# When 100 J of heat is applied to a thermodynamic system (isobaric) containing monoatomic gas then the energy converted into external work done is nearly?. (gamma=5/3)

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Isobaric expansion of gas.

As P is constant, V is proportional to the temperature T.

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Also, we find that C_p / C_v = 5/3

C_p - C_v = R

C_v [5/3 - 1] = R => C_v = 3/2 R

=> C_p = 5/2 R

As P is constant, V is proportional to the temperature T.

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Also, we find that C_p / C_v = 5/3

C_p - C_v = R

C_v [5/3 - 1] = R => C_v = 3/2 R

=> C_p = 5/2 R