Jawabanmu

2014-03-25T21:27:00+07:00
Q=mcdeltaT=800*0, 5*(0-(-12))=4800 kal
3 3 3
2014-03-25T21:37:45+07:00
Q= m.c. delta T m= 800 gr c= 0,5 kal/gr delta T = 0- (-12) = 800 x 0,5 x -12 = -4800 kal
maaf 4800 deh ga pakai -
saya lupa 0- (-12) nya jadi positif