Question

An ideal gas expands in volume from 1 × 10⁻³ to 1 × 10⁻² m³ at 300 K against a constant pressure of 1 × 10⁵ Nm⁻². The work done is ______.

पर्याय

• 270 kJ

• −900 kJ

• −900 J

• 900 kJ

Answer 1

An ideal gas expands in volume from 1 × 10⁻³ to 1 × 10⁻² m³ at 300 K against a constant pressure of 1 × 10⁵ Nm⁻². The work done is −900 J.

Explanation:

w = −PΔV

= −10⁵ [(1 × 10⁻²) − (1 × 10⁻³)] = −900 J