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Where does energy flow from and to?
A warmer to a colder body
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What is heat a measurement of?
Internal energy
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What is specific heat capacity?
Energy needed to raise the temperature of 1kg by 1 degrees
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What is specific heat capacity measured in?
Joules per kilogram degree celsius
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Equation for energy transfer by specific heat capacity?
Energy transferred = mass x specific heat capacity x temperature change
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What is specific latent heat?
The energy needed to melt/boil 1kg of the material
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What is specific latent heat measured in?
Joules per kg
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How do double glazing windows reduce energy loss?
Conduction, the space between is filled with gas or contains a vacuum. The particles are very far apart so it is difficult to transfer energy
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Equation for density
Mass/Volume
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Equation for efficiency
Useful energy output (x100%) / Total energy input
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Other cards in this set

Card 2

Front

What is heat a measurement of?

Back

Internal energy

Card 3

Front

What is specific heat capacity?

Back

Preview of the front of card 3

Card 4

Front

What is specific heat capacity measured in?

Back

Preview of the front of card 4

Card 5

Front

Equation for energy transfer by specific heat capacity?

Back

Preview of the front of card 5
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