Demonstration 1:

Reactants
substances at beginning of reaction
Products
substances at the end of the reaction
Substance
(Chemical Formula)
Copper Chloride
(CuCl₂)
Water
(H₂O)
Copper Chloride
(CuCl₂)
Water
(H₂O)
Properties
Density: 2.51 g/cm³
Melting Point: 100ºC
Boiling Point: 993ºC
Density: 1 g/cm³
Melting Point: 0ºC
Boiling Point: 100ºC
Density: 2.51 g/cm³
Melting Point: 100ºC
Boiling Point: 993ºC
Density: 1 g/cm³
Melting Point: 0ºC
Boiling Point: 100ºC

Based on the patterns (similarities and differences) in the properties of the reactants and products in the table above, is this a physical or chemical reaction? Cite specific evidence from multiple properties in the data table to support your answer.
Claim

Evidence

Reasoning