Melt the Ice

Classical Mechanics Level 1

Some ice at 0 ∘ C 0 ^\circ \text{ C} is heated. Just after it melts completely, what can be said about the temperature of the water formed?


Note: It is assumed that the water formed is not gaining heat energy from, or losing heat energy to, anything else except the ice.

Less than 0 ∘ C 0 ^\circ \text{ C} Equal to 0 ∘ C 0 ^\circ \text{ C} Greater than 0 ∘ C 0 ^\circ \text{ C}

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Rohit Gupta by Rohit Gupta , 34, India

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1 solution

Ashutosh Sarkar
Jan 31, 2017

It will be equal to 0°C because Latent heat of fusion takes place one it completely melts ...Till the time water gets completely converted into Solid or liquid state it remains at 0°C

3 Helpful 0 Interesting 0 Brilliant 0 Confused

Right, any heat that we supply is used to break the bonds in ice only, which causes it to melt. So the temperature of the system stays at 0 ∘ C 0^\circ\text{C} until there is some ice present. Only after all the ice has melted, the heat is used to increase the average kinetic energy of the system, and that is when the temperature starts increasing.

Pranshu Gaba - 4 years, 4 months ago

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