Suppose 171 moles of a monatomic ideal gas undergoes an isothermal expansion as shown in the figure. (The horizontal axis is marked in increments of...

Suppose 171 moles of a monatomic ideal gas undergoes an isothermal expansion as shown in the figure. (The horizontal axis is marked in increments of 1 m3.) How much work is done by the gas during this expansion? in Jattached is the graph