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​1. If the following gases are in monoatomic form then which one has greater entropy? i.H ii. O iii. N iv. Cl

​1. If the following gases are in monoatomic form then which one has greater entropy?
i.H  ii. O  iii. N   iv. Cl

Grade:12

2 Answers

Naveen Kumar
askIITians Faculty 60 Points
9 years ago
At a fixed temperature the kinetic energy per mole can be given as:
E=(f/2)*RT
where f=degree of freedom and for translation movement, f=3, similarly some energy is associated with rotation of the molecule and vibration as well.
As the kinetic energy per mole is same for all, the atoms having low molecular weight will have higher velocity and hence more randomness.
Bhubesh
16 Points
9 years ago
But the answer is Cl..How?

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