ΔͰ298 . (2, 2, ..) ΔͰ298 .
, ΔͰ298 (2) = -286 / , 1 2 () + ½ 2 () 2() 286 .
, , .
2.3
, , . (1840) ( 4 5), , , .
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Δ= Δ1+ Δ2+ Δi (5)
. , Δ, . , .
1. ,
() + 2 () 2 () Δ1 = -393
2 () + 2 () 22 () Δ2 = -282
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() + 2 () 2 ()
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()
Δ1= Δ + Δ2
Δ = Δ1 Δ2 = - 393 (-282) = -111 /
, (), - .
1-
.
Δ = - Δ (6)
, , . ,
+ ΔͰ298 () = -100 /
+ ΔͰ298 () = -300 /,
. , , .
2- ( , 4)
.
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Δ - = Σ i ΔͰ298 Σ i ΔͰ298 . -
2
26 () + 2 () 24 ()
(ΔͰ298)
26 () + 2 () 24 ()
ΔͰ298, / -84,7 0 -74,8
(4),
ΔͰ- = 2ΔͰ (4) [ΔͰ (26) + ΔͰ (2)]
ΔͰ- = 2∙(-74,8) (-84,7 + 0) = - 64,9 /
: ΔͰ- < 0, .
2.4. -
: