Use the phase diagram of neon to answer the following, Ask an Expert

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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?

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