Imagine a Balloon That You Blow Up to a Full

Multiple Choice

Imagine a balloon that you blow up to a full size. What do you expect to happen if you pour liquid nitrogen at 77 K over the surface of the balloon? Assume that the pressure does not change significantly.

A) increase slightly in size
B) decrease significantly in size
C) stay exactly the same size as before
D) One cannot say unless the composition of the gas is known.