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Which Type of CO(2) Carbonation Keeps Its Bubbles the Longest When Added to Liquid?

CSEF · 2008 Chemistry

Jennifer R. Cohen · Sierra Canyon Middle School, Chatsworth, Los Angeles County

Overview

Objectives/Goals I tested whether liquid carbonated with dry ice keeps its bubbles longer than pre-carbonated water bought in a store or liquid carbonated with carbon dioxide in the form of a tablet. I hypothesized that liquid carbonated by dry ice would keep its bubbles longer than store bought pre-carbonated liquids or liquids carbonated with carbon dioxide tablets. Methods/Materials To test my hypothesis, I compared the time in which water carbonated with dry ice kept is bubbles to water carbonated with carbon dioxide tablets and pre-carbonated water. I repeated the experiment seven times. Results I found that water carbonated with dry ice kept its bubbles an average of 4 hours and 27 minutes. In comparison, pre-carbonated water kept its bubbles an average of 3 hours and 32 minutes and carbon dioxide tablets kept its bubbles an average of 3 minutes and 42 seconds. Conclusions/Discussion I concluded that liquid carbonated with dry ice kept its bubbles the longest.

Summary statement

Which type of CO(2) carbonation keeps its bubbles the longest when added to liquid?

Help received

Ms. Lucera and Mr. Buenaventura for their guidance; Mom, Dad and Mike for their support.

Competition history

  • CSEF 2008 Chemistry · Entry J0507

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