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Define
Specific Heat Capacity |
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Definition
The energy required per unit mass of a substance to change its state without any change in temperature (Jkg-1) |
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The process by which a liquid becomes a gas, at a temperature below its boiling point |
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The sum of the random distribution of the kinetic and potential energies of the atoms or molecules in a system |
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Define Latent Heat of Fusion |
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The energy absorbed by a substance to change its state from solid to liquid without any change in temperature |
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Define Latent Heat of Vapourisation |
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The energy absorbed by a substance to change its state from liquid to gas without any change in temperature |
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Define Specific Latent Heat |
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The energy required per kilogram of the substance to change its state without any change in temperature (Jkg-1) |
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Energy transferred from one object to another because of a temperature difference; another term for heat energy |
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Define Thermal Equilibrium |
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A condition when two or more objects in contact have the same temperature so that there is no net flow of energy between them |
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Define Thermodynamic Scale |
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A temperature scale where temperature is measured in kelvin (K) |
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What does the Kinetic Model allow us to explain? |
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Definition
Allows us to explain behaviour and macroscopic properties in terms of the behaviour of molecules |
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How will temperature affect the internal energy of an object? |
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At which temperature do all substances have minimum internal energy? |
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What is the word equation for Specific Heat Capacity? |
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(Energy Supplied)/ (mass x temperature) |
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Describe and draw any apparatus of an experiment that would allow one to find the Specific Heat Capacity of a substance |
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Discovered by Robert Brown, this is a theory that supports the Kinetic Theory and can be observed using smoke particles under a microscope |
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