Ask a Question

CO2 has Tc = 38.98 °C and Pc = 73 atm. How many phases of CO2 coexist at i. 50 °C and 73 atm ii. 20 °C and 50 atm.

0 votes
148 views
in Chapter 10: States of Matter by (2.0k points)
edited

CO2 has Tc = 38.98 °C and Pc = 73 atm. How many phases of CO2 coexist at
i. 50 °C and 73 atm
ii. 20 °C and 50 atm.

1 Answer

0 votes
by (2.0k points)
selected by
 
Best answer

i. 50 °C and 73 atm represent a condition for CO2 above its Tc. Therefore, under this condition CO2 exists only as single phase.
ii. 20° C and 50 atm represent a condition for CO2 below its Tc. Therefore, under this condition two phases of CO2, namely, liquid and gas can coexist.

Related questions

Doubtly is an online community for engineering students, offering:

  • Free viva questions PDFs
  • Previous year question papers (PYQs)
  • Academic doubt solutions
  • Expert-guided solutions

Get the pro version for free by logging in!

Most popular tags

jeemain geography-10th engineering physics semester 5 web computing

5.7k questions

5.1k answers

108 comments

554 users

Doubtly
...