.
Q = H H = ∆H
, - , .
2. - (V, = const)
= ∆ V = 0 Q = ∆U
. ∆H < 0, ∆U < 0
. ∆H > 0, ∆U > 0
:
1 = 101,325 = 760...
298 ≈ 250
1
∆0
0
∆H0 (2) = 0, ∆H0 (3) = 142,2 /
1
.
2(.) + 32() + 0,52() = 25() + 277/
:
(.. ) , , .
Ѡ ∆H = ∆1 + ∆H2
∆H1 ∆H2
∆H
:
.
:
∆H = Σ ν ∆H(Y) - Σ ν ∆H(X)
∆H(X), ∆H(Y) X Y
ν , ν .
.
:
∆H = Σ ν ∆H(X) - Σ ν ∆H(Y)
∆H(X), ∆H(Y) X Y
ν , ν .
.
, .
∆H = - ∆H
. , . ; , , .
|
|
, , , N, S, P. 6 () 26 (Na, K, Ca, Mg, Cl, Fe, F ..) (, Si, Al, V, Cr, Mn, Ni, Cu ..). 78 ; 44 ; 38 .
. - , , , .