Specific latent heat (AQA GCSE Physics): Flashcards
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Define specific latent heat
Define specific latent heat
Energy needed to change state of 1 kg of a substance
Temperature during state changes
Temperature during state changes
Stays constant
What is specific latent heat of fusion?
What is specific latent heat of fusion?
Energy needed for solid ↔ liquid change
What is specific latent heat of vaporisation?
What is specific latent heat of vaporisation?
Energy needed for liquid ↔ gas change
Specific latent heat of fusion for water (J/kg)
Specific latent heat of fusion for water (J/kg)
Specific latent heat of vaporisation for water (J/kg)
Specific latent heat of vaporisation for water (J/kg)
Why vaporisation needs more energy than fusion
Why vaporisation needs more energy than fusion
Gas particles much further apart, must overcome more forces
Equation for thermal energy in state changes
Equation for thermal energy in state changes
In , what is ?
In , what is ?
Thermal energy (J)
In , what is ?
In , what is ?
Mass (kg)
In , what is ?
In , what is ?
Specific latent heat (J/kg)
Specific heat capacity vs specific latent heat
Specific heat capacity vs specific latent heat
Heat capacity: temp change; latent heat: state change