THE PRACTICE STUDIO
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PRACTICE / Latent heat
Energy that changes phase
Ice of mass 0.050 kg is already at 0°C. Its latent heat of fusion is 3.2 × 10⁵ J/kg.
Find the heat needed to melt it completely at 0°C.
Organize the givens & assumptions
- m = 0.050 kg
- Lf = 3.2×10⁵ J/kg
Ice starts at its melting point; ordinary fixed pressure; all supplied heat goes to fusion, with no warming or losses.
- A
- B
- C
- D
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