By: Corin Burke, Sydney Dunn, Kali Pierre, and Lexy Freeman.

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Presentation transcript:

By: Corin Burke, Sydney Dunn, Kali Pierre, and Lexy Freeman

Sodium Chloride Experiment Water Temp. Before: 76 degrees F.Water Temp. After: 134 degrees F.

Baking Soda and Vinegar Experiment Water temp. before: 74 degrees FWater temp. after: 66 degrees F

Oxygen causes iron oxide, which produces rust and released thermal energy.

Conclusion Hand Warmer- Exothermic, Chemical to Heat, Released Sodium Chloride- Exothermic, Chemical to Heat, Released Baking Soda and Vinegar- Endothermic, Chemical to Heat, Absorbed