Chemistry, 04.03.2020 05:49 Leanylopez0811
When an athlete gets hurt they apply sometimes an instant cold pack to the injury. The instant cold pack works by mixing two chemicals that create a chemical reaction. What evidence is there that a chemical reaction is taking place in the cold pack?
A) change in odor
B) change in color
C) formation of gas
D) temperature change
Answers: 3
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When an athlete gets hurt they apply sometimes an instant cold pack to the injury. The instant cold...
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