A gas is allowed to expand in a well insulated container against a constant external pressure of 2.5 atm from an initial volume of 2.50 L to a final volume of 4.50 L. The change in internal energy U of the gas in joules will be :
1136.25 J
-500 J
-505 J
+505 J
Word done,
Now, for adiabate process, f=0
Option 1)
1136.25 J
This option is incorrect.
Option 2)
-500 J
This option is incorrect.
Option 3)
-505 J
This option is correct.
Option 4)
+505 J
This option is incorrect.