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
Mathematics, 21.06.2019 19:40
Neoli is a nurse who works each day from 8: 00 am to 4: 00 pm at the blood collection centre. she takes 45 minutes for her lunch break. on average, it takes neoli 15 minutes to collect each sample and record the patient's details. on average, how many patients can neoli see each day?
Answers: 3
Calcium chloride is used as an ice melt because when it is mixed with water a large quantity of heat...
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