Why is ice at 273 k more

Give a reason for the following observations : a Naphthalene balls disappear with time without leaving any solid. What is the physical state of water at: a. Convert the following temperature to Celsius scale. Solution: Cooling takes place when heat is removed from a system. In case of ice at 0 0 C , it will first take heat latent heat from the medium to convert itself into water at 0 0 C and then into water at higher temperature.

In short, in case of ice at 0 0 C , there will be change in phase so more energy will be required, whereas in case of water at 0 0 C , there will be no change in phase. It is because of the difference in the latent heat of fusion which is present in water at the same temperature in the form of extra energy. To change a temperature on the celsius to kelvin. Add to given temperature. Give reason for the following observations. Naphthalene balls disappear with time without leaving any solid.

Naphthalene shows the property of sublimation. Evaporation of naphthalene takes place easily and so it disappears during course of time without leaving any solid. To change a temperature on the celsius scale to kelvin scale. Com M. Go To Your Study Dashboard. Post Answer. M manish. Water does not absorb this extra heat from the medium. Thus the cooling effect of ice is more than water at the same temperature.

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