What will be the work done when one mole of a gas expands isothermally from 15 L to 50 L against a constant pressure of 1 atm at `25^(@)C`?

Find the work done when 2 moles of hydrogen expand isothermally from 15 to 50 litres against a constant pressure of 1atm at 25^(@)C .

What is the work done when 1 mole of a gas expands isothermally from 25 L to 250 L at a constant pressure of 1 atm and a temperature of 300 K ?

What is the work done when 1 mole of a gas expands isothermally from 25 L to 250 L at a constant pressure of 1 atm and a temperature of 300 K ?

Calculate work done when 1 mole of an ideal gas is expanded reversibly from 20 L to 40 L at a constant temperature of 300 K.