dUdVA uniformly homogeneous system (i.e. uniform pressure) of a simple pure fluid divided into an arbitrary number of smaller systems of size dV.Figure by MIT OCW.Solid ISolid IILiquidGasMelting PointBoiling PointTransition Temperature501001500 100 200 300The heat capacity of a material can have a complex dependence on temperature. Here is the heat capacity Cp of n-butane in all its phases.T (K)Cp (J K-1 mol-1) Figure by MIT OCW.SubstanceMaximum Observed Super-cooling (K)MercuryCadmiumSilverIronNickelNiobium88110227286365525A1 (110)T = 0.99 TmFigure by MIT OCW.Figure by MIT OCW.Figure removed for copyright reasons.Source: www.astm.orgFigure by MIT
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