Question

HELPPP!!!!! QUICK 24 points The first law of thermodynamics states that △E = Q-w, what does △E stand for
A.) the heat added to the system
B.) the change in the internal energy of the system
C.) the internal energy of the system
D.) the work done by the piston

Answer 1

C is the answer.
The sign convention in the definition of the change in internal energy

Answer 2

C is the answer.
The sign convention in the definition of the change in internal energy