Question

u When a gas undergoes adiabatic expansion, it gets cooled. This is because
(1) It is an exothermic process
(2) It is an endothermic process
(3) Internal energy of the system decreases
(4) Ideal gas becomes a real gas​

Answer 1

Answer:

hey mate

l think your answer is 3) internal energy of the system decreases

Thank you

l think it's helping you

Answer 2

Explanation:

i think that option 3 is correct