Referring to the phase diagram in Section 12.8, describe what happens to the phase of \(\mathrm{CO}_{2}\) during each process:
a. reducing the temperature from the critical point
b. increasing the pressure on \(\mathrm{CO}_{2}\) gas that is held at a temperature of \(-50^{\circ} \mathrm{C}\)
c. increasing the temperature on solid \(\mathrm{CO}_{2}\) that is held at a pressure of 20 atm
Text Transcription:
CO_2
-50^circ C
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