Subject: What happens to pressure of a balloon placed in a hot room that is open?

If a balloon is transferred to a room with a higher temperature, will there be 
any significant change in shape of the balloon due to change in pressure 
inside the balloon or outside it?  What about one that is placed in an oven or 
a freezer? Is there any difference in the results expected if the room is open 
to the air outside or if the room is tightly sealed?

Re: What happens to pressure of a balloon placed in a hot room that is open?