A gas expands from I to F in the figure.
The energy added to the gas by heat is 419 J
when the gas goes from I to F along the
diagonal path.
P (atm)
4
3
I A
2
1
B
F
0
+
01 2 3
4
V (liters)
What is the change in internal energy of the
gas?
Answer in units of J.