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Sound is not made of matter because is has no ______ or __________
chemical reaction
heat, light
decomposition
less gas
exothermic
reduced
endothermic
mass/volume
A chemical reaction that transfers energy from the reactants to the surrounding is referred to as
chemical reaction
heat, light
decomposition
less gas
exothermic
reduced
endothermic
mass/volume
A substance is ______________ when it gaines electrons
chemical reaction
heat, light
decomposition
less gas
exothermic
reduced
endothermic
mass/volume
A change in color is a sign that a(n) _____is taking place
chemical reaction
heat, light
decomposition
less gas
exothermic
reduced
endothermic
mass/volume
A(n) ____________ reaction is one in which heat is transferred from the surrounding reactants
chemical reaction
heat, light
decomposition
less gas
exothermic
reduced
endothermic
mass/volume
When a reaction is at equillibrium, increasing pressure favors the reaction that produces
chemical reaction
heat, light
decomposition
less gas
exothermic
reduced
endothermic
mass/volume
In a ________ reaction the reactants are broken down into other substances
chemical reaction
heat, light
decomposition
less gas
exothermic
reduced
endothermic
mass/volume
A sign that a chemical reaction is taking place is release of energy in the form of __________ or ___________
chemical reaction
heat, light
decomposition
less gas
exothermic
reduced
endothermic
mass/volume
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