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.
Answers: 3
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In the diagram, a building cast a 35-ft shadow and a flagpole casts an 8-ft shadow. if the the flagpole is 18 ft tall, how tall is the building? round the the nearest tenth.
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Calcium chloride is used as an ice melt because when it is mixed with water a large quantity of heat...
Mathematics, 10.07.2019 02:20
Mathematics, 10.07.2019 02:20
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Mathematics, 10.07.2019 02:20