Question

A gas mixture consists of 2 moles of O2 and 4 moles of Ar at temperature T. Neglecting all vibrational modes, the total internal energy of the system is

(1) 15 RT
(2) 9 RT
(3) 11 RT
(4)4 RT

who is the handler of NewGeneEinstein ?​

Answer 1

U=

2

f

1

n

1

RT+

2

f

2

n

2

RT

=

2

5

(3RT)+

2

3

×5RT

U=15RT

Answer 2

$\;\mapsto\;\;\underline{\underline{\bf{\blue{Answer\::-}}}}$

• The total internal energy of the system is 15RT .

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