Question

Benda bermassa 2000 gram dengan suhu 20°c menerima kalor sebesar 180 kj. Kalor jenis benda 900 j/kg°c suhu akhir benda adalah..

jawab pake caranya yakk​

Answer 1

Diket :
m = 2000 gr = 2 kg
T1 = 20°C
C = 900 j/kg
Q = 180 kj = 180000 j
T2 = ?

Q = m.C.DeltaT
180.000 = 2 . 900 . (T2-20)
180.000 = 1800(T2-20)
180.000/1800 = T2-20
100 = T2 - 20
T2 = 120°C