: , 50 1:4 .
(− = Q) , . :
4()+ 22 = 2() + 22()
226() + 6 2() + = 22() + 62()
, / | , / | , / | , / | ||||
4() | −74,85 | 2 | 2() | −393,51 | 2() | 241,81 |
, :
Q= −[ +2 − ] =
= [(−393,51)+2(−241,81)−(−74,85)] = 802,28 /.
1 3 :
Q, = (Q×1000)/24,45,
24,45 = 298 K.
1 3 :
Q, (4) = 802,28×1000 / 24, 45 = 32813,01/3.
, / | , / | , / | , / | ||||
226() | −84,67 | 2 | 2() | −393,51 | 2() | 241,81 |
1 :
Q= −[ +2 − ] =
= [1(−393,51) + 3(−241,81)− (−84,67)] = 1034,27 /.
13 :
Q, = (Q×1000)/24,45,
24,45 = 298 K.
1 3 :
Q, (26) = 1034,27×1000 / 24,45 = 42301,4/3.
50 1:4 (10 40 ), 50 :
Q = 32813,01 × 10-2 + 42301,4 × 410-3 = 497,34 .
50 1:4 497,34 .
, , - , , -:
D rG = D r - . D r S ,
D r - ( = const) T; D r S - , :
, () D r () D r S .
, , :
) < 0; > 0 < 0 , ;
) < 0; < 0 < 0 , .. ;
|
|
) > 0; > 0, > 0 . , ;
) > 0; < 0 - , .
D rG = - R T ln Kr,
Dr G - , 1 ; R - , 8,314 /(K); T - , K; K r - , .