Problem

Ar has normal melting and boiling points of 83.8 and 87.3 K; its triple point is at 83.8 K...

Ar has normal melting and boiling points of 83.8 and 87.3 K; its triple point is at 83.8 K and 0.7 atm, and its critical temperature and pressure are 151 K and 48 atm. State whether Ar is a solid, liquid, or gas under each of the following conditions: (a) 0.9 atm and 90 K; (b) 0.7 atm and 80 K; (c) 0.8 atm and 88 K; (d) 0.8 atm and 84 K; (e) 1.2 atm and 83.5 K; (f) 1.2 atm and 86 K; (g) 0.5 atm and 84 K.

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Solutions For Problems in Chapter 7