Ile wynosi cieplny przepływ energi przy ogrzaniu masy 1kg wody od 20C do 30C (stopni)?
m = 1 kg
T₁ = 20 C
T₂ = 30 C
ΔT = 30 C - 20 C = 10 C
cw = 4200 J/kg *C
Q = ?
Q = m * cw* ΔT
Q = 1 kg * 4200 J/kg * C *10 C
Q = 42000 J = 42 kJ
m=1kg
c=4200J/kg·°C
Δt=10°C
E=m·c·Δt
E=1kg·4200J/kg·°C·10°C=42000J=42kJ
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m = 1 kg
T₁ = 20 C
T₂ = 30 C
ΔT = 30 C - 20 C = 10 C
cw = 4200 J/kg *C
Q = ?
Q = m * cw* ΔT
Q = 1 kg * 4200 J/kg * C *10 C
Q = 42000 J = 42 kJ
m=1kg
c=4200J/kg·°C
Δt=10°C
E=m·c·Δt
E=1kg·4200J/kg·°C·10°C=42000J=42kJ