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Grazes

  • one year ago

In terms of intermolecular forces and heat, why does melting take less time than vaporization?

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  1. OkayOkay
    • one year ago
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    is it referring to water or any chemical?

  2. Grazes
    • one year ago
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    Any.

  3. OkayOkay
    • one year ago
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    hmm, well for vaporization the molecules need enough energy to overcome the intermolecular, attractive forces. Ice on the other hand does not need this energy to overcome attractive forces as they are still occur for liquids.

  4. OkayOkay
    • one year ago
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    What do you think?

  5. Grazes
    • one year ago
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    Well, how exactly do the molecules "overcome" the intermolecular forces? Do the bonds break?

  6. OkayOkay
    • one year ago
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    It depends on the compound for "bonds". Water has H-bonds but helium has weak intermolecular forces and no "bonds" to break. As heat is added, it increases the kinetic energy (vibrational and such). This kinetic energy overpowers the intermolecular forces when it becomes a gas.

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