7. Consider the phase diagram for nitrogen: (8) 33.6 liquid solid 1.0 E 0.12 gas

Question

7. Consider the phase diagram for nitrogen: (8) 33.6 liquid solid 1.0 E 0.12 gas 210 196 147 Temoerature. C (not to scale) -106.0 a. What is the normal boiling point of nitrogen? b. What is the normal melting point of nitrogen? c. What phase(s) is/are present at -210°C and 0.05 atm?Answer: d, what phase(s) is/are present at-210°C and 0.12 atm? Answer: e. What phasels) is/are present at -2109C and 0.40 atm? Answer: f. What phasets) s/are present at 2458C and 2.00 atm? Answer: B. What is the critical temperature of nitrogen? h. What is the critical pressure of nitrogen? Answer: _a0 Answer: Answer:

Explanation / Answer

7. Phase diagram of Nitrogen (N2)

Given above is the phase diagram of nitrogen. From the diagram we can get the following information

a. Normal boiling point of nitrogen = -196 oC (liquid/gas equilibrium)

b. normal melting point of nitrogen = -210 oC (solid/liquid equilibrium)

c. phases present at -210 oC and 0.05 atm = gas

d. phases present at -210 oC at 0.12 atm = solid, liquid and gas

e. phases present at -210 oC at 0.40 atm = solid and liquid

f. phases present at -245 oC at 2 atm = solid

g. Critical temperature of nitrogen = -196 oC

h. Critical pressure of nitrogen = 1.0 atm

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