PH-761
Latent heat
Physics · Secondary 3 · Hard · Latent heat
A 0.50 kg block of ice at 0 °C is melted completely by a heater that supplies energy at a constant rate of 200 W for 210 s. Assuming no heat loss, what is the specific latent heat of fusion of ice?
- 4.2 × 10^3 J kg⁻¹
- 8.4 × 10^3 J kg⁻¹
- 4.2 × 10^4 J kg⁻¹
- 8.4 × 10^4 J kg⁻¹
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