Topic 3 Specific Latent Heat Flashcards

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1
Q

What is energy needed to change a state called

A

Latent heat

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2
Q

What is specific latent heat

A

The energy required to change the state of 1kg of material without changing its temperature

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3
Q

What is the specific latent heat between a solid and a liquid (melting or freezing)

A

Specific latent heat of fusion

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4
Q

What is the specific latent heat between gas and liquid called (evaporating, boiling, condensing )

A

Specific latent heat of vaporisation

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5
Q

When a substance is condensing or freezing what happens

A

Bonds are forming so the internal energy decreases but doesnt go down until all the the substance has turned to liquid

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6
Q

For cooling what is slh

A

The energy released by the change in state

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7
Q

What happens during the flat part of the line

A

The pd increases

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