, :
1) , ;
2) , .
, , .
, , , . , , , . ( ) .
1. 3 / 4 / .:
H2 () + I2 () ⇆ 2 HI ()
1 /. .
,
.
, , 1 /. , 1 / HI, , , , .. 0,5 /. , :
.(H2)= C.(H2) - C.(H2) = 3 / - 0,5 / = 2,5 /;
.(I2)= C.(I2) - C.(I2) = 4 / - 0,5 / = 3,5 /.
.(HI) = 1 /,
2. , H2 () + I2 () ⇆ 2 HI (), , H2 I2 5 / 3 / , 1.
. - x . x / , , x /, 2x /. :
|
|
.(H2) = C.(H2) - C.(H2) = (5 - x) /;
.(I2) = C.(I2) - C.(I2) = (3 - x) /;
.(HI) = 2x /.
, , , x .
3x2 + 8x - 15 = 0
x1 = -3,94 x2 = 1,27
x = 1,27. :
.(H2) = (5 - x) / = 5 - 1,27 = 3,73 /;
.(I2) = (3 - x) / = 3 - 1,27 = 1,73 /;
.(HI) = 2x / = 21,27 = 2,54 /.