Problem: At standard temperature and pressure the molar volumes of Cl2 and NH3 gases are 22.06 and 22.40 L, respectively.On cooling to 160 K, both substances form crystalline solids. Do you expect the molar volumes to decrease or increase on cooling the gases to 160 K?

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At standard temperature and pressure the molar volumes of Cl2 and NH3 gases are 22.06 and 22.40 L, respectively.

On cooling to 160 K, both substances form crystalline solids. Do you expect the molar volumes to decrease or increase on cooling the gases to 160 K?

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