Summarize and analyze the chemistry of both instant ice pack and instant hot packs in the context of thermochemistry.  Investigate the materials within these devices, evaluate the reaction chemistry and discuss the relevant thermochemistry aspects that make them effective for cooling or heating.

Chemistry for Engineering Students
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ISBN:9781337398909
Author:Lawrence S. Brown, Tom Holme
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Chapter9: Energy And Chemistry
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Summarize and analyze the chemistry of both instant ice pack and instant hot packs in the context of thermochemistry. 

Investigate the materials within these devices, evaluate the reaction chemistry and discuss the relevant thermochemistry aspects that make them effective for cooling or heating. 

Why does the effect last for the amount of time that as it does? What alternative chemical reactions could be utilized to similar effect? 

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Instant ice packs and instant hot packs are widely used for cooling and heating, respectively, and they rely on thermochemistry principles to achieve their effects. The duration of the cooling or heating effect of these packs is determined by the rate of heat transfer between the pack and its surrounding environment, as well as the insulation provided by the materials used. In this answer, we will delve into the details of how instant ice packs and instant hot packs work, and explore the factors that contribute to their effectiveness and the duration of their effects. We will also consider alternative chemical reactions that could be utilized to achieve similar effects.

 

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