Science 10: Physics-Laws of thermodynamics

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System

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-Set of interconnected parts

-Objects involved in energy transfer

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Open system

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Exchanges matter + energy with its surroundings

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6 Terms

1
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System

-Set of interconnected parts

-Objects involved in energy transfer

2
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Open system

Exchanges matter + energy with its surroundings

3
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Closed system

Only exchanges energy with its surroundings

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Isolated system

Does NOT exchange energy + matter with its surroundings

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First law of thermodynamics

-Energy is not created or destroyed

-Energy changes form and moves different places, but its total amount is always the same

(Law of conservation of energy)

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Second law of thermodynamics

-Heat always flows naturally from hot to cold objects, never cold to hot