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Why is ice at 273K more effective in cooling than water at the same temperature?
Ice at 273K is more effective in cooling than water at the same temperature as ice takes latent heat from the substances for melting.
Latent heat is a form of internal or potential energy stored by evaporated or melted water. A total of 334 J of energy are required to melt 1g of ice at 0°C, which is called the latent heat of melting.
So, at 0°C, liquid water has 334 J/g more energy than ice at the same temperature. Hence, ice cools the substances more effectively than water at the same temperature.
[Extra information: Anything that occupies space and has mass is known as Matter. Matter exists in three forms – solid, liquid, and gas. Gases, liquids and solids are all made up of atoms, molecules, and/or ions, but the behaviors of these particles differ in the three phases.
Solids have a definite shape and volume as the atoms in a solid are tightly packed, usually in a regular pattern.
Liquids have a definite volume, but take the shape of a container, as the atoms in liquid are close together with no regular arrangement.
Gases have no definite shape or volume. The atoms in the gas are well separated with no regular arrangement.
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