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Friday, August 26, 2011

Fix a Flat with CO2?

You can buy repair kits for bicycle tires that include a small cylinder of CO2 gas, which reinflates the tire. It's meant just for short emergency repairs, but some people leave the CO2 in the tire longer than intended. Based on what you learned about CO2 in the last two posts, what do you think happens to the tires if the CO2 is not replaced with air? (Hint: think about what the tire is made of!)
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