MCAT Question of the Day
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    Q:

    		 A phase diagram for a compound has a solid-liquid phase line slope is perfectly vertical. This implies that:
    		 

    A

    		 there exist multiple temperatures for which the substance exists as both a solid and a liquid.

    B

    		 a liquid phase does not exist at the same pressure/temperature parameters as the solid phase.

    C

    		 no triple point exists for this compound.

    D

    		 the liquid and solid phases are of the same density.



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