What Happens to a Helium Balloon at a Party on a Hot

Multiple Choice

What happens to a helium balloon at a party on a hot day if the balloon was filled on a cold morning?

A) The balloon shrinks because the warmer day temperature speeds up the helium atoms and increases the number of atoms that escape through the inner wall of the balloon.
B) The balloon expands because the warmer day temperature causes the helium atoms to be less attracted to each other and allows them to occupy more space inside the balloon.
C) The balloon expands because the warmer day temperature speeds up the helium atoms and increases the force and frequency of gas collisions on the inner wall of the balloon.
D) The balloon shrinks because the warmer day temperature causes the helium atoms to be more attracted to each other and allows them to occupy less space inside the balloon.
E) The balloon keeps the same volume because the amount of gas inside the balloon does not change.