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6.5 ; specific latent heat

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User has deleted their subject information Flashcards on 6.5 ; specific latent heat, created by Deleted user on 12/03/2018.
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Farha Idrees
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Farha Idrees
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Question Answer
Energy added can do two things. What are they? 1. increase kinetic energy 2. break/make bonds
potential energy = = intermolecular forces
What is latent heat? the energy needed for a substance to change its state and break its bonds, without changing the temperature
define specific latent heat the amount of energy required to melt/boil 1kg of a substance without changing its temperature
What is the formula for latent heat? specific latent heat = energy / mass
The amount of energy required to change the state of a sample depends on what? 1. the substance 2. the state change 3. the mass
define specific latent heat of fusion the energy needed to change the state of 1kg of a substance from solid to liquid
define specific latent heat of vaporisation the energy needed to change the state of 1kg of a substance from liquid to gas
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