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Chemistry

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Classify the possible combinations of signs for a reaction's ∆H and ∆S values by the resulting spontaneity.

A) Spontaneous as written at all temperatures.
B) Spontaneous in reverse at all temperatures.
C) Spontaneous as written above a certain temperature.
D) Spontaneous as written, below a certain temperature.

1) ∆H = + // ∆S = +
2) ∆H = - // ∆S = +
3) ∆H = - // ∆S = -
4) ∆H = + // ∆S = -



I'm beyond confused. Please help!

  • Chemistry - ,

    See this link. It answers each.
    http://en.wikipedia.org/wiki/Spontaneous_process

  • Chemistry - ,

    1)c
    2)d
    3)b
    4)a

  • Chemistry - ,

    1 c
    2 a
    3 d
    4 b

  • Chemistry - ,

    Paige is correct

  • Chemistry - ,

    Thanks page

  • Chemistry - ,

    Thanks Paige.

  • Chemistry - ,

    Thanks Paige! :D

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