.ѸăxDʾbBӺڃx1мB mL}ڃx2м2.0g KMnO4ڃx5м23wSn
II._(ki)}a(chn)Cl2M(mn)bȻӟSnɵSnCl4ռڃx6
III.Sn(yng)ꮅֹͣӟͬr(sh)ֹͣμ}ᣬȡx6Ѹww
Ո(qng)ش:
(1)(xi)xȯ2аl(f)W(xu)(yng)ʽ________________________
(2)f(shu)_______
A.bBӺãˎƷǰҪzbõĚ
B.a(chn)Cl2ȳM(mn)b@ʡ
C.Б(yng)}ĵʣ̫Ҳ̫
D.x6 ñˮԡsҲȻs
(3)x7 ŵԇ____________________________________________________________
(4)SnCl4ڿ՚cˮⷴ(yng)ɰɫSnO2xH2Ow߀Կ___________________F(xin)W(xu)ʽ___________________________________
(5)(jng)y(c)a(chn)ƷкSnCl2,ܵԭ___________( ûW(xu)ʽʾ)
(6)a(chn)ƷкSnCl2y(c)SnCl4ȵķ:ȡ0.400 ga(chn)Ʒ50 mLϡ}Һָʾ0.0100mol/L⛘(bio)(zhn)ҺζKc(din)Ę(bio)(zhn)Һ8.00 mL(yng)ԭ:3SnCl2+ KIO3+ 6HCl==3SnCl4+ KI+ 3H2OДζKc(din)(j)______________________________a(chn)Ʒļ Ȟ___________________________________
鿴𰸺ͽ>>
ʡ(lin)W(wng)`ͲϢe(bo)ƽ_(ti) | W(wng)кϢe(bo)(zhun)^(q) | p_e(bo)(zhun)^(q) | vʷ̓o(w)xкϢe(bo)(zhun)^(q) | ֙(qun)e(bo)(zhun)^(q)
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