Jawabanmu

2014-01-11T22:59:19+07:00
Q = m x c x (T2-T1)
= 4 kg x 0,16 kkal/kg C x 30 C
= 19,2 kkal 
C= m x c
= 4kg x 0,16 kkal/kg C
= 0,64 kkal/ C
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