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chemical changes form
chemical changes
endothermic
new substances
physical
exothermic
endothermic reaction
physical change
chemical
some energy is released as light
chemical changes
endothermic
new substances
physical
exothermic
endothermic reaction
physical change
chemical
breaking chemical bonds means a ____________ change has occurred
chemical changes
endothermic
new substances
physical
exothermic
endothermic reaction
physical change
chemical
all changes of state are
chemical changes
endothermic
new substances
physical
exothermic
endothermic reaction
physical change
chemical
more energy needed to break bonds of reactants than is released
chemical changes
endothermic
new substances
physical
exothermic
endothermic reaction
physical change
chemical
leaves surroundings feeling cold
chemical changes
endothermic
new substances
physical
exothermic
endothermic reaction
physical change
chemical
cutting paper is an example of a
chemical changes
endothermic
new substances
physical
exothermic
endothermic reaction
physical change
chemical
forming new bonds means a _____________change has occurred
chemical changes
endothermic
new substances
physical
exothermic
endothermic reaction
physical change
chemical
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