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:
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ü , .
ü (Po) ( νi).
ü ( ) , (ci) (ci) .
, , , .
22
() + 2() = 2() Δr0298 = 172,5 >0
- , , () .
:
) , .. ∆rH0298 > 0 ( );
) , . ( ).
) 2 ( )- ( ) (ci) .
23
()+2()=2() (Δr0298 = 172,5 , ∆r S0298 = . 175,66 /) = 1000 :
) - ∆ rG01000
) 2 =10-4 2 = 1 - ∆ rG1000 (1)
) 2 =1 2 = 10-4 - ∆ rG1000 (2)
. ?
|
|
) , . . 2 1, Δ rG0 = ∆ rH0298 - T ∆ rS0298 ( ∆ r 0 = 0, .. ∆rH0 = ∆ rH0298 ∆rS0 = ∆ rS0298 - )
=1000 Δ rG01000 = 172,5 - 1000 ∙175,66 . 10 -3 = -3,16 ˂ 0 =1000
) ΔrGT :
ΔrG = ∆rG0 + RTln
=1000 ΔrG1000 = ∆rG01000 + RTln
ΔrG1000 (1) = -3,16 + 8,31 . 10 -3. 1000 ln(1/10-4) = 73,3 ˃ 0 =1000 .
) 2 =1 2 = 10-4 : ∆ rG1000 (2) = ∆rG01000 + RTln
∆rG1000 (2) = -3,16 + 8,31 . 10 -3. 1000 ln[(10-4).2/1] = -156,06 ˂ 0 = 1000 .
∆rG1000 (2) ˂ ∆ rG01000 ˂ 0 ˂ Δ rG1000 (1)
: ∆ rG1000 (2) ˂ ∆ rG01000 ˂ 0, 2 , : ∆ rG1000 (1) ˃ 0 ˃ ∆ rG01000 =10-4 2 = 1 .
-
- . ,
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S0:
S0 = S/ V, 2-3 S0= S/ m, 2-1
( S0, ( , , , ( ; S0 400 900 2 -1)
- - ( ): []=[/2]; [/2]; [/ ]
: .
- ( ); (D 298 = (8 20)/); - ↑ (, : 2, 2,; l2, Cl2, ).