Matter Flashcards 2- Changes of state

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Change of state

Back

The process of moving from one physical state to another, for example, melting.

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Chemical reaction

Back

Process in which substances react to form different substances.

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Degree Celsius (°C)

Back

A unit of temperature.

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Density

Back

Mass/volume, usually measured in kg/m³.

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Internal energy

Back

The energy of a system because of the arrangement and movement of particles in it.

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Joule (J)

Back

The unit of energy.

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Kelvin (K)

Back

A unit of temperature.

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Mass

Back

The amount of matter, usually measured in kilograms.

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Physical change

Back

Change, such as a change in state, that does not result in new substances being made.

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Specific heat capacity (J/kgK)

Back

The energy required to raise the temperature of 1 kg of a substance by 1 K.