3.3 - specific latent heat
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Flashcardswhat is the energy measured in for specific latent heat?
joules per kilogram (J/Kg)
what is the formula for specific latent heat?
energy (e) = mass (m) x specific Latent Heat (s)
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10 Terms
what is the energy measured in for specific latent heat?
joules per kilogram (J/Kg)
what is the formula for specific latent heat?
energy (e) = mass (m) x specific Latent Heat (s)
what is the mass measured in?
kilograms (kg)
what happens when a substance reaches its melting or boiling point?
the energy is used to weaken or break the bonds holding the particles together
what happens when a substance is cooling to change state?
there is a formation of new bonds which release energy. this counteracts the cooling to keep the temperature constant
what does specific latent heat depend on?
type of substance and the amount
what is specific latent heat?
the energy required to change 1kg of a substance from one state to another without changing the temperature
what is the specific latent heat for cooling?
the energy released by a change in state
what is the specific latent heat of vaporisation?
energy change when a substance changes between a liquid + gas
what is the specific latent heat of fusion?
energy change when a substance changes between a solid + liquid