tolong yg bisa jawab

a. Urutan nya: Aluminium , Gelas, Besi, Tembaga, Perak

b. Dik:
C.gelas = 0,16 kal/g°C
m = 100 g
Q = 120 kal
T = 25°C
Dit: T• (Suhu akhir) ?

Jawab:
Q = m. c. (T - T•)
120 = 100. 0,16 (25 - T•)
120 = 16 (25 - T•)
120 = 400 - 16T•
16T• = 400 - 120
16T• = 280
T• = 280/16
T• = 17,5°C