In an experiment t0 determine the specific latent heat of fusion of ice an ice cube is dropped into water that is contained in a well-insulated calorimeter of negligible specific heat capacity: The following data are available: Mass of ice cube 25g Mass of water 3509 Initial temperature of ice cube =0 C Initial temperature of water =18 'C Final temperature of water =12 C Specific heat capacity of water = 4200Jkg 'K-1 (a) Using the data, estimate the specific latent heat of fusion of ice. (b) The experiment is repeated using the same mass of crushed ice Suggest the effect; if = any: of crushing the ice on the final temperature of the water: the time it takes the water t0 reach its final temperature.

Sensible heat as defined as the quantity of warmth or energy needed to raise a substance's temperature without altering its phase. Latent heat is the quantity of heat absorbed or emitted during phase transition at a constant temperature.

What is latent heat, for instance?

Because all heat given to a solution is taken as latent heat and transported away by the exiting vapour molecules, the temperature of a pot of water, for instance, maintains at 101 °C (212 °F) till the last drop evaporates.

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