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Specific heat capacity of gas compared to a liquid Watch

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    Why is it that the gradient of a change in in temperature/time graph is steeper for a gas than a solid.
    Given that c = (E/t) / m*(dT/t) Where c = specific heat capacity E = energy t = time m = mass dT = change in temperature.

    I.e. a steeper gradient means that the specific heat capacity is lower. But why is this true.
    In terms of atomic structure, why does a gas have a lower specific heat capacity compared to a solid?
 
 
 
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