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m = 5 kg
Q = 10500 J
ΔT = 1⁰C
Rozw.:
Q = m × Cw × ΔT
Cw = Q / m × ΔT = 10500J / 5 kg × 1⁰C = 2100 [J/kg × ⁰C]
m=5kg
Δt=1°C
Cwł=?
Cwł=E/m•t
Cwł=10500/5•1 = 2100 J/kg•°C
Odp.: Ciepło właściwe nafty wynosi 2100 J/kg°C.