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Flammable Hand Sanitizer
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Transcript
Flammable Hand Sanitizer
Presented by Montana and Amanda for SCIENCE
What did we do?
What did we do
we got 3 hand sanitizers with different amounts of ethnol alcohol% , poured them on a fire proof surface then set them on fire and mesured speed, hight and color.
chemical reaction: ethanol+oxygen---water+carbon dioxide
our hypothysis
For our hypothysis we thought that different % of ethnol alcohol would burn differently.
Our Hypothysis
How it works
chemical reaction: ethanol+oxygen---water+carbon dioxide
Versions that contain 60 to 95% alcohol are most effective
the alcohol is what burns in the handsantitizer and the water acts as a "sheild" for you hand if you touch the handsanitizer while it's on fire. BUT you can still get burned it is still fire.
How it works
THe Outcome
Our hypothysis was correct. as far as we could see they burn basicly the same. the "everyone" handsanitizer with 62% alcohol lite completely in about 6 seconds, the "germ-x" with 70% alcohol lite almost completely in 23 seconds and the "germ-x" with 63% alcohol didn't lite completly.
The outcome
resources
https://www.thoughtco.com/hand-sanitizer-fire-project-607488
https://prezi.com/7-7awinz02ow/hand-sanitizer-fire-experiment/
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