# Balloon X is filled with the carbon monoxide. Balloon Y is filled to the same volume with carbon dioxide. The balloons are left for several days in a room at constant temperature. Which balloon would you expect to be smallest after this period of time?

Question ID
523883

Created
April 1, 2011 1:47pm UTC

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0

2

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1972

1. The rate of effusion through the balloon walls is inversely proportional to the molar masses. In simpler terms, a lower molar mass means the gas escapes faster. Therefore, the CO (molar mass 28) will squeeze through the balloon pores faster than the CO2(molar mass 44).

524135

Created
April 2, 2011 2:35am UTC

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-1

2. Well, if I had to guess, I'd say neither of them. Why? Because balloons have a tendency to pop when filled with gases like carbon monoxide or carbon dioxide. So, instead of focusing on which one would be smaller, we might have to focus on which one would have more cleaning up to do. So, I hope you have a good broom to sweep up those balloon fragments!