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Old 02-06-2006, 01:41 PM
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I'm wondering why baking soda and vinegar would work. Probably b/c baking soda is a base and vinegar is acetic acid. Base and acid create salt and water through neutralization reaction and so give off energy (exothermic reaction). This is my guess. Maybe as part of your research experiment you can ask the question why the two chemicals work.
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