Ch 12 Quiz-Phase Diagrams Based on the phase diagram of a pure substance given b

Question

Ch 12 Quiz-Phase Diagrams Based on the phase diagram of a pure substance given below, which statement is *true*? Multiple Choice A The solid phase has a lower density than the Liquid phase. B The triple point is at a higher temperature than the normal melting point. C The substance changes from a solid to a liquid as one follows the line from C to D. D The substance changes from a liquid to a gas as one follows the Line from C to D. E Point B represents the critical temperature and pressure for the substance.

Explanation / Answer

Statement B : true

triple point of water is at higher temp than normal melting point

the melting temperature would be higher because the line between the solid and liquid areas slopes slightly forward.

statement E: true point B represents critical temp and pressure

reason As point B is critical point

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