Kalor jenis air 1 kkal /kg derajat celcius.Apabila 1 kkal diberikan pada 400 gram air,berapa kenaikan suhu air itu?
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Q=mc(Δt)
1kkal = 0,4kg × 1kkal/kg°C×(Δt)
Δ t= 1/0,4= 10/4
=2,4°C
1 kkal = 0,4 kg . 1 kkal/kg°C . Δt
1 kkal = 0,4 kkal/°C . Δt
Δt = 2,5°C