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Thermal energy is released when calcium chloride dissolves in water. It is absorbed when ammonium chloride dissolves in water. Which substance will you use in your design?
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Thermal energy is released when calcium chloride dissolves in water. It is absorbed when ammonium chloride dissolves in water. Which substance will you use in your design?

User Sean Fausett
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Answer:calcium chloride

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User Paul Delhanty
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