9.5K views · 15 reactions | Chemistry teacher Michael Ng joined Mike Sobel to explain the science behind cold packs used for aches and pains and keeping food cool. | Global Edmonton | Facebook
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9.5K views · 15 reactions | Chemistry teacher Michael Ng join…
9.5K views1 month ago
FacebookGlobal Edmonton
How do instant cold packs work? 🧐🥶 Instant cold packs work by using an endothermic reaction: you squeeze the pack to break an inner bag of water, which mixes with a solid compound like urea or ammonium nitrate. This mixing process absorbs heat from its surroundings, including the air and anything the pack touches, making it feel cold! #science #physics #technology #knowledge #howitsmade | Learning with Lyrics
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How do instant cold packs work? 🧐🥶 Instant cold packs work by using …
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