1. :
) 3Fe + 42() = Fe3O4 + 42(); ) () + 2() = 2();
) () + 22() =3(); )2r () + 12() =213().
2. : 22()+2()=22():
3. SO2() + 2H2S() = 3S() + 22() 234,50 . () H2S(), ∆H298(SO2)= 296,9 /; ∆0298(2()) = 285,8 /.
4. :
4NH3() + 32() = 2N2() + 62(); ∆Ͱ = 1528.
NH3(), ∆Ͱ298(2())= 285,8 /.
5. (∆Ͱ298):
Fe2O3 + 2A1 = 2Fe + 123, ∆Ͱ298(123)= 1676,0 /; ∆H0298(Fe2O3)= 822,2 /.
6. :
NaH()+ 2()= NaOH()+ 2() , , ∆H298(NaH) = 56,94 /, ∆Ͱ298 (NaOHp) = 469,47 /, ∆0298(2) = 285,8 /.
7. As2O3
As2O3 + O2 = As2O5, ΔH = 271,
3As2O3 + 23 = 3As2O5, ΔH = 1096,
.
8. ΔG , ΔG :
) l2() = CO() + Cl2(); ) SO2() + NO2() = SO3() + NO().
.
9. 1 , , 58,2 . 22(), 2 2() 393 286 /.
10. 12,7 (II) ( ) 8,24 . ∆0298 u.
11. : () + 2() = 3(). ?
12. ∆, ∆S, ∆G : 22() + 2() = 22(), 298 . ∆G ?
13. ∆ G 298 , 25 :
) NiO() + b() = Ni() + b(); ) b() + u() = b() + u();
) 8l() + 3Fe3O4() = 9Fe() + 4123().
14. 298 : CaO, FeO, CuO, b, Fe2O3, Cr2O3?
15. ∆0298 : ) 6126 () =225 ()+ 2CO2();
) 6126 () + 62 () =62 ()+ 6CO2().
?
4. . .
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υ = ∆/∆t ( / ),
υ ; ; ∆ ; t .
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υ = ∆n/∆t S ( / 2),
n ; ∆t t1 t2; S .
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