Second law of Thermodynamics

  • Created by: Saarah17
  • Created on: 09-11-22 18:46

Second law of Thermodynamics

—> heat will always flow from a hotter body to a cooler body and entropy will always increase with it

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What is meant by the term entropy?

  • is the measure of a systems thermal energy per unit temperature that’s unavailable for doing work

Describe what is happening to the entropy of the universe?

  • it’s increasing

How does this relate to reversible and irreversible processes?

  • entropy for system -> is 0 -> is a reversible process -> no change in entropy
  • any value over 0 -> is a reversible process -> gains entropy
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