Apps Pps Bookmarks 50251 Heirloom List Guid SFU Connect Inbox omewor Computing I

Question

Apps Pps Bookmarks 50251 Heirloom List Guid SFU Connect Inbox omewor Computing ID Look WebElements Penc Phase Diagram The following diagram corresponds to a closed system, comprised of a pure substance. See section 16.11 "phase Diagrams in zumdahl "chemical Prindples 7th ed., pp 829-833 The etter labels dosest to the points marked with a dot refer spedincally to those toints The otherletterlabils refer tothe egion ef the graph in which they 10 atm H------------------ Match the following: triple point but no fusion no solid sublimation occurs but normal gas and/or liquid present at equilibrium normal melting point solid region normal gas region normal liquid region critical fluid

Explanation / Answer

Match the following

Triple point - H

sublimation occurs - G

Gas/liquid - F

Normal melting point - B

Solid region- I

Normal gas region - E

Normal liquid region - A

Super critical region - D

Super critical point - C

Which phase is dense :

Solid

The temperature at point C is

called the supercritical temperature

The substance that cannot be frozen by cooling alone at 1 atm pressure is

Helium

Which of the following solid substances can be liquifed by increasing the pressure sufficiently

dry ice, CO2( Tc = 30 degree celcius and Pc = 73 atm)

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