HIGH POINTS URGENT
part 1 of 2
A gas expands from I to F in the figure.
The energy added to the gas by heat is 450 J
when the gas goes from I to F along the
diagonal path.
What is the change in internal energy of the
gas?
Answer in units of J.

part 2 of 2
How much energy must be added to the gas
by
heat for the indirect
path IAF to give the
same change in internal
energy?
Answer in units of J.