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From Karnataka Open Educational Resources
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, 07:50, 11 May 2016
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| ===Learning objectives=== | | ===Learning objectives=== |
| * The capacity to hold Heat is different for different substances.This capacity of a substance to hold heat is expressed by a quantity called Thermal capacity/Heat capacity. Due to this property, either adding or removing heat from a substance can change its physical state. | | * The capacity to hold Heat is different for different substances.This capacity of a substance to hold heat is expressed by a quantity called Thermal capacity/Heat capacity. Due to this property, either adding or removing heat from a substance can change its physical state. |
| + | * When a substance changes its physical state, there will be no change in the structure of its molecules.The nature of the molecules of a substance will be same irrespective of its physical state.When a change of state occurs, then there will be a change in the attraction between the molecule distance and kinetic energy of the molecules will change. |
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| #Defines heat capacity and specific heat. | | #Defines heat capacity and specific heat. |