1 mole of a monoatomic ideal gas initially at a pressure of 2.00 bar and a temperature of 273K is taken to a final pressure of 4.00 bar by a reversible path defined by P / V = constant, the value of

Question

1 mole of a monoatomic ideal gas initially at a pressure of 2.00 bar and a temperature of 273K is taken to a final pressure of 4.00 bar by a reversible path defined by P / V = constant, the value of ​ w Δ U ​ ​ for this process is?

TestHub · Accepted Answer

P 1 ​ = 2 bar, T = 273 K , P 2 ​ = 4 bar ​ V P ​ = constant P V − 1 = constant ​ ​ ​ ​ x = − 1 W Δ U ​ = ( x − 1 ) n R ( T 2 ​ − T 1 ​ ) ​ n C v m ​ Δ T ​ = R C v m ​ ( x − 1 ) ​ R 2 3 ​ R ( x − 1 ) ​ = 1.5 ( − 1 − 1 ) = 1.5 × ( − 2 ) = − 3

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