An ideal gas expands in volume from 1 x 10^-3 m^3 to 1 x 10^-2 m^3 at 300K against a constant pressure at 1 x 10^5 Nm^5 .

Question

An ideal gas expands in volume from 105 x 10^-3 m³ to 1 x 10^-2 m³ at 300K against a constant pressure at 105 x 10⁵ Nm⁵ . The work done is …

(a) -900 J

(b) 900 kJ 

(c) 270 kJ

(d) -900 kJ

Answer 1

Answer: (a) -900 J