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Kalor

Diketahui:

• m = massa = 800 g = 0.8 kg
• Q = kalor = 14.4 kJ = 14.400 J
• ΔT = perubahan suhu = 50°C – 10°C = 40°C

Ditanya:

• c = kalor jenis ? (jenis kalor)

Jawaban

Q = m × c × ΔT

c = Q/m × ΔT

c = 14.400/0.8 × 40

c = 14.400/32

c = 450 J/kg°C = Logam Baja ✔