Abox contains 104 gas molecules, 2500 of nitrogen and 7500 of argon in thermal equilibrium. the molecular weight of n2 is 28g/mol, and of ar is 40g/mol. the total thermal energy of the collection of 104 molecules is 5x10-17j. what is the temperature of this gas

Answer : The temperature of this gas will be, 206.9 K

Explanation :

The expression for the kinetic energy per molecule of monoatomic gas (argon) is:

     ...........(1)

The expression for the kinetic energy per molecule of diatomic gas (nitrogen gas) is:

     .............(2)

The total kinetic energy of the molecule will be,

Now put all the expression in this, we get:

Now put all the given values in this expression, we get:

Therefore, the temperature of this gas will be, 206.9 K

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