The question is Given:Gas×Temperature×Pressure
Gas=1400ml
Temperature=20.00K
Pressure=101.3kpa
140ml×20.00K×101.3 K Pa
total =6,00.00
and when the volume of temperature changed to 40.00 K and the pressure is changed to 50.65 kPa.
Solution will 40.00 K× 50.65 kPa
total of the changes is 200.