Question

Cara no 12 ya..tlng bantu..thanks

Answer 1

M= 1 kg
c = 900 J/Kg C
T awal = 30 C
Q = 45 kJ

Q = m.c.(T akhir - T awal)

45,000= 1 . 900 (T akhir - 30)
50 = T akhir - 30
T akhir = 50 + 30 = 80 Celsius