the volume of an ideal gas is increased from .8 m^3 to 2.4 m^3 while maintaining a constant pressure of…

/in /by
the volume of an ideal gas is increased from .8 m^3 to 2.4 m^3 while maintaining a constant pressure of 1000 pa(1 pa=1n/m^3). how much work is done by the gas in this expansion?