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of alcohol. The evaporating water helps cool down the system, so not all water is evaporated and the paper banknote is not burnt. The water-to-alcohol ratio should be 50% or higher; a lower ratio leads to the banknote being slightly burnt because there is not enough water to absorb the combustion
358:
Limpanuparb, Taweetham; Sathainthammanee, Dulyarat; Pakwilaikiat, Pooh; Kaewpichit, Chatchapong; Yimkosol, Warangkana; Suwannakhan, Athikhun (2021). "Reinterpreting
Popular Demonstrations for Use in a Laboratory Safety Session That Engages Students in Observation, Prediction, Record Keeping, and
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A solution of about 50% fuel alcohol and 50% water can catch on fire and extinguish itself in a "burning water" demonstration. In contrast to the subsection above, this can be done in a glassware without any absorbing materials like banknotes, towels, or paper.
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can be added to give the flames an orange-yellow color. For safety purpose, a water tray should be prepared for emergency use in case a paper banknote caught a fire, and flammable and combustible materials should not be kept or put near the flame.
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are recommended since it is made of paper and it is legally permitted to artistically mutilate it or burn in small amounts. Moreover, there are no depictions of any persons on the banknotes.
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456:"The European Commission. Commission Recommendation of 22 March 2010 on the Scope and Effects of Legal Tender of Euro Banknotes and Coins (2010/191/EU)"
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which then is put on a stove to boil. The paper bag can absorb water, which cools down the system and prevents the paper bag from being burnt.
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46:. The fire is lit and later extinguished by itself without the banknote being burnt. This demonstration can be used to teach about the
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66:. By igniting a paper banknote completely soaked with 50% alcohol solution, the alcohol (which is the
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Jardin, John; Murray, Peter; Tyszka, Jennifer; Czarnecki, Julian (1978). "Setting Exams on Fire".
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A 50% (v/v) alcohol solution is composed of 50% alcohol and 50% water in which water acts as a
192:(fire from flammable liquids), while the fire from burning paper (banknote) is categorized as
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Aside from banknotes, a similar experiment can be performed by using
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419:. Madison, WI: University of Wisconsin Press. pp. 13–14.
196:. The alcohol-water mixture flame can be hard to detect, so
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535:. Washington, DC: American Chemical Society. p. 6.
188:=3). The fire lit in this scenario is categorized as a
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82:. Contrarily water is heated up, with some being
164:Common alcohol fuels for this experiment can be
485:. Chemical Elements Publishing Co. p. 53.
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23:Euro paper banknotes can be made fireproof.
324:A video of fireproof banknote experiment
307:A video of fireproof banknote experiment
286:A video of fireproof banknote experiment
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460:Official Journal of the European Union
16:Process of making a banknote fireproof
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30:is a demonstration of putting a
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205:Alternative materials or setups
86:as it absorbs energy from the
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498:Journal of Chemical Education
361:Journal of Chemical Education
216:Money burning § Legality
260:Tap water may be added to a
34:, previously soaked in 50% (
415:Shakhashiri, B. Z. (1983).
381:10.1021/acs.jchemed.9b00474
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435:Royal Society of Chemistry
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547:"Boil Water in Paper Bag"
531:Summerlin, L. R. (1988).
180:=2) and both isomers of
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74:) is combusted into
518:10.1021/ed055p655.1
510:1978JChEd..55..655J
481:Chen, P.S. (1974).
373:2021JChEd..98..191L
553:. 19 December 2014
359:Problem Solving".
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555:. Retrieved
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242:Other setups
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190:class B fire
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80:water vapour
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40:alcohol fuel
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551:Science4Fun
504:(10): 655.
247:No material
58:Explanation
573:Categories
330:References
88:combustion
84:evaporated
579:Banknotes
389:216354702
262:paper bag
182:propanol
166:methanol
32:banknote
506:Bibcode
369:Bibcode
268:Gallery
256:No fuel
238:paper.
194:class A
174:ethanol
70:in the
64:solvent
557:17 Aug
466:20 Aug
440:17 Aug
387:
228:towels
385:S2CID
232:paper
172:=1),
150:+1) H
120:/2) O
44:flame
559:2021
468:2021
442:2021
236:exam
116:+ (3
78:and
68:fuel
50:and
514:doi
377:doi
234:or
146:+ (
36:v/v
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502:55
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397:^
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338:^
230:,
135:CO
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108:OH
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186:n
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152:2
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133:n
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127:g
125:(
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118:n
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110:(
104:n
102:2
100:H
97:n
94:C
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
