Question

Why air quickly leaking out of a balloon becomes cooler?
Why surface tension of all lubricating oils and paints in kept low?
​

Answer 1

Answer:

The leaking air of balloon undergoes adiabatic expansion . In this expansion , due to work done against external pressure, the internal energy of air reduces. Thus, it becomes cooler. Adiabatic expansion produces cooling

pls mark me as a brainlist hope its help