An ideal gas expand in volume from 1- 10 -3 m 3 to 1- 10 -2 m 3 at 300 K against a constant pressure of 1- 10 5 Nm -2- The work done is -

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Standard XII

Physics

Thermodynamic Processes

An ideal gas ...

Question

An ideal gas expand in volume from $1 \times 10^{- 3} m^{3}$ to $1 \times 10^{- 2} m^{3}$ at 300 K against a constant pressure of $1 \times 10^{5} {N m}^{- 2}$ . The work done is :

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Solution

$V_{i} = 10^{- 3} m^{3}$
$V_{f} = 10^{- 2} m^{3}$
$P = 10^{5} N m^{- 2}$
$W = P (V_{f} - V_{i}) = 10^{5} (10^{- 2} - 10^{- 3})$ = $900 J$
Work done in the system $W = - 900 J$

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An ideal gas expand in volume from 1×10−3m3 to 1×10−2m3 at 300 K against a constant pressure of 1×105Nm−2. The work done is :

Vi=10−3m3Vf=10−2m3P=105Nm−2W=P(Vf−Vi)=105(10−2−10−3)=900JWork done in the system W=−900J

An ideal gas expand in volume from $1 \times 10^{- 3} m^{3}$ to $1 \times 10^{- 2} m^{3}$ at 300 K against a constant pressure of $1 \times 10^{5} {N m}^{- 2}$ . The work done is :

$V_{i} = 10^{- 3} m^{3}$
$V_{f} = 10^{- 2} m^{3}$
$P = 10^{5} N m^{- 2}$
$W = P (V_{f} - V_{i}) = 10^{5} (10^{- 2} - 10^{- 3})$ = $900 J$
Work done in the system $W = - 900 J$