The substance neon has the following properties sormal melting point 245 k ormal

Question

The substance neon has the following properties sormal melting point 245 k ormal boling pont 27.1K riple poit 425 atm 244 4.2 atm 444 A sample of asoa is initually at a presuere of s 2 atm and a semperature of 19.9 K. The pressare on the sample is nedaced to 8.45 atm aacomsaeratue of ss K Which of the following are true? Choore all that apply No phase change will occur The final state ofthn substance " a gas The final state ofthe substance is a solid The gas mtally present will solddy The sample ss-tally a solid remaining Try Another Version

Explanation / Answer

Phase diagrams

Substance : Neon

Looking at the values give and the phase diagram for neon,

we have,

when neon at 30.2 atm and 19.9 K was changed to 0.425 atm and 19.9 K,

No phase change will occur

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