MCAT Question of the Day
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    Q:

    		 If one follows a line separating phases in a phase diagram and examines a substance at that particular pressure/temperature, which of the following can be guaranteed?
    		 

    A

    		 At any given point, there will be 50% of one phase and 50% of another phase of the substance.

    B

    		 If the line separates solid and liquid and has a negative slope, the solid is more dense than the liquid.

    C

    		 All three phases exist to some degree along every point of the line.

    D

    		 Along the curve which separates the gas phase from other phases, decreasing pressure will result in a predominance of gas molecules in the substance.



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