Jawabanmu

2014-04-27T08:37:34+07:00
Q1=Q2
m.c.ΔT=m.c.ΔT (karena kalor jenisnya sama (air) di coret aja)
m.(T1-TC)=m.(TC-T2)
2.(100 ^{o} -TC)=18.(TC-25 ^{o}
200-2TC=18TC-450
200+450=18TC+2TC
650=20TC
TC= \frac{650}{20} =32,5 ^{o}
2014-04-27T08:49:11+07:00