physics year10 mocks

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9 Terms

1
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the total energy stored by the particles making up a substance or system
what is internal energy?
2
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it is made up of the gravitational potential energy and the kinetic energy
what is internal energy made up of?
3
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thee amount of energy needed to heat 1kg of a substance by one degree
what is specific heat capacity?
4
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because some of the energy is lost to its surroundings
why wont the energy made in the calculation, change in thermanl heat capacity, actually occour?
5
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the energy that were providing is being used to weaken or break/make the particles holding it together
why is the line still?
why is the line still?
6
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the amount of energy needed to change states
what is latent heat?
7
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* type of substance
* amount of substance
what two factors affect latent heat?
8
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the amount of energy needed to change 1kg of a particular substance from one state to another, without changing its temperature
what is the definition of specific latent heat?
9
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specific latent heat = energy / mass
what is the equation for specific latent heat?