Kaca yg bermassa 2 kg dan bersuhu 40°C dipanaskan hingga suhunya menjadi 80°C hitung kalor yg dibutuhkan untuk menaikkan suhu kaca tersebut apabila kalor jenis kaca 840J/kg°C?
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Q = m × c × ∆T
Q = 2 × 840 × (80-40)
Q = 2 × 840 × 40
Q = 67.200
Maaf kalau salah
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