Describe the slope of the solid-liquid phase , Physics

A solid substance has a molar volume which is  smaller than that of its liquid phase. Which of the following statements regarding the solid-liquid phase transition is/are true?

(More than one answer may be selected).

A  The slope of the solid-liquid phase boundary line is directly proportional to the temperature at which the phases are in equilibrium.        

B  The magnitude of the slope of the solid-liquid phase-boundary line will be much greater than that of the liquid-vapour phase boundary line.

C   The fusion (melting) process is always exothermic.

D   The slope of the solid-liquid phase boundary is  positive.     

 

Posted Date: 3/22/2013 6:04:07 AM | Location : United States







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