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Answer 1

Internal energy (U) is given as:

Number of moles (n) x Temperature of gas (K) x Heat capacity at constant volume (Cv)

Heat capacity for O2 is 5R/2 since it is a diatomic molecule

Therefore substituting values of n = 1, K = 298K

U = 1490 (Units in terms of calories, R = 2 cal)

Answer 2

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answer:-

_____________________________________♥

Given that

No. of molecules = ( n ) x

Temperature of gas ( K ) x heat

Capacity of constant volume ( cv )

Heat capacity for O2 is 5R / 2 as it is a disatomic molecule.

therefore, 1, K = 298 K

U = 1940

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