Specific latent heat

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Specific latent heat
the amount of energy needed to change the state of a substance (water)
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Melting
The substance changes from a solid to a liquid
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Freezing
Tthe substance changes from a liquid to a solid
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Vaporisation
The substance changes from a liquid into a vapour
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Condensation
The substance changes from a vapour to a liquid
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Changing the state rule
When a substance is changing its state, the temperature of the substance remains constant. For example boiling water at 100 °C on changing state becomes steam (vapour) at 100 °C as the energy is needed to break or make bonds.
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Specific latent heat equations
SLH = E / M E = SLH x M M = E / SLH
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Card 2

Front

Melting

Back

The substance changes from a solid to a liquid

Card 3

Front

Freezing

Back

Preview of the front of card 3

Card 4

Front

Vaporisation

Back

Preview of the front of card 4

Card 5

Front

Condensation

Back

Preview of the front of card 5
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