Mathematics, 19.02.2020 02:52, mariaaalopezz

Calcium chloride is used as an ice melt because when it is mixed with water a large quantity of heat is given off. This observation
suggests that
A)
a change in state has occurred.
energy was absorbed by the water.
a chemical change has occurred releasing energy.
D)
a physical change has occurred releasing energy.

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Calcium chloride is used as an ice melt because when it is mixed with water a large quantity of heat...