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Answer:
The temperature remains constant during change of state as during the process of changing state, only enough heat to change state is provided...These amounts can only change state and not temperature....This type of heat is known as Latent heat.
Latent is another word for hidden
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QUESTION 15
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Why the temperature remains constant during the change of state
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The energy in the form of heat which is supplied to the body is used in the breaking of the bonds to change its State. when changing from low energy state to high energy state
The energy in the form of heat which is released out is released when bonds r formed to change the state . when changing from high energy state to low energy state.
so net change in temperature is zero bez the heat received and released is always used.
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THE HEAT WE R SUPPLYING TO THE WATER TO RAISE THE TEMP OF THE WATER IS USED BY THE MOLECULES TO BREAK INTERMOLECULAR BONDS WHICH HELP IN THE CHANGING OF THE LATTICE (STRUCTURE) OF THE WATER .
ICE HAS A HEXAGONAL RING LIKE STRUCTURE WHICH IS CONVERTED INTO REGULAR CRYSTALLINE STRUCTURE WHICH CAN ONLY BE FORMED WITH THE HELP OF FORMATION OF NEW BONDS AND BREAKDOWN OF OLDER ONES
THE AMOUNT OF ENERGY WHICH IS USED IN CONVERSATION OF THE STATE OF FROM SOLID TO LIQUID IS KNOWN AS LATENT HEAT OF FUSION.
SO TEMP REMAIN CONSTANT DURING CHANGE IN STATE .
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