5. A student is investigating the relationship between pressure, temperature, and entropy. A student manages to obtain a sample of ice,

water, and water vapor that all coexist at the same temperature called

the triple point. Which will have the greatest entropy at the triple point?

The water vapor will have the greatest entropy at the triple point

Explanation:

At the triple point of water, which has the properties of 0.0075°C temperature and 6.11657 mbar pressure, solid ice, liquid water and water vapor exist together in a location

According to Professor Stephen Lower on LibreTexts website entropy  is a measure the extent to which thermal energy is shared and spread in a system

The change in entropy, ΔS = ΔH/T

The heat change in = 6.01 kJ/mol

The heat change in vaporization, = 45.05 kJ/mol

The heat change in sublimation, = 51.06 kJ/mol

Therefore, the entropy of the water vapor > The entropy of liquid water, > The entropy of the solid ice,

The portion with the highest entropy at the triple point is the water vapor

The water vapor will have the greatest entropy at the triple point

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