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Data didapat dari soal =
T =1200 K, jumlah mol n = 5 dan derajat
kebebasan f = 3 + 4+ 5 = 12
(a) E.k Rata² /molekul
berdasarkan persamaan E.k=
EK = f (1 k T ) = 12 (1) (1,38 x 10-23)
(1200)
= 9.8 x 10-20 J
(b) E.dalam U
pers energi dalam=6
U = N EK = (n NA) EK = (5)(6,02 x 1023)
U=(8,3 x 10-20)
U= 294980 J