An ideal gas expands from the volume of 1xx10^(-3)m^3 to 1xx10^(-2) m^3 at300K against a constant pressure at 1xx10^5Nm^(-2). The work done is ___

An ideal gas expands from the volume of 1xx10^(-3)m^3 to 1xx10^(-2) m^

1.	An ideal gas expands from the volume of 1xx10^(-3)m^3 to 1xx10^(-2) m^3 at300K against a constant pressure at 1xx10^5Nm^(-2). The work done is ___
Answer» `-900` J 900 J 270 kJ `-900` kJ Solution :`W=-PDeltaV` `w=-(1xx105 NM^(-2))(1xx10^(-2) m^3 -1 xx10^(-3) m^3)` `w=-10^5 (10^(-2) -10^(-3))`Nm `w=-10^5 (10-1)10^(-3)` J `w=-10^5 (9xx10^(-3))`J `w=-9xx10^2` J w=-900 J