The substance neon has the following properties: normal melting point: 24.5 K no

Question

The substance neon has the following properties: normal melting point: 24.5 K normal boiling point: 27.1 K triple point: 0.425 atm, 24.4 K critical point: 26.2 atm, 44.4 K A sample of neon at a pressure of 1.00 atm and a temperature of 53.7 K is cooled at constant pressure to a temperature of 26.9 K. Which of the 53.7 following are true? Choose all that apply The solid initially present will vaporize. The sample is initially a gas. One or more phase changes will occur. The final state of the substance is a liquid. The final state of the substance is a solid.

Explanation / Answer

Since the initial temperature is 53.7K, which is much more than its boiling point, we can expect neon to be in gaseous state and not in solid or liquid state. Since further cooling is done to 26.9K which is closer to its boiling point but higher than its melting point, hence the final state can be liquid and not solid.

Therefore based on the above discussion the following options are true

b,c,d.

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