Which of the following has the lowest entropy per mole?
A)liquid sodium at 100°C
B)gaseous sodium at 900°C and 0.5 atm
C)a solid solution of sodium in potassium at 30°C
D)gaseous sodium at 900°C and 1 atm
E)solid sodium at 30°C

Question

Quizplus · Accepted Answer

The lowest entropy per mole will be in a solid state, as the particles have less freedom of movement compared to liquids and gases. Among the given options, only solid sodium at 30°C is a solid state, hence it has the lowest entropy per mole.

Which of the Following Has the Lowest Entropy Per Mole