A vessel contains a mixture of one mole of $H e$ & three moles of $A r$ at 500 K. The ratio of the average translational kinetic energy per $A r$ molecule to per $H e$ molecule is

5 : 3

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32 : 4

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1 : 1

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9: 1

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Solution

The correct option is C 1 : 1
$\frac{K . E_{T} (A r)}{K . E_{T} (H e)} = \frac{\frac{3 K T}{2}}{\frac{3 K T}{2}} = 1$

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A vessel contains a mixture of one mole of He & three moles of Ar at 500 K. The ratio of the average translational kinetic energy per Ar molecule to per He molecule is

The correct option is C 1 : 1K.ET(Ar)K.ET(He)=3KT23KT2=1

A vessel contains a mixture of one mole of $H e$ & three moles of $A r$ at 500 K. The ratio of the average translational kinetic energy per $A r$ molecule to per $H e$ molecule is

The correct option is C 1 : 1
$\frac{K . E_{T} (A r)}{K . E_{T} (H e)} = \frac{\frac{3 K T}{2}}{\frac{3 K T}{2}} = 1$