Surface Energy of a Balloon

1,380
0
1. The problem statement, all variables and given/known data
What will happen to the surface energy of a balloon when the air inside it is heated at a constant pressure?


3. The attempt at a solution

I don't understand how will a balloon have surface energy. What is its origin? Is it due to the elastic forces of the stretched balloon?
If yes then the surface energy increases as its surface area increases on heating.
Any ideas appreciated.
 
556
1
1. The problem statement, all variables and given/known data
What will happen to the surface energy of a balloon when the air inside it is heated at a constant pressure?


3. The attempt at a solution

I don't understand how will a balloon have surface energy. What is its origin? Is it due to the elastic forces of the stretched balloon?
Yes, it has to be that way. Imagine the surface as a net. Each molecule acts as a micro-spring (a connection of the net).
If yes then the surface energy increases as its surface area increases on heating.
Right
Any ideas appreciated.
 
1,380
0
You are wrong. There is no change is surface energy (as per the answer). This was the doubt that made me post this question. Experts please reply.
 

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