Jawabanmu

2014-01-08T17:49:43+07:00
Q=m c deltaT
Q= (2 x4200 x70 ) Joule x 0.24 kalori
Q= 1411.2 kalori
2 4 2
2014-01-08T18:54:49+07:00
Q = m. c. (delta t)
jadi isiannya 588 kj
1 3 1