Jawabanmu

2014-03-26T11:28:50+07:00
Q= m. c. T
Q=  2,7.460.(80-20
Q=74520 Joule
jadi kalor = 74520 J
2014-03-26T11:29:48+07:00
Q = m . c . ΔT
q = 2,7 kg .460 j/kg C .60 C
q = 74.520 joule
maaf kalo salah yah..