At $25^{\circ} \mathrm{C}$ gallium is a solid with a density of 5.91 $\mathrm{g} / \mathrm{cm}^{3} .$ Its melting point, $29.8^{\circ} \mathrm{C},$ is low enough that you can melt it by holding it in your hand. The density of liquid gallium just above the melting point is 6.1 $\mathrm{g} / \mathrm{cm}^{3} .$ Based on this information, what unusual feature would you expect to find in the phase diagram of gallium?
Added by Elizabeth C.
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In this case, the unusual feature is that the density of the liquid gallium is higher than the density of the solid gallium. ** Show more…
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At $25^{\circ} \mathrm{C}$ gallium is a solid with a density of $5.91 \mathrm{~g} / \mathrm{cm}^{3} .$ Its melting point, $29.8^{\circ} \mathrm{C}$, is low enough that you can melt it by holding it in your hand. The density of liquid gallium just above the melting point is $6.1 \mathrm{~g} / \mathrm{cm}^{3}$. Based on this information, what unusual feature would you expect to find in the ohase diagram of gallium?
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