Question

An ideal gas expands from the volume of 1 x 10^-3 m³ to 1 x 10^-2 m³ at 300K against a constant pressure at 1 x 10⁵ Nm^-2. The work done is ……

(a) – 900 J 

(b) 900 kJ 

(c) 270 kJ 

(d) – 900 kJ

Answer 1

(a) – 900 J 

w = – P∆V