state four natural consequences of high specific latent heat of fusion of ice.
Answers
Answer:
1. When we add ice to an already cold drink, only some of the ice melts, not all of it. This is because the soda does not contain enough energy as heat to overcome the latent heat of fusion of the ice.
2. When a pot of water is kept boiling, the temperature remains at 100°C(212°F) until the last drop evaporates, because all the heat being added to the liquid is absorbed as latent heat of vaporization and carried away by the escaping vapour molecules.
3. While ice melts, it remains at 0°C(32°F), and the liquid water that is formed with the latent heat of fusion is also at 0°C.
4.Due to high specific latent heat of fusion of ice, snow on the mountains does not melt all at once but changes into water slowely as it gets heat from the sun.
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Answer:
Latent heat (also known as latent energy or heat of transformation) is energy released or absorbed, by a body or a thermodynamic system, during a constant-temperature process — usually a first-order phase transition.
Latent heat can be understood as energy in hidden form which is supplied or extracted to change the state of a substance without changing its temperature. Examples are latent heat of fusion and latent heat of vaporization involved in phase changes, i.e. a substance condensing or vaporizing at a specified temperature and pressure.[1][2]
The term was introduced around 1762 by Scottish chemist Joseph Black. It is derived from the Latin latere (to lie hidden). Black used the term in the context of calorimetry where a heat transfer caused a volume change in a body while its temperature was constant.