Jawabanmu

2014-04-17T15:26:45+07:00
Ek = 3/2 PV/N 
* mencari nilai N 
N = n x Na 
N = 3 x 6,02 x 10^23 
N = 18,06 x 10^23 molekul/partikel 

Ek = 3/2 P x V/N 
Ek = 3/2 (202 x 10^3 x 20 x 10^-3)/18,06 x 10^23 
Ek = 6060/18,06 x 10^23 
Ek = 335,5 x 10^-23 Joule 
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