Jawabanmu

2014-02-06T18:35:18+07:00
Q = m.c.deltaT( T2-T1)
180 = 2000.900. (T2-20)
180 = 1.800.000. 20T2
10.000 = 20T2
10.000 : 20 = T2
500 = T2( Suhu Akhir)