Scenario: (This is for questions 7-12) One January day when it was 10 degrees F outside, an Uncle went to Safeway to collect a bouquet of balloons for his nieces birthday. He ordered a mix of latex balloons in various colors. He appreciated the warmth of the store. He watched the balloons get inflated and noticed they were full and taut with Helium. He took the balloons home. When he got to his nieces' house he noticed the balloons were sunk in and wrinkled and floating ½ way down to the floor of his car. He was so disappointed. He placed them in the back room until the party. The house was 74 degrees. The party began an hour later and when he went back into the room to retrieve the deflated balloons, much to his relief, they were full and taut as before. He wondered what could have caused this reversal?
Question:
What is your hypothesis as to why the Uncle saw these changes in the balloons?