Jawabanmu

2014-07-22T13:56:52+07:00
Dik : T1  :  157*C = 430 *K
 T2 = 57*C = 330* K
 n = 1 -  \frac{T2}{T1} x 100%
n = 1 - \frac{330}{430} x 100%
n = 23,25 %