15. On the phase diagram below the critical point is UD.the line representing me

Question

15. On the phase diagram below the critical point is UD.the line representing melting is .2. and the line representing sublimation is C3) (a tm) 80 40 50 70 30 T d e g r e e s C) (2) A to F (a) D B to C A to F (b) E A to B A to F (c) G A to B A to F (d) D A to B B to C (e) D A to F 16. The heating curve below was generated by measuring the temperature of a compound is related to the heat of vaporization of the liquid and the line segment (2) is related to the heat capacity ofthe compound in the gaseous state. temperature (K) heat added (J) (2) (1) (a) AB BC (b) BC CD (c) CD DE (d) DE EF (e) CD EF

Explanation / Answer

15) ANSWER : D

Critical point (1) :D

Melting (2) : A-B

Sublimation (3) :A-F

16) ANSWER :D

Heat of vapourization (1) :DE

Heat capacity of compound :EF

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