8/13/2019 Ficha-Cap.5-2013-2014-QFB.pdf

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A ,

AD 3 ( ) + H 42 + H+ ( ) < = > A 4 ( ) + H 2 ( )

∆ = 31.4 1 310 = 7.0. :

A 4 ( ) = 1.0 10 3 3 , AD 3 ( ) = 1.0 10 5 3 , H 42 ( ) = 1.0 10 3

3 = 7.2.

C ∆ A , 310 .

C A ,

A 4 ( ) + H 2 ( ) < = > AD3 ( ) + H 2 4 ( ); ∆ = − 31.4

1 , 310 = 7.0 ,

C6H12 6 ( ) < = > 2 CH3CH HC H( ); ∆ = − 218 1, 310 = 7.0.

) C .) 75 % A

. , , 10.0 10 3 . 3

15.0 10 2 . 3 . C , , , . A: D

.

D , A . A

A .C , 310 , .

: A ∆ = − 31.4 1 , 310 = 7.0.

, A . , 310

, G A

− 50.5 1

. A 2 .D ( )/ ( ) , 310

, .

E A

ADH. ADH, A , :

ADH( ) + H + ( ) + 1/2 2( ) AD+( ) + H 2 ( ); ∆ = − 219.2

1

∆ = − 219.2 1

( = 310 , H = 7.0, 2 = 2.0265 104

D ∆ ( ), 298.15 .