How much energy does a freezer need to remove from 1.2 kg of water at 20°C to make ice at -6°C? [Sp

Question

How much energy does a freezer need to remove from 1.2 kg of water at 20°C to make ice at -6°C?

[Specific heat capacity of water = 4200 Jkg⁻¹K⁻¹, Specific heat capacity of ice = 2100 Jkg⁻¹K⁻¹]

[Latent heat of fusion of ice = 334000 Jkg⁻¹]

Answer 1

How much energy does a freezer need to remove from 1.2 kg of water at 20°C to make ice at -6°C?

[Specific heat capacity of water = 4200 Jkg⁻¹K⁻¹, Specific heat capacity of ice = 2100 Jkg⁻¹K⁻¹]

[Latent heat of fusion of ice = 334000 Jkg⁻¹]

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