Use the phase diagram of neon to answer the following questions.
|
TABLE 1 1 .5 Critical
|
Temperatures and Pressures
|
of Selected Substances
|
|
Substance
|
Critical Temperature (K)
|
Critical
Pressure (atm)
|
|
Nitrogen, N2
|
126.1
|
335
|
|
Argon, Ar
|
150.9
|
48.0
|
|
Oxygen, 02
|
154.4
|
49.7
|
|
Methane, CH4
|
190.0
|
45.4
|
|
Carbon dioxide, CO2
|
304.3
|
73.0
|
|
Phosphine, PH3
|
324.4
|
645
|
|
Propane, CH3CH2CH3
|
370.0
|
42.0
|
|
Hydrogen sulfide, H2S
|
373.5
|
88.9
|
|
Ammonia, NH3
|
405.6
|
111.5
|
|
Water, H2O
|
647.6
|
217.7
|
(a)What is the approximate value of the normal boiling point?
(b) What can you say about the strength of the intermolecular forces in neon and argon based on the critical points of Ne and Ar?