Question

11. What is meant by saying that the latent heat of fusion of ice is 3.34 x 105 J/kg ?​

Answer 1

Answer:

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• it is defined as the amount of heat energy required to change 1 kg of solid into liquid at atmospheric pressure without any change in the temperature at its melting point.

• it is observed that latent het of fusion of ice is 3.34×10⁵j /kg or 80 kcal/kg.

• ice at 273 K is more effective in cooling than water at 273 K . This is due to the reason that for melting each kilogram of ice absorbs latent heat of 3.347×10⁵ joules from the substance hence cools the substance more effectively.

Answer 2

Answer:

look below

Explanation:

The latent heat of fusion of ice is 3.34 $10^{5}$x  J\Kg means that 3.34 x $10^{5}$J of heat is required to change 1kg of ice into water at its melting point at the same temperature.

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