[abstract]DIET COKE® AND MENTOS® REACTION: DOES GOING DEEPER KILL THE BUZZ? THE TRUE SCIENCE OF FIZZY-OLOGY

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[abstract]DIET COKE® AND MENTOS® REACTION: DOES GOING DEEPER KILL THE BUZZ? THE TRUE SCIENCE OF FIZZY-OLOGY

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Title: [abstract]DIET COKE® AND MENTOS® REACTION: DOES GOING DEEPER KILL THE BUZZ? THE TRUE SCIENCE OF FIZZY-OLOGY
Author: Savaser DJ; Duchnick J; Witucki PW
Abstract: INTRODUCTION/BACKGROUND: The Diet Coke® and Mentos® patent pending) reaction is a fun demonstration of chemistry and physics and has been exhibited and studied in many different fields, shown on the internet and on television as well. To date, there has been no true experimental study examining the precise amount of atmospheric pressure required to suppress the explosive reaction of the mixture of the two substrates. MATERIALS AND METHODS: Using 500cc pre-filled bottles of Diet Coke and a pre-filled modified Mint Mentos delivery device (modified 20cc syringe with slide release mechanism for five individual Mint Mentos, we examined the Diet Coke and Mentos reaction at varying depths within a multiplace (Class A) hyperbaric chamber. Depths and respective pressures included 0 (1 atm abs), 30 (1.6 atm abs), 60 (2.8 atm abs), 80 (3.42 atm abs), 90 (3.73 atm abs), 95 (3.88 atm abs) and 100 fsw (4.03 atm abs), respectively. Three bottles were tested at each depth, and their respective volume of displacement was measured after the reaction was allowed to take place. Volume of displacement was measured and charted on a graph; complete suppression of the reaction was the main outcome and defined as no displacement of Diet Coke from each bottle at depth. RESULTS: On average, displacement of Diet Coke during the Diet Coke and Mentos reaction was 360 cc (0 fsw, 1 atm abs), 357 cc (30 fsw, 1.6 atm abs), 79 cc (60 fsw, 2.8 atm abs), 25 cc (80 fsw, 3.42 atm abs), 6.33 cc (90 fsw, 3.73 atm abs), 0 cc (95 fsw, 3.88 atm abs),0 cc (100 fsw, 4.03 atm abs), respectively at each depth. SUMMARY/CONCLUSIONS: The depth or pressure at which a 500cc bottle of Diet Coke and Mint Mentos (five individual candies) reaction is completely suppressed is 95 fsw or 3.88 atm abs, or greater. No inside tenders were harmed during this study and the UCSD chamber remains closed at this time for further cleaning.
Description: Undersea and Hyperbaric Medicine : Journal of the Undersea and Hyperbaric Medical Society, Inc.
URI: http://archive.rubicon-foundation.org/10855
Date: 2013

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  • UHMS Meeting Abstracts
    This is a collection of the published abstracts from the Undersea and Hyperbaric Medical Society (UHMS) annual meetings.

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