Jawabanmu

Jawaban paling cerdas!
2014-04-24T10:11:04+07:00
Diketahui :
Q = 84 Kj = 84000 Joule
m = 500 gram = 0,5 Kg
t1 = 20°C
c  = 4.200 J/(Kg.K)

Dit : t2 = ?

Penyelesaian :

t = Q / m . c
( t2 - t1 ) = 8400/ 0,5 . 4200
( t2 - 20) = 40
t2 = 40+20
t2 = 60°C

3 5 3
2014-04-24T10:45:15+07:00
Dik: q = 84.000, m = 0,5kg, c = 4200, t = 20 cara: semoga membantu^^