Asked by #1Student

Sports teams always have instant cold packs stored in their first aid kits. Two chemicals are separated by a barrier inside the bag. Based on what you now know, explain how this cold pack gets cold without ice and what type of reaction is formed here?

Please help! I do not understand!
Answered by Ms. Sue
http://en.wikipedia.org/wiki/Instant_cold_pack
Answered by #1Student
THANK YOU!!! :D
Answered by Ms. Sue
You're welcome.
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