What is the work done when the volume of 4 moles of a perfect gas quadruples under isothermal (35 °C) conditions whilst its pressure is allowed to vary freely? (R = 8.314 J K ¹ mol-¹) Select one:  a. -14,206.52 J  b. 50,667.53 J  C. 30,012.55J D. 52,354.67J

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