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Changes and Ractions (Physical Change (Recognizable changes (shape, size,…
Changes and Ractions
Endothermic Reaction
absorbs energy
More energy used to break bonds in reactants
Reactants+energy --> Products
Exothermic Reaction
releases energy
More energy releases to break bonds in reactant
combustion
burning
Reactants --> Products+Energy
Physical Change
components can be separated
same substance
can reverse
Recognizable changes
shape
size
State of Matter
texture
Visual
Chemical Change
Can't reverse
Different properties
Forms New Substance
Identifiable signs
Color
Production of Gas
Formation of oder
