Jawabanmu

2014-03-29T20:22:44+07:00
A. Energi Kinetik Rata2
T = 27 C = 300 K

Eko = 3/2 kT
Eko = 3/2 1,38 x 10^-23 x 300
Eko = 3/2 x 4,14 x 10^-21
Eko = 6,21 x 10^-21 m/s

b. Energi Dalam

Cv = 3/2 nR
Cv = 3/2 x 1 x 8,31
Cv = 12,465

U = 12,465 x 300 = 3740 J