A cylinder at left with balls evenly spaced throughout the cylinder with an arrow leading to a cylinder at right with balls stac
ked near the bottom of the cylinder.
Which change of state is shown in the model?
condensation
deposition
boiling
freezing
Which change of state is shown in the model?
condensation
deposition
boiling
freezing
2 answers:
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Calcium oxide (CaO) or lime in solid form can be prepared from the decomposition of calcium hydroxide {Ca in to lime (CaO) and water (
at high temperature. The reaction is an endothermic reaction. That is heat is absorbed in this reaction process. One mole of calcium hydroxide decomposed into one mole of calcium oxide and one mole of water. The balanced reaction can be shown as-CaC
(solid) → CaO (solid) +
(liquid). The heat of the reaction is (+) 63.7 kJ/mole of CaO.