Physics for IGCSE & O level - Thermal Effects (Section 3 - No. 47)
If 2 kg of ice at 0°C melts to water at 0°C, how much energy is transferred? (Latent heat of fusion for ice = 336,000 J/kg)
168,000 J
336,000 J
672,000 J
0 J
Explanation
Energy transferred = mass x specific latent heat. Energy = 2kg * 336,000 = 672,000 J
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