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physics yr 9 > internal energy > Flashcards

internal energy Flashcards

1
Q

what is internal energy

A

internal energy is The energy of the particles of a substance due to their individual motion and positions

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2
Q

what is the sum of the internal energy particles

A

the sum of internal energy particles is the sum of the
kinetic energy they have due to their individual motions relative to each other, and the potential energy they have due to their individual positions relative to each other.

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3
Q

what happens when you increase the temperature of a substance

A

when you increase the temperature of a substance the internal energy also increases

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4
Q

how might the potential energy particles increase

A

they might increase if the substance is boiled or malted

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5
Q

how might the kinetic energy particles increase

A

the kinetic energy particles might increase if the substance is heated

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physics yr 9 (9 decks)

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