Heat and phase change
-Adding heat to a substance or removing heat from a substance causes phase shifts.
- Phase shifts that occur when heat is gained: melting (solid to liquid) and boiling/evaporation (liquid to gas)
-Changes in phase related with heat loss: freezing (solidification) and condensation (gas to liquid)
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Surprisingly, at the same temperature, the opposite phase shifts occur.
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The Heat of Fusion is required to melt or freeze something (Hf).
Heat of Fusion (Hf) is the heat used to melt a substance.
The heat removed from a substance to freeze it is known as the Heat of Fusion (Hf).
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The following is the Heat of Fusion formula:
Q = m x Hf
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The Heat of Fusion is required to melt or freeze something (Hf).
Heat of Fusion (Hf) is the heat used to melt a substance.
The heat removed from a substance to freeze it is known as the Heat of Fusion (Hf).
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The following is the Heat of Fusion formula:
Q = m x Hf
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Refrenecs
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Science teacher taught me this ( the notes I took)
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