phase changes lmao

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6 Terms

1
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melting

solid ā†’ liquid

  • solid warming (before melting) ā†’ q = mCsolidĪ”T

  • melting ā†’ q = mĪ”Hfusion > 0

    • for water this is 0 degrees C

  • endothermic

2
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freezing

liquid ā†’ solid

  • liquid cooling (before freezing) ā†’ q = mCwaterĪ”T

  • freezing ā†’ q = mĪ”Hfusion < 0

    • for water this is 0 degrees C

  • exothermic

3
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sublimation

solid ā†’ gas

  • endothermic

4
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deposition

gas ā†’ solid

  • exothermic

5
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evaporation

liquid ā†’ gas

  • liquid warming (before evaporation) ā†’ q = mCwaterĪ”T

  • evaporation ā†’ q = mĪ”Hvap > 0

    • for water this is 100 degrees C

  • endothermic

6
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condensation

gas ā†’ liquid

  • steam cooling (before condensation) ā†’ q = mCsteamĪ”T

  • condensation ā†’ ā†’ q = mĪ”Hvap < 0

    • for water this is 100 degrees C

  • exothermic

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