Chemistry, 07.11.2019 18:31, ethanyayger
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 change in state has occurred.
energy was absorbed by the water.
a chemical change has occurred releasing energy.
a physical change has occurred releasing energy.
Answers: 1
Chemistry, 22.06.2019 01:10, mistiehaas
Which of the following elements would you expect to have the lowest ionization energy value? fluorine, lithium, neon, nitrogen
Answers: 2
Chemistry, 22.06.2019 10:30, scott5315
Consider the following reactions. (note: (s) = solid, (l) = liquid, and (g) = gas.) mg(s) + ½o2(g) → mgo(s) + 146 kcal/mole h2(g) + ½o2(g) → h2o(g), δh = -57.82 kcal/mole what type of reaction is represented by the previous two examples?
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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